CURRICULUM VITAE

Date of preparation of CV 3/27/24

Personal data:

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Name:                                     Usha S. Krishnan, M.D., D.M., FAHA

Maiden Name:                       Usha Sundaram

Address:                           3959 Broadway, CH-2N

                                          Pulmonary Hypertension Comprehensive Care Center                                                                      Columbia University Medical Center

                                          New York, NY 10032

                                          Phone: (212) 305- 4436

E-mail:                                    usk1@cumc.columbia.edu

Citizenship:                            USA

01/2019- present         Professor of Pediatrics at CUMC 

07/2012 – 12/2018      Associate Professor of Pediatrics at CUMC 

09/2010–06/2012        Assistant Professor of Pediatrics at CUMC

12/2012 – present        Associate Medical Director, Pulmonary Hypertension Comprehensive Care Center

07/2021-Present          Associate Program Director, Pediatric Cardiology Fellowship Program

07/2021-Present          Faculty Advisor, APAMSA- Office of Diversity, Inclusion and Belonging

07/2022-Present          Director, Pulmonary Vein Stenosis Program

07/2022-Present     Director, BPD/Chronic Lung Disease PH program

New York Medical College (NYMC)

___________________________________________________________________________

09/2010- 09/2016    Adjunct Associate Professor of Pediatrics                                                                                                                                                      

05/2009- 08/2010    Director, Pulmonary Hypertension Center

10/2008- 08/2010    Associate Professor of Pediatrics at NYMC              

05/2001- 09/2008    Assistant Professor of Pediatrics at NYMC  

India

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9/1997- 4/2001            Division Chief and Fellowship Program Director –Pediatric Cardiology

                     Institute of Cardiovascular Diseases, Madras Medical Mission Chennai, India 

This Program was the first of its kind in India, accredited by National Board of Medical Examinations (NBME).

07/1991-06/1992     Research Officer in Cardiology

PD Hinduja National Hospital and Research Institute,          Mumbai, India               

Hospital Appointments

______________________________________________________________________________

09/2010- Present    Attending Pediatric Cardiologist     

      New York-Presbyterian, Morgan Stanley Children’s Hospital  New York,NY              

05/2001–08/2010    Attending Pediatric Cardiologist

                  Maria Fareri Children's Hospital, Westchester Medical Center   Valhalla,NY                        

08/2001–08/2010    Consultant Pediatric Cardiologist

                  Orange Regional Medical Center,   Middletown NY   

08/2001–08/2010    Consultant Pediatric Cardiologist

                  St Lukes and Cornwall Hospital,      Newburgh, NY   

08/2001 – 08/2010   Consultant Pediatric Cardiologist

                  Good Samaritan Hospital, Bon Secours Medical Center, Suffern, NY

09/1997– 04/2001   Division Chief, and Program Director, Pediatric Cardiology

                  Institute of Cardiovascular Diseases, Madras Medical Mission, Chennai, India 

Education

______________________________________________________________________________

07/1988-05/1991    Bombay University                                    Mumbai, India

                     DM (Doctor of Medicine) in Cardiology, 1991

01/1985-06/1988    National Board of Pediatrics                           New Delhi, India

                    (Dip NB)-Diplomate, Pediatrics 1989

01/1985-06/1988    Bombay University                                     Mumbai, India

                    MD (Doctor of Medicine) Pediatrics,1988

01/1985-06/1987    College of Physicians and Surgeons                 Mumbai, India

                     DCH: Diploma in Child Health 1987

07/1979-12/1984    Bombay University                                Mumbai, India

                     Bachelor of Medicine and Surgery (MBBS), Awarded 1985

07/1979-07/1983    College of Physicians and Surgeons                Mumbai India

                    Member of College of Physicians and Surgeons, (MCPS) 1984 

1994        Diplomate, American Board of Pediatrics  

1996        Diplomate, American Sub-Board of Pediatric Cardiology

Postdoctoral Training and Experience

­­­­­­­­­­­­­­­­­­­­­­­­­­­______________________________________________________________________________

07/1994–06/1997    Pediatric Cardiology Postdoctoral Fellow         

                  Dept. of Pediatrics, Columbia University                          New York, NY

07/1992–06/1994    Pediatric Resident

                  Dept. of Pediatrics, New York Medical College                  Valhalla, NY

07/1991-06/1994    Research Officer (Cardiology)

                  Department of Cardiology PD Hinduja National Hospital   Mumbai, India

07/1988–06/1991    Pediatric and Adult Cardiology Fellow

                  Department of Cardiology, TN Medical College,                 Mumbai, India

12/1984–05/1988    Pediatric (and Genetics) Resident             

`                 Department Pediatrics, BJ Wadia Children’s Hospital; King Edward                            Memorial Hospital, Seth GS Medical College      Mumbai, India

Medical Licensure/ Board Certification:   

______________________________________________________________________________

Licensure

2001- Present     New York State Medical License (active)

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Board Certification

1996. Diplomate, American Sub-Board of Pediatric Cardiology (recertified 2004, 2014, 2020-2030)

1994    Diplomate, American Board of Pediatrics (recertified 2002,2008)

Academic Service

______________________________________________________________________________

College of Physicians & Surgeons, Columbia University Medical Center.

2023-current  Executive Committee Member Academy of Clinical Excellence

2021-current  Faculty Advisor Office of Diversity, Inclusion and Belonging

2020-current  Member, USMLE Timing Task Force- Educate Subcommittee

2019-current  Member Academy of Clinical Excellence Mentorship Committee

2018-2020      Member, Executive Committee of the Faculty Council of the Faculty of Medicine. The   Executive Committee meets with the dean two weeks before to set the agenda for the  full Faculty Council meeting. Meetings take place quarterly

2012-current  Member, Columbia University Faculty Council. Attend faculty council meetings, vote on faculty appointments, promotions, amendments and other resolutions.

2017-current  Member, Educate Subcommittee- P&S Curriculum Governance. The purpose of curriculum subcommittees is to systematically monitor the components of the medical education program and to integrate the overall design, management, integration, evaluation, and enhancement of the themes and phases. The CEPC oversees the medical education program as a whole.

2017-current  Member, Programming Subcommittee- Virginia Kneeland Franz Society. Purpose: Development of new programs for women faculty. Meets monthly to discuss programming.

Department of Pediatrics, Columbia University Medical Center

2020-current: COAP- Member, Curriculum Vitae Review Committee

2010-2022    Member, Intern Interview and Selection Committee  

2012-current  Residency Pediatric Cardiology Research Mentor/Resident Liason

2012-2022    Residency/Med student -Director- Pediatric Cardiology Elective

Division of Pediatric Cardiology

2022-Current- Associate Program Director, Pediatric Cardiology Fellowship Program

2016- Current  Member  Fellowship Research Subcommittee

2016-Current  Member  Scholarly Oversight Committee for 1 fellow/year

2015-2019     Member, Pediatric Cardiology Pre-IRB Review Committee

reviewed research submission from pediatric cardiology division to give recommendations prior to IRB submission.

2014-present  Director, Clinical Competency Committee- Pediatric Cardiology Fellowship Program. 5 committee members (Cornell and Columbia) meet twice yearly to review each fellow’s milestones, competencies, and progress and provide individual one on one feedback to fellows and decide on their promotion to the next post graduate year. 

2010-present  Member, Fellowship Leadership and Fellow Interview and Selection Committee- Pediatric Cardiology. One of 4 Pediatric Cardiology faculty who review every application and interview most candidates. This committee ranks fellows for the match.

NYP/CUIMC Multidisciplinary Teams/ Program building

1. CDH Clinic (with surgery/GI/Pulm/genetics)
2. BPD service (with NICU, Pulm and nutrition)
3. PCD team (with pulm, genetics)
4. PVS team (with intervention, cross sectional imaging and hematology)

Professional Organizations and Societies

______________________________________________________________________________

Memberships and Positions

2019-present               Inducted to the Academy of Clinical Excellence at CUMC

2018-present               Inducted to the Virginia Apgar Society of Medical Educators at CUMC

2017- Present              Member Virginia Kneeland Franz Society for Women Faculty

2014-present               Member (nominated) Advisory committee NYS Pompe newborn screening program.- Monthly webinars, biannual lectures

2012-present               Fellow (nominated), Pulmonary Vascular Research Institute

2012- 2016                  Member, American Thoracic Society

2011- present             Member, Pulmonary Hypertension Association (PHA)

2004- present             Premium Professional Member, American Heart Association (AHA)

2016-present               Member (nominated), Congenital Heart Disease Committee (AHA)

2014-present               Fellow (nominated), AHA

2012-2016                   Member (nominated), Early Career and Mentorship Committee (AHA)

2003- present              Member, Pediatric Cardiology Society of Greater NY (PCGNY)

2014-2019                   Abstract reviewer for annual trainee session of PCGNY

2011- present             Member, Pediatric Pulmonary Hypertension Network (PPHNet)

Mission: To improve health, quality of care and outcomes of children with pulmonary hypertension by enhancing collaborations among centers, to develop and apply novel strategies for early recognition and initiation of treatment to reverse, prevent or slow disease progression.

• To promote and conduct collaborative activities in research, education and training that leads to effective therapies and their successful application.

Professional Development​

02/2024 Mastering Medical Teaching Course, Stanford School of Medicine, Stanford Center for Health Education Badge Certificate, Online Faculty Development with Group Debrief.

PPHNet Committees

      2023- Chair -writing group COVID and Pediatric PH

2020-current- Chair of the Membership subcommittee of the PPHNetwork

2017- PPHNet Comprehensive statement on diagnosis and management of Pulmonary Hypertension in BPD: lead author for the writing group- published in J Pediatrics.

2016-present. Bronchopulmonary disease (BPD) research initiative; Congenital Diaphragmatic Hernia (CDH) research initiative: serve on the writing group analyzing relevant BPD and CDH data from PPHNet registry (currently ~1200 subjects)   

2011-present. Website Committee: wrote page for “patients and families” http://www.pphnet.org/about-pediatric-pulmonary-hypertension/

2011-present. Echocardiography committee: helped create Echo requirements for CRF

2016-current Multiple writing groups from PPHNetwork 

2020-Member writing Group- FUEL-Echocardiography manuscript

1997- current   Founder Member, Pediatric Cardiology Society of India

1991- current   Life Member, Cardiology Society of India

2020- 2023:   DSMB Chair: Study: NYMC-204 A Pilot Study to Determine the Safety of Defibrotide in Children with High Risk Kawasaki Disease

Writing Groups:

2021-current (Vice Chair and senior Author) AHA: Pulmonary Hypertension in Congenital Heart Disease:  A Scientific Statement from the American Heart Association- published 2023

2020-current  “Impact of Udenafil on Echocardiographic Indices of Single Ventricle Size and Function in FUEL Study Participants”.

2016-current  PPHNet Hemodynamics in PH

2016-current  PPHNet BPD and PH

2016-current  PPHNet Characterization and Classification of PH

2016-current  PPHNet Building a dedicated PH program- Consensus statement

2020-current   FUEL study writing groups for imaging, exercise

Journal Reviewer

American Journal of Respiratory and Critical Care Medicine

European Respiratory Journal

Circulation

Pediatrics

Journal of Pediatrics

Journal of American College of Cardiology

American Journal of Cardiology

Journal of the American Society of Echocardiography

Chest

Annals of Pediatric Cardiology

Advances in Pulmonary Hypertension

Cardiology in Review

American Journal of Physiology: Heart and Circulatory Physiology

Cardiology in the Young

American Journal of Perinatology

Archives of Diseases of Childhood

Indian Pediatrics

Indian Journal of Pediatrics

Children

Editorial Boards:

2023: Editor in Chief- Advances in Pulmonary Hypertension.

2021 (Dec) Section Editor, Genetics of Pulmonary Hypertension issue Advances in PH

2014-present  Associate Editor, Advances in Pulmonary Hypertension Journal.

2016-present  Co-editor, Pediatric Pulmonary Hypertension edition of Advances in Pulmonary Hypertension Journal.             

2009-present -Editorial board Annals of Pediatric Cardiology

2021-current: Academic Editor (Pediatric Cardiology) – Children

Awards:

Julie Vincent Leadership in Medicine Award- 2023.     

Academy of Clinical Excellence- inducted 2019

Virginia Apgar Academy of Medical Educators-inducted 2017.

The 2017 honoree of the American Association of Physicians of Indian Origin for contribution to medical education, patient care and development of Pediatric Cardiology in India.

Awarded the Castle Krobb research grant by New York Medical College in 2002.

Second in Bombay University, DM Cardiology – India.

Second in Bombay University, MD Pediatrics – India.

National Merit Scholarship (during MD & DM) Bombay University.

National Talent Search Scholar (throughout medical graduation and post-graduation in India).

Grant Support

______________________________________________________________________________

Present Support (and other studies)

AAAS4097 PH Echo score- Site PI- multicenter international study

AAAR7567 Actigraphy in Pediatric PAH (Site PI)- FDA sponsored-      $2500 start up costs

AAAT5425 Actigraphy Junior-PAH Study (Site PI)                                     $25,000 grant funding

UG-3 Kids MODPAH study                                                                          07/01/2021-current

NIH (Overall PI- EBRosenzweig); Site PI (Usha Krishnan)

Multi Center Study.Mono Vs dual Therapy for PAH in Children

RECOVER- Pediatrics Long COVID Study.                                                07/01/21- current

UO1 HL125218-02                                                                                         09/17/2014 – 07/31/2019

NHLBI  (PI: Dr. Erika B Rosenzweig)                                                           $260,813 per year

PVDOMICS Defining the Future Fingerprints of Pulmonary Vascular Disease.

The goal of this project is to re-define the classification of pulmonary vascular disease based on deep phenotyping and using a variety of OMIC measures.

Role: Co- Investigator

5UO1HL121518-02 (Abman, PI)                                                                   05/01/15– 4/30/17

NHLBI, Univ. of Colorado, Denver (PI: Dr. Erika B Rosenzweig)               $62,641 per year

Data Fusion: A Sustainable, Scalable, Open Source Registry Advancing PVD Research

The goal of this project is to compare a variety of electronic health record tools utilized for the care of pediatric pulmonary vascular disease patients.

Role: Site, Co-Investigator

NHLBI R24. 2011- present. CHMCO 196363 (Nichols, PI)                        03/03/2012-02/28/2017

Children’s Hospital Medical Center   (PI: Dr. Erika B Rosenzweig)             $53,739 per year

National Biological Sample and Data Repository for PAH. 

The specific purpose of this study is to establish a national biorepository of biological samples and genetic data of patients with WHO Group 1 PAH

Role: Co-Investigator

FUEL study and OLE (Site PI- Dr.Marc Richmond) U10HL068270            12/16/2016–present    Sponsor:  New England Research Institute   

ClinicalTrials.gov Identifier: NCT02741115

Collaborator: National Heart, Lung, and Blood Institute (NHLBI)               Per patient: $8,530

(Enrolled-6)                                                                                                     $28,500 per site

Role: Site Co- Investigator     

Use of Actigraphy in Children with Pulmonary Hypertension                      7/2017 to present

Sponsor US FDA-U Colorado (Core center)                                                  $ 2500 per site

Role: Principal Investigator.

Actigraphy Junior Use of Actigraphy in Children (0-7years) with Pulmonary Hypertension                       7/2020 to present- IRB in process

Sponsor US FDA-U Colorado (Core center)                                                  $ 25000 per site

Role: Principal Investigator.

Past Support

Industry Funded (Novel Drug and Device Therapies, and Registries)

Intravenous Remodulin (Treprostinil) Sponsor- United Therapeutics     10/01/2015-2023

as Add-on Therapy for the Treatment of Persistent Pulmonary Hypertension of the Newborn: An Open-label, Safety, and Efficacy Study                                                                $ 36,606 per patient

Role: Principal Investigator                                                                   Yet to enroll

USPHSR                                                                                                        09/02/2016- present

United States Pulmonary Hypertension Scientific Registry                           TBD per patient

(PI: Dr. Erika B Rosenzweig)

Role: Site Co-Investigator

BEAT Trial BPS-314-d-MR-AAAP4153      09/17/15 – 9/17/20

Lung Biotechnology Inc.        (PI: Dr. Erika B Rosenzweig)                         $18,460

A Multicenter, Double-Blind, Randomized, Placebo-controlled, Phase 3 study to assess the efficacy and safety of Oral BPS-314d-MR Added on to Treprostinil, Inhaled (Tyvaso) in Subjects with Pulmonary Arterial Hypertension.

Role: Site, Co- Investigator

TOMORROW Study                                                                                      09/8/16- 2023

Actelion Pharmaceuticals.                                                                               $16,000 startup

$23,000 per patient

A study of the use of Macitentan in children ages 1-18 years with group 1 PAH

Role: Site, Principal Investigator,

ES Queri-AAAK3402  (PI: Dr. Erika B Rosenzweig)                                   01/24/2013-01/24/2018 

Eisenmenger Syndrome Quality Enhancement Research Initiative (QuERI) Actelion Pharmaceuticals US, Inc.                                                                                                                 $40,500 ($2700 per capita)      

ES Queri Biomarkers (Opotowski, PI)                                                           08/03/2015-08/03/2020

Boston Children’s Hospital    (PI: Dr. Erika B Rosenzweig)                         $250 per capita

An Investigator Initiated Study of Biomarkers Ancillary to the Eisenmenger Quality Enhancement Research Initiative (QuERI) The goal of this project is to study biomarker profiles in Eisenmenger patients.          

Role: Site, Co- Investigator

SYMPHONY                                                                                     02/11/14-02/11/19

Actelion          (PI: Dr. Erika B Rosenzweig)                                                 $35,202

A Multi-Center, Open-Label, Single-Arm, Phase 3B Study of Macitentan in Patients with PAH to Psychometrically Validate the PAH-SYMPACT Instrument.

Role: Site, Co- Investigator

SPHERE                                                                                                         09/01/16 - present

Actelion          (PI: Dr. Erika B Rosenzweig)                                                 TBD   

Selexipag: The Users Drug Registry

Role: Site, Co- Investigator

Site, Co-Investigator

AMB114588-EXT                                                                                          05/04/12-05/14/17

GlaxoSmithKline (PI: Dr. Erika B Rosenzweig)                                            $86,672

Open Label, Long-Term Extension Study for Treatment of Pulmonary Arterial Hypertension in Pediatric Patients Age 8 - 18 Years Who Have Participated in AMB 1122529 and in Whom Continued Treatment With Ambrisentan is Desired  The primary purpose of this pediatric study is to provide clinically relevant information on the long term safety of ambrisentan in children with most common causes of PAH in this age group.

Role: Co-investigator

Eli- Lilly (PI: Dr. Erika B Rosenzweig)                                                         03/12/14-03/12/19      $11,145 (per patient capita)

Safety Study of the PDE-5 Inhibitor tadalafil in pediatric patients with PAH.

The primary objective of Period 1 is to evaluate the efficacy of tadalafil compared with placebo in improving 6MW distance from baseline to Week 24

SERAPHIN OL                                                                                              02/3/2009-6/30/16

Actelion          (PI: Dr. Erika B Rosenzweig)                                                 $61,078

Study with an ERA in Pulmonary Arterial Hypertension to Improve Clinical Outcome (Open Label)To assess long-term safety and tolerability of ACT-064992 in patients with symptomatic PAH.

Role: Site, Co- Investigator

CUNTHER TDE PH 304                                                                               09/14/16-06/30/16

United Therapeutics    (PI: Dr. Erika B Rosenzweig)                                     $60,104

A Pharmacokinetic Substudy of Subjects Transitioning From Twice Daily to Three Times Daily Dosing of UT-15 SR (Treprostinil Diethanolamine) in the TDE-PH-304 Protocol

To assess the pharmacokinetics of BID and TID dosing in subjects transitioning o this dosage regimen in study TDE-PH-304

Role: Site, Co- Investigator

A1481324                                                                                                       02/02/16-07/30/16

Pfizer   (PI: Dr. Erika B Rosenzweig)                                                             $12,475

A Multinational, Multicenter Study to Assess the Effects of Oral Sildenafil on Mortality in Adults with PAH. The primary purpose of this blinded study in adult patients with PAH is to evaluate the relative effects of sildenafil on mortality when administered at the three doses (80mg, 20mg, of 5 mg all three times per day).

Role: Site, Co- Investigator

PATENT-1                                                                                                      01/05/11-01/05/2016 

Bayer   (PI: Dr. Erika B Rosenzweig)                                                             $16,070

Randomized, double-blind, placebo-controlled, multicenter, multi-national study to evaluate the efficacy and safety of oral BAY 63 2521 (1 mg, 1.5 mg, 2 mg, or 2.5mg tid) in patients with symptomatic Pulmonary Arterial Hypertension

Role: Site, Co- Investigator

AMB 112529                                                                                                  05/13/2011-05/13/2016

GlaxoSmithKline (PI: Dr. Erika B Rosenzweig)                                            $72,498

A Randomized, Open Label Study Comparing Safety & Efficacy Paramaters for High & Low Dose of Ambrisentan for the treatment of PAH in pediatric patients aged 8 years up to 18 years. The primary purpose of this pediatric study is to provide clinically relevant information on the safety and pharmacokinetic profile of ambrisentan in children

Role: Site, Co- Investigator

FUTURE 3 (AC-052-373)                                                                              2011-2015

Actelion          (PI: Dr. Erika B Rosenzweig)                                                 $15,889

An open-label, prospective multicenter study to assess the pharmacokinetics, tolerability, safety and efficacy of the pediatric formulation of bosentan two versus three times a day in children with pulmonary arterial hypertension.

Role: Site, Co- Investigator

GRIPHON                                                                                                      10/27/2010-10/27/2015

Actelion (PI: Dr. Erika B Rosenzweig)                                                          $86,292

A Multicenter, Double-Blind Placebo Controlled Phase 3 Study To Determine the Efficacy and Safety of ACT-293987 in patients with PAH (selexipag)  To demonstrate the effect of ACT-293987 on time to first clinical worsening in patients with PAH.

Role: Site, Co- Investigator

GRIPHON OL                                                                                               10/27/2010-10/27/2015        

Actelion (PI: Dr. Erika B Rosenzweig)                                              $11,295

A Long-Term Single Arm Open-Label Study to Assess the Safety and tolerability of Act-293987 in Patients with PAH To assess long-term safety and tolerability of selexipag in patients with PAH.

Role: Site, Co- Investigator

AMBITION (GSUS3000140)                                                                        08/1/10-06/30/2015                                                             Gilead Science (PI: Dr. Erika B Rosenzweig)                                                $53,086

A Randomized, Multicenter Study of First Line Ambrisentan and Tadalafil Combination Therapy in Subjects with Pulmonary Arterial Hypertension.

Role: Site, Co- Investigator

CUNTHER CU11-3196                                                                                 03/11/2011 – 3/10/2014 

United Therapeutics (PI: Dr. Erika B Rosenzweig)                                       $33,416

A Post-marketing Observational Study to Assess Respiratory Tract Events in Pulmonary Arterial Hypertension Patients Treated with Tyvaso (RIN-PH-403)   

Role: Site, Co- Investigator

PROSPECT                                                                                                    04/01/11-12/30/15                  Actelion (PI: Dr. Erika B Rosenzweig)                                                          $20,000

PROSPECT trial to evaluate Intravenous Veletri in PAH.                    

Role: Site, Co- Investigator

GS-US-236-0101                                                                                            02/01/09-01/31/12 

Gilead Science (PI: Dr. Erika B Rosenzweig)                                                $271, 458       

A Phase 2, randomized, double-blinded, placebo-controlled, multicenter, dose-ranging study of Cicletanine in subjects with Pulmonary Arterial Hypertension.                                                                            

Role: Site, Co- Investigator

SERAPHIN                                                                                                    02/03/09-08/31/14

Actelion (PI: Dr. Erika B Rosenzweig)                                                          $75,796

Seraphin trial of a novel ERA (macitentan) for the treatment of PAH.

Role: Site, Co- Investigator

REVEAL                                                                                                       10/12/06-04/30/14

Cotherix/Actelion (PI: Dr. Erika B Rosenzweig)                                           $315,813

Registry to Evaluate Early and Long-term PAH disease management (REVEAL).

Role: Site, Co- Investigator

HD057036.R01                                                                                               09/29/09-06/30/13

NIH (PI: Wendy Chung, MD PhD)                                                     

Identification of Novel Genes for Congenital Diaphragmatic Hernia by Characterizing Genetic Copy Number Alterations                                                                                          $512,270/year

Role: Site Co-Investigator (for Cardiology)

United Therapeutics (PI-Erika B Rosenzweig, MD)                                      2009-2012

Oral treprostinil in PAH.                                                                                $67,428                      

Role: Site, Co Investigator

Educational Contributions

__________________________________________________________________________

• Direct Teaching/ Precepting/ Supervising

Columbia University Medical Center

Medical Students

Lectures for Pediatric Clerkship students (Once every 4-6 weeks) This lecture covers cardiac physiology, heart murmurs and approach to lesions from the pediatrician’s standpoint. Each clerkship rotation includes about 30 students.

Lecture on Pulmonary Hypertension for second year medical students (2017): Class of 160 students.

Preceptor, Cardiology Clinic 5 fellows per week, and rotating residents and students.

Residents/Fellows

• Teaching/ Mentor (2001- present). I am in charge of the residents on Cardiology elective and am responsible for supervision, teaching and evaluation. In addition, I also mentor several residents for their research projects (described later).
• Noon conference and board review lectures for Pediatric residents.
• Periodic lectures on Pulmonary Hypertension Management for the PICU lecture series.
• Pediatric Cardiology lectures for Cardiology, Neonatology and Pulmonary Fellows (also at Cornell).
• Coordinate and guide academic presentations by residents on Cardiology elective.

New York Medical College

 Medical Students

• Preceptor and small group mentor Foundations in Clinical Medicine (2001 –2010)
• Mentor 2-4^th year Medical students on Pediatrics elective 2001-2010.

• Advising and Mentorship

Columbia University Medical Center

2021-current  Faculty Advisor Office of Diversity and Multicultural Affairs

2020-present   Mentor- Virginia APGAR Academy Membership Application process

2014-2022  Director, Pediatric Cardiology Medical Student and Resident elective. Meet with each student weekly to review their progress and provide feedback. Also mentor senior fellows who serve as assistant directors for the elective. Usually 2-3 students and 1-2 residents are on elective each month.

2012-present  Member, Scholarly Oversight Committees- Pediatric Cardiology. Review scholarly progress of 1-2 fellows twice yearly and provide feedback and suggestions.

2012-present  Member, Fellowship Research Sub Committee- Pediatric Cardiology. Meet monthly to discuss individual fellows’ progress in their research.

2012-2014       Co-director, Pediatric Cardiology Medical Student and resident elective

2010-present  Preceptor, Pediatric Cardiology Fellows Clinic. One day a week mentoring 5-6

Fellows, 8-12 patients during each session.

New York Medical College

Preceptor/ Mentor for 1-2 residents per year from the residency program at Westchester Medical Center.

Projects/ Mentees:

• Educational Administration and Leadership

Columbia University Medical Center

2011-present   Faculty: Foundations in Clinical Medicine I, II, III; FCM- Mechanisms and Practice  Meet weekly with 16-17 medical students and discuss cultural competency, ethics, clinical exam, end of life discussions, substance abuse, medical statistics, insurance, systems and practice. Observe students interviewing standardized patients and read and grade student essays. This also includes portfolio sessions; students write to a prompt and present their writings to the group to help them to become mindful and humanistic physicians.

2011-2024: The Major Clinical Year (MCY) Preceptor for 3^rd year. Weekly meetings with 18

students and 3-4 student leaders/ avatars to discuss their ongoing clinical rotations and discuss student writings in response to a prompt relevant to their experience.

2015-present  Ready for Residency (R4R) Preceptor for 4^th year. Individual meetings with 12-16

students to discuss R4R projects which reflect on their medical school years and their growth into future physicians.

2019-present  Facilitate Personal statement workshops for Medical students

2020-present  Facilitate Anti Racism workshops with medical students

2020-present  CSSC – IPE reflections preceptor/ Mentor

2020 Sept    Narrative Medicine- Facilitator SSGA session for new Masters Students

India

1999-2000       Developed curriculum and conducted the first National Board accredited examination for Pediatric Cardiology in India.

1998-2001       Program Director- Pediatric Cardiology Fellowship training in Madras, India- spearheaded similar fellowships throughout India.

• Instructional/ Educational Materials
  • Invited Faculty – Web-based live interactive lectures for international pediatric cardiology fellows (simultaneously attended in classrooms internationally). (1-2/year)
  • Invited Faculty- PHA online university- lecture/Webinar on PH associated with CHD.
  • Invited Faculty- Pompe Disease and the Heart- NY State Consortium on Pompe Disease. Live Lecture and Webinar 2014
  • Faculty- K07 group at Columbia University Medical Center. This is a faculty group formed by preceptors for the Foundations in Clinical Medicine course and headed by Dr. Rita Charon. The original purpose of the group was peer mentorship for the FCM faculty and to discuss curriculum, student feedback and student coaching. This has expanded its scope into Narrative medicine, establishment of a student portfolio for reflective writing and also into some qualitative research groups, leading to presentations at education meetings and publications.
  • Faculty Fellow Bootcamp, each year since 2017
  • Faculty Pediatric Cardiology Board Review since 2017
  • Organized and conducted annual CME sessions at Orange and Rockland counties for Pediatricians.
  • Organized a 2 day Pulmonary Hypertension Seminar at New York Medical College in March 2009.
  • Organized multiple national and state level meetings in Pediatric Cardiology/ Cardiac surgery; Echocardiography; Cardiac-Pathology/ Morphology sessions 1997-2001
  • Educator, and Curriculum Development Educational CME courses on Pulmonary Hypertension- Develop curriculum and lecture-Grand Rounds around the country on Pediatric Pulmonary Hypertension. CME provided by University of Nebraska for Simply Speaking Lecture Series. 2011- present

• Community Service

2020-2021- Moderated multiple virtual Medical sessions for the community in Rockland County, covering various topics including the COVID Pandemic; Primary Care; Cardiac Disorders

2014-2016- Secretary; 2016-2018 Vice President; AAPI of Rockland, NY

2018-2022 President of the American Association of Physicians of Indian Origin (AAPI) Rockland. AAPI is the largest medical association in the US after the AMA. Responsible for physician education activities, Conduct CME programs and conduct free screening health fairs, Fund raising for local charities in the community at Rockland County, NY

2008-2018 Executive Board Member of the Science Invention and Technology Committee responsible for conducts annual Science Research Competition in Rockland County, NY for Students from Grade 5-12.

2012-2018       Responsible for conducting Career Fair at the Annual S/I/T Fair for High school students in Rockland County.

2007-2014       Responsible for setting up annual Science Olympiads at the middle and High school levels, Math Counts competitions at South Orangetown School District, mentoring students participating.

2015-2017       Secretary of American Association of Physicians of Indian origin- Rockland Chapter- responsible for organizing monthly educational CME/ sponsored activities and biannual free health screening for residents of Rockland/ Westchester counties.

                        2017 Vice President

2006-present  Executive committee member/volunteer for the Ekal Vidyalaya- a charitable foundation aiming to provide education and literacy in remote tribal areas in India.

Clinical Activities

___________________________________________________________________________________

• Practice Activities, New York-Presbyterian Hospital Morgan Stanley Childrens Hospital, CUMC

09/2010- present Pediatric Cardiac ICU/NICU Attending, (6 weeks/year)

Work with ICU, NICU team and Pediatric Cardiology Fellows, Residents and staff to manage pediatric cardiac service including post-operative management..

Outpatient clinic 3 days a week, including precepting fellows clinic every Thursday.

09/2010- present: Pediatric Pulmonary Hypertension Inpatient Service Attending,

Round on inpatient pediatric PH service along with cards/PH fellow throughout the year-all working days and many weekend days depending on inpatient acuity. Available to pediatric cardiology fellows for PH patient related questions throughout the year.

• Clinical Administration and Leadership

2010-present Associate Director, Pulmonary Hypertension Comprehensive Care Center

Care for >500 adult and pediatric patients with pulmonary hypertension in conjunction with a comprehensive medical-surgical team. First U.S. center accredited by Pulmonary Hypertension Association (PHA) as a Pulmonary Hypertension Center of Comprehensive Care for Adult and Pediatric Pulmonary Hypertension.

Outpatients are seen 3 days a week, about 12-14 outpatients each day seen between 2 physicians.

• Echocardiography Reader

2010-present

Read and interpret inpatient and outpatient echocardiographic studies

One day a week Average ~16 studies/day.

PUBLICATIONS

* Senior/ corresponding Author; ** (Sundaram, U: Maiden name)

Mentees are underlined

_____________________________________________________________________________

ORIGINAL PEER REVIEWED PAPERS

1. Avitabile CM, Krishnan US, Yung D, Handler SS, Varghese N, Bates A, Fineman J, Sullivan R, Friere G, Austin E, Mullen MP, Pereira C, Christensen EJ, Yenokyan G, Collaco JM, Abman SH, Romer L, Dunbar Ivy D, Rosenzweig EB. Actigraphy methodology in the Kids Mod PAH trial: Physical activity as a functional endpoint in pediatric clinical trials. Pulm Circ. 2024 Mar 8;14(1):e12339. doi: 10.1002/pul2.12339. PMID: 38464344; PMCID: PMC10923039.
2. Patten W, Krishnan U: Group 2 PH in Children. Advances in Pulmonary Hypertension. December 2023.
3. Linder AN, Hsia J, Krishnan SV, Bacha EA, Crook S, Rosenzweig EB, Krishnan US . Management of Systemic to Pulmonary Shunts and Elevated Pulmonary Vascular Resistance. ERJ Open Research 2023; DOI: 10.1183/23120541.00271-2023
4. Kailas M, Layton AM, Pesce M, Liberman L, Starc TJ, Fremed MA, Garofano R, Rosenzweig EB, Krishnan US. Exercise-Induced Electrocardiography Changes in Pulmonary Arterial Hypertension. Am J Cardiol. 2023 Oct 9;208:60-64. doi: 10.1016/j.amjcard.2023.09.014. Epub ahead of print. PMID: 37820548.
5. Rosenzweig E, Villeda GAV, Crook S, Koli F, Rosenzweig EB, Krishnan US. Efficacy of a Commercial Physical Activity Monitor in Longitudinal Tracking of Patients With Pulmonary Hypertension: A Pilot Study. Tex Heart Inst J. 2023 Oct 17;50(5):e227866. doi: 10.14503/THIJ-22-7866. PMID: 37853911.
6. DiLorenzo MP, Farooqi KM, Shah AM, Channing A, Harrington JK, Connors TJ, Martirosyan K, Krishnan US, Ferris A, Weller RJ, Farber DL, Milner JD, Gorelik M, Rosenzweig EB, Anderson BR; Columbia University Interdisciplinary Multisystem Inflammatory Syndrome in Children Follow-up Program and the Columbia University Irving Medical Center Pediatric/Adult Congenital Heart Research Collaborative. Ventricular function and tissue characterization by cardiac magnetic resonance imaging following hospitalization for multisystem inflammatory syndrome in children: a prospective study. Pediatr Radiol. 2023 Mar;53(3):394-403. doi: 10.1007/s00247-022-05521-5. Epub 2022 Oct 18. PMID: 36255453; PMCID: PMC9579624.
7. Collaco JM, Abman SH, Austin ED, Avitabile CM, Bates A, Fineman JR, Freire GA, Handler SS, Ivy DD, Krishnan US, Mullen MP, Varghese NP, Yung D, Nies MK, Everett AD, Zimmerman KO, Simmons W, Chakraborty H, Yenokyan G, Newell-Sturdivant A, Christensen E, Eyzaguirre LM, Hanley DF, Rosenzweig EB, Romer LH. Kids Mod PAH trial: A multicenter trial comparing mono- versus duo-therapy for initial treatment of pediatric pulmonary hypertension. Pulm Circ. 2023 Oct 31;13(4):e12305. doi: 10.1002/pul2.12305. PMID: 37915400; PMCID: PMC10617301.
8. Avitabile CM, Yung D, Handler S, Hopper RK, Fineman J, Freire G, Varghese N, Mullen MP, Krishnan US, Austin E, Silveira L, Ivy DD. Measurement of Physical Activity by Actigraphy in Infants and Young Children with Pulmonary Arterial Hypertension. J Pediatr. 2023 Jul 28;262:113639. doi: 10.1016/j.jpeds.2023.113639. Epub ahead of print. PMID: 37517653.
9. Fujita KT, DiLorenzo MP, Krishnan US, Turner ME, Barry OM, Torres AJ, Bacha EA, Kalfa D, Crystal MA. Outcomes and Risk Factors of Interventions for Pediatric Post-operative Pulmonary Vein Stenosis. Pediatr Cardiol. 2023 Dec;44(8):1778-1787. doi: 10.1007/s00246-023-03214-w. Epub 2023 Jul 9. PMID: 37422845..
10. Jone PN, Ivy DD, Hauck A, Karamlou T, Truong U, Coleman RD, Sandoval JP, Del Cerro Marín MJ, Eghtesady P, Tillman K, Krishnan US. Pulmonary Hypertension in Congenital Heart Disease: A Scientific Statement From the American Heart Association. Circ Heart Fail. 2023 Jul;16(7):e00080. doi: 10.1161/HHF.0000000000000080. Epub 2023 Jun 26. PMID: 37357777..
11. Chou FL, Donovan DJ, Weller RJ, Fremed MA, Glickstein JS, Krishnan US. Disparities in resource utilisation by families of children with cardiac conditions. Cardiol Young. 2024 Feb;34(2):325-333. doi: 10.1017/S1047951123001634. Epub 2023 Jul 7. PMID: 37415565.
12. Stewart LA, Hernan RR, Mardy C, Hahn E, Chung WK, Bacha EA, Krishnamurthy G, Duron VP, Krishnan US. Congenital Heart Disease With Congenital Diaphragmatic Hernia: Surgical Decision Making and Outcomes. J Pediatr. 2023 May 31:113530. doi: 10.1016/j.jpeds.2023.113530. Epub ahead of print. PMID: 37268035.
13. Desai K, Di Lorenzo M, Zuckerman WA, Emeruwa E, Krishnan US. Safety and Efficacy of Sildenafil for Group 2 Pulmonary Hypertension in Left Heart Failure. Children 2023, 10, 270. https:// doi.org/10.3390/children10020270
14. Di Maria MV, Goldberg DJ, Zak V, Hu C, Lubert AM, Dragulescu A, Mackie AS, McCrary A, Weingarten A, Parthiban A, Goot B, Goldstein BH, Taylor C, Lindblade C, Petit CJ, Spurney C, Harrild DM, Urbina EM, Schuchardt E, Beom Kim G, Kyoung Yoon J, Colombo JN, Files MD, Schoessling M, Ermis P, Wong PC, Garg R, Swanson SK, Menon SC, Srivastava S, Thorsson T, Johnson TR, Krishnan US, Paridon SM, Frommelt PC; Pediatric Heart Network. Impact of Udenafil on Echocardiographic Indices of Single Ventricle Size and Function in FUEL Study Participants. Circ Cardiovasc Imaging. 2022 Nov;15(11):e013676. doi: 10.1161/CIRCIMAGING .121.013676. Epub 2022 Nov 15. PMID: 36378780; PMCID: PMC9674374.
15. Woo JL, DiLorenzo MP, Rosenzweig E, Pasumarti N, Villeda GV, Berman-Rosenzweig E, Krishnan US. Correlation between right ventricular echocardiography measurements and functional capacity in patients with pulmonary arterial hypertension. Tex Heart Inst J. 2022;49(6):e217719. doi:10.14503/THIJ-21- 7719. PMID: 36350291.
16. Linder AN, Hsia J, Krishnan SV, Rosenzweig EB, Krishnan US. Vasoreactive phenotype in children with pulmonary arterial hypertension and syncope. ERJ Open Res. 2022 Oct 10;8(4):00223-2022. doi: 10.1183/23120541.00223-2022. PMID: 36225331; PMCID: PMC9549342.
17. Douwes JM, Zijlstra WMH, Rosenzweig EB, Ploegstra MJ, Krishnan US, Haarman MG, Roofthooft MTR, Postmus D, Hillege HL, Ivy DD, Berger RMF. Parenteral Prostanoids in Pediatric Pulmonary Arterial Hypertension: Start Early, Dose High, Combine. Ann Am Thorac Soc. 2022 Feb;19(2):227-237. doi: 10.1513/AnnalsATS.202012-1563OC. PMID: 34181866; PMCID: PMC8867364.
18. Duchon J, Farkouh-Karoleski C, Bailey DD, Krishnan US. Association between pulmonary vein stenosis and necrotizing enterocolitis or gastrointestinal pathology: A case-control study. Ann Pediatr Cardiol. 2022 Jan-Feb;15(1):13-19. doi: 10.4103/apc.apc_210_21. Epub 2022 Jun 14. PMID: 35847391; PMCID: PMC9280108.
19. Zenilman A, Fan W, Hernan R, Wynn J, Abramov A, Farkouh-Karoleski C, Aspelund G, Krishnan US, Khlevner J, Azarow K, Crombleholme T, Cusick R, Chung D, Danko ME, Potoka D, Lim FY, McCulley DJ, Mychaliska GB, Schindel D, Soffer S, Wagner AJ, Warner BW, Chung WK, Duron VP. Being small for gestational age is not an independent risk factor for mortality in neonates with congenital diaphragmatic hernia: a multicenter study. J Perinatol. 2022 Sep;42(9):1183-1188. doi: 10.1038/s41372-022-01326-4. Epub 2022 Apr 21. PMID: 35449444.
20. Rosenzweig EB, Bates A, Mullen MP, Abman SH, Austin ED, Everett A, Fineman J, Feinstein J, Hopper RK, Kinsella JP, Krishnan US, Lu M, Mandl KD, Raj JU, Varghese N, Yung D, Handler SS, Sleeper LA. Cardiac Catheterization and Hemodynamics in a Multicenter Cohort of Children with Pulmonary Hypertension. Ann Am Thorac Soc. 2022 Jun;19(6):1000-1012. doi: 10.1513/AnnalsATS.202108-998OC. PMID: 35049414; PMCID: PMC9169121.
21. Handler SS, Varghese NP, Rosenzweig EB, Yung D, Krishnan U, Whalen E, Bates A, Avitabile CM, Jackson EO, Hirsch R, Fineman J, Abman SH; Pediatric Pulmonary Hypertension Network (PPHNet). Building a dedicated pediatric pulmonary hypertension program: A consensus statement from the pediatric pulmonary hypertension network. Pulm Circ. 2022 Feb 15;12(1):e12031. doi: 10.1002/pul2.12031. PMID: 35506071; PMCID: PMC9052968.
22. DiLorenzo MP, Farooqi KM, Shah AM, Channing A, Harrington JK, Connors TJ, Martirosyan K, Krishnan US, Ferris A, Weller RJ, Farber DL, Milner JD, Gorelik M, Rosenzweig EB, Anderson BR; Columbia University Interdisciplinary Multisystem Inflammatory Syndrome in Children Follow-up Program and the Columbia University Irving Medical Center Pediatric/Adult Congenital Heart Research Collaborative. Ventricular function and tissue characterization by cardiac magnetic resonance imaging following hospitalization for multisystem inflammatory syndrome in children: a prospective study. Pediatr Radiol. 2022 Oct 18:1–10. doi: 10.1007/s00247-022-05521-5. Epub ahead of print. PMID: 36255453; PMCID: PMC9579624.
23. Stewart LA, Klein-Cloud R, Gerall C, Fan W, Price J, Hernan RR, Krishnan US, Cheung EW, Middlesworth W, Chaves DV, Miller R, Simpson LL, Chung WK, Duron VP. Extracorporeal membrane oxygenation (ECMO) and its complications in newborns with congenital diaphragmatic hernia. J Pediatr Surg. 2022 Jan 7:S0022-3468(22)00006-9. doi: 10.1016/j.jpedsurg.2021.12.028. Epub ahead of print. PMID: 35065805.
24. Gerall CD, Stewart LA, Price J, Kabagambe S, Sferra SR, Schmaedick MJ, Hernan R, Khlevner J, Krishnan US, De A, Aspelund G, Duron VP. Long-term outcomes of congenital diaphragmatic hernia: A single institution experience. J Pediatr Surg. 2022 Apr;57(4):563-569. doi: 10.1016/j.jpedsurg.2021.06.007. Epub 2021 Jun 25. PMID: 34274078.
25. Zenilman A, Fan W, Hernan R, Wynn J, Abramov A, Farkouh-Karoleski C, Aspelund G, Krishnan US, Khlevner J, Azarow K, Crombleholme T, Cusick R, Chung D, Danko ME, Potoka D, Lim FY, McCulley DJ, Mychaliska GB, Schindel D, Soffer S, Wagner AJ, Warner BW, Chung WK, Duron VP. Being small for gestational age is not an independent risk factor for mortality in neonates with congenital diaphragmatic hernia: a multicenter study. J Perinatol. 2022 Apr 21. doi: 10.1038/s41372-022-01326-4. Epub ahead of print. PMID: 35449444.
26. Issapour A, Frank B, Crook S, Hite MD, Dorn ML, Rosenzweig EB, Ivy DD, Krishnan US. Safety and tolerability of combination therapy with ambrisentan and tadalafil for the treatment of pulmonary arterial hypertension in children: Real-world experience. Pediatr Pulmonol. 2021 Dec 17. doi: 10.1002/ppul.25796. Epub ahead of print. PMID: 34921523.
27. Qiao L, Xu L, Yu L, Wynn J, Hernan R, Zhou X, Farkouh-Karoleski C, Krishnan US, Khlevner J, De A, Zygmunt A, Crombleholme T, Lim FY, Needelman H, Cusick RA, Mychaliska GB, Warner BW, Wagner AJ, Danko ME, Chung D, Potoka D, Kosiński P, McCulley DJ, Elfiky M, Azarow K, Fialkowski E, Schindel D, Soffer SZ, Lyon JB, Zalieckas JM, Vardarajan BN, Aspelund G, Duron VP, High FA, Sun X, Donahoe PK, Shen Y, Chung WK. Rare and de novo variants in 827 congenital diaphragmatic hernia probands implicate LONP1 as candidate risk gene. Am J Hum Genet. 2021 Oct 7;108(10):1964-1980. doi: 10.1016/j.ajhg.2021.08.011. Epub 2021 Sep 20. PMID: 34547244; PMCID: PMC8546037.
28. Farooqi KM, Chan A, Weller RJ, Mi J, Jiang P, Abrahams E, Ferris A, Krishnan US, Pasumarti N, Suh S, Shah AM, DiLorenzo MP, Zachariah P, Milner JD, Rosenzweig EB, Gorelik M, Anderson BR; Columbia University Interdisciplinary MIS-C Follow-up Program and the CUIMC Pediatric/Adult Congenital Heart Research Collaborative. Longitudinal Outcomes for Multisystem Inflammatory Syndrome in Children. Pediatrics. 2021 Aug;148(2):e2021051155. doi: 10.1542/peds.2021-051155. Epub 2021 Jul 15. PMID: 34266903.
29. Douwes JM, Zijlstra WM, Rosenzweig EB, Ploegstra MJ, Krishnan US, Haarman MG, Roofthooft MTR, Postmus D, Hillege HL, Ivy DD, Berger RMF. Parenteral Prostanoids in Pediatric Pulmonary Arterial Hypertension: Start Early, Dose High, Combine. Ann Am Thorac Soc. 2021 Jun 28. doi: 10.1513/AnnalsATS.202012-1563OC. Epub ahead of print. PMID: 34181866.
30. Abman SH, Mullen MP, Sleeper LA, Austin ED, Rosenzweig EB, Kinsella JP, Ivy D, Hopper RK, Usha Raj J, Fineman J, Keller RL, Bates A, Krishnan US, Avitabile CM, Davidson A, Natter MD, Mandl KD; Pediatric Pulmonary Hypertension Network. Characterization of Pediatric Pulmonary Hypertensive Vascular Disease from the PPHNet Registry. Eur Respir J. 2021 Jun 17:2003337. doi: 10.1183/13993003.03337-2020. Epub ahead of print. PMID: 34140292.
31. Zhu N, Swietlik EM, Welch CL, Pauciulo MW, Hagen JJ, Zhou X, Guo Y, Karten J, Pandya D, Tilly T, Lutz KA, Martin JM, Treacy CM, Rosenzweig EB, Krishnan U, Coleman AW, Gonzaga-Jauregui C, Lawrie A, Trembath RC, Wilkins MR; Regeneron Genetics Center; PAH Biobank Enrolling Centers’ Investigators; NIHR BioResource for Translational Research - Rare Diseases; National Cohort Study of Idiopathic and Heritable PAH, Morrell NW, Shen Y, Gräf S, Nichols WC, Chung WK. Rare variant analysis of 4241 pulmonary arterial hypertension cases from an international consortium implicates FBLN2, PDGFD, and rare de novo variants in PAH. Genome Med. 2021 May 10;13(1):80. doi: 10.1186/s13073-021-00891-1. 
32. Cunningham H, Taylor DS, Desai UA, Ender KL, Glickstein J, Krishnan US, Richards BF, Charon R, Balmer DF. Reading the Self: Medical Students' Experience of Reflecting on Their Writing Over Time. Acad Med. 2020 Nov 3. doi: 10.1097/ACM.0000000000003814. Epub PMID: 33149084.
33. Lewis MJ, Anderson BR, Fremed N, Argenio M, Krishnan US---Starc TJ. The Impact of Coronavirus disease 2019 (COVID-19) on Patients with Congenital Heart Disease across the Lifespan: The Experience of an Academic Congenital Heart Disease Center in New York City. J Am Heart Assoc. 2020 Dec;9(23):e017580. doi: 10.1161/JAHA.120.017580. Epub 2020 PMID 33196343 PMCID: PMC7763774 DOI: 10.1161/JAHA.120.017580
34. Salavitabar A, Krishnan US, Turner ME, Vincent JA, Torres AJ, Crystal MA. Safety and Outcomes of Transcatheter Closure of Patent Ductus Arteriosus in Children With Pulmonary Artery Hypertension. Tex Heart Inst J. 2020 Aug 1;47(4):250-257. doi: 10.14503/THIJ-19-6982. PMID: 33472220; PMCID: PMC7819433.
35. Qiao, L., Wynn, J., Yu, L.  Hernan R—Krishnan US, Chung WK. Likely damaging de novo variants in congenital diaphragmatic hernia patients are associated with worse clinical outcomes. Genet Med (2020). https://doi.org/10.1038/s41436-020-0908-0
36. Nees SN, Rosenzweig EB, Cohen JL, Valencia Villeda GA, Krishnan US. Targeted Therapy for Pulmonary Hypertension in Premature Infants. Children (Basel). 2020;7(8):97. Published 2020 Aug 15. doi:10.3390/children7080097
37. Fremed MA, Lytrivi ID, Liberman L--- Krishnan U et al. Cardiac workup and monitoring in hospitalised children with COVID- 19. Cardiol Young. 2020;30(7):907-910. doi:10.1017/S1047951120001778
38. Srinivasan R, Sambatakos P, Lane M, Krishnan U, Weller, R, Flyer J, Robinson, K, Glickstein J. Successful increase of outpatient clinic continuity in a fellowship quality improvement project. Pediatric Quality and Safety. May/June 2020 - Volume 5 - Issue 3 - p e306
39. Donovan D, Macciola D, Paul EA, Rama G, Krishnan U, Starc TJ, Weller RJ, Glickstein JG. Design and implementation of a patient passport in a pediatric Cardiology Clinic. Progress in Pediatric Cardiology. https://doi.org/10.1016/j.ppedcard.2020.101208
40. Lakshminrusimha S, Kinsella JP, Krishnan US, Van Meurs K, Edwards EM, Bhatt DR, Chandrasekharan P, Oei JL, Manja V, Ramanathan R, Abman SH. Just say no to iNO in Preterms, Really? J Pediatr. 2019 Dec 3. pii: S0022-3476(19)31474-X. doi: 10.1016/j.jpeds.2019.10.063. [Epub ahead of print]
41. Abramov A, Fan W, Hernan R, Zenilman AL, Wynn J, Aspelund G, Khlevner J, Krishnan U, Lim FY, Mychaliska GB, Warner BW, Cusick R, Crombleholme T, Chung D, Danko ME, Wagner AJ, Azarow K, Schindel D, Potoka D, Soffer S, Fisher J, McCulley D, Farkouh-Karoleski C, Chung WK, Duron V. Comparative Outcomes of Right Versus Left Congenital Diaphragmatic Hernia: A Multicenter Analysis. J Pediatr Surg. 2020, 55:33-38.  
42. Ong MS, Abman S, Austin ED, Feinstein JA, Hopper RK, Krishnan US, Mullen MP, Natter MD, Raj JU, Rosenzweig EB, Mandl KD; Pediatric Pulmonary Hypertension Network and National Heart, Lung, and Blood Institute Pediatric Pulmonary Vascular Disease Outcomes Bioinformatics Clinical Coordinating Center Investigators. Racial and Ethnic Differences in Pediatric Pulmonary Hypertension: An Analysis of the Pediatric Pulmonary Hypertension Network Registry. J Pediatr. 2019 Aug;211:63-71.e6. doi: 10.1016/j.jpeds.2019.04.046. Epub 2019 Jun 5.
43. Caicedo L, Hopper RK, Garcia H, Ivy DD, Haag D, Fineman J, Humpi T, Al-Tamimi O, Feinstein J, Berger RM, Berman-Rosenzweig E, Kashour T, Diaz GF, Mendoza A, Bobhate P, Handler S, Lopes AA, Barwad P, Kumar Rahit M, Krishnan U, Adatia ITK, Moledina S, Abman S, Cerro Marin MJD. EXPRESS: Acute Vasoreactivity Testing in Pediatric Idiopathic Pulmonary Arterial Hypertension: an international Survey on Current Practice. Pulm Circ. 2019: 2045894019857533 . doi: 10.1177/2045894019857533. [Epub ahead of print] No abstract available.
44. Cohen JL, Nees SN, Valencia GA, Rosenzweig EB, Krishnan US. Sildenafil Use in Children with Pulmonary Hypertension. J Pediatr. 2019;205:29-34.e1. doi:10.1016/j.jpeds.2018.09.067
45. Bohnen MS, Ma L, Zhu N, Qi H, McClenaghan C, Gonzaga-Jauregui C, Dewey FE, Overton JD, Reid JG, Shuldiner AR, Baras A, Sampson KJ, Bleda M, Hadinnapola C, Haimel M, Bogaard HJ, Church C, Coghlan G, Corris PA, Eyries M, Gibbs JSR, Girerd B, Houweling AC, Humbert M, Guignabert C, Kiely DG, Lawrie A, MacKenzie Ross RV, Martin JM, Montani D, Peacock AJ, Pepke-Zaba J, Soubrier F, Suntharalingam J, Toshner M, Treacy CM, Trembath RC, Vonk Noordegraaf A, Wharton J, Wilkins MR, Wort SJ, Yates K, Gräf S, Morrell NW, Krishnan U, Rosenzweig EB, Shen Y, Nichols CG, Kass RS, Chung WK.  Loss of Function ABCC8 Mutations in Pulmonary Arterial Hypertension. Circ Genom Precis Med 2018. Oct;11(10):e002087. doi: 10.1161/CIRCGEN.118.002087. PMID 30354297
46. Zhu N, Welch CL, Wang J, Allen PM, Gonzaga-Jauregui C, Ma L, King AK, Krishnan U, Rosenzweig EB, Ivy DD, Austin ED, Hamid R, Pauciulo MW, Lutz KA, Nichols WC, Reid JG, Overton JD, Baras A, Dewey FE, Shen Y, Chung WK. Rare variants in SOX17 are associated with pulmonary arterial hypertension with congenital heart disease. Genome Med. 2018 Jul 20;10(1):56. doi: 10.1186/s13073-018-0566-x.
47. Aboudi D, Swaminathan N, Brumberg H, Shi Q, Friedman D, Parvez B, Krishnan U. Sildenafil and retinopathy of prematurity in preterm infants with Bronchopulmonary Dysplasia. J Pediatr. 2018 May 9. pii: S0022-3476(18)30494-3. doi: 10.1016/j.jpeds.2018.04.005. [Epub ahead of print]
48. Backes CH, Nealon E, Armstrong AK, Cua CL, Mitchell C, Krishnan U, Vanderlaan RD, Song MK, Viola N, Smith CV, McConnell PI, Rivera BK, Bridge J. Pulmonary Vein Stenosis in Infants: A Systematic Review, Meta-Analysis, and Meta-Regression. J Pediatr. 2018 Jul;198:36-45.e3. doi: 10.1016/j.jpeds.2018.02.030.
49. Zhu N, Gonzaga-Jauregui C, Welch CL, Ma L, Qi H, King AK, Krishnan U, Rosenzweig EB, Ivy DD, Austin ED, Hamid R, Nichols WC, Pauciulo MW, Lutz KA, Sawle A, Reid JG, Overton JD, Baras A, Dewey F, Shen Y, Chung WK. Exome Sequencing in Children With Pulmonary Arterial Hypertension Demonstrates Differences Compared With Adults. Circ Genom Precis Med. 2018 Apr;11(4):e001887. doi: 10.1161/CIRCGEN.117.001887.
50. Kinsella JP, Steinhorn RH, Mullen MP, Hopper RK, Keller RL, Ivy DD, Austin ED, Krishnan US, Rosenzweig EB, Fineman JR, Everett AD, Hanna BD, Humpl T, Raj JU, Abman SH; The Left Ventricle in Congenital Diaphragmatic Hernia: Implications for the Management of Pulmonary Hypertension. Pediatric Pulmonary Hypertension Network (PPHNet). J Pediatr. 2018 Jun;197:17-22. doi: 10.1016/j.jpeds.2018.02.040. Epub 2018 Apr 5..PMID:29628412
51. Harrington JK, Krishnan U, Jin Z, Mardy C, Kobsa S, Lee MT. Longitudinal Analysis of Echocardiographic Abnormalities in Children With Sickle Cell Disease. J Pediatr Hematol Oncol. 2017;39(7):500-505.
52. Tingo J, Rosenzweig EB, Lobritto S, Krishnan US*. Portopulmonary hypertension in children: a rare but potentially lethal and under-recognized disease. Pulm Circ. 2017;7(3):712-718.
53. Krishnan U, Feinstein JA, Adatia I, Austin ED, Mullen MP, Hopper RK, Hanna B, Romer L, Keller RL, Fineman J, Steinhorn R, Kinsella JP, Ivy DD, Rosenzweig EB, Raj U, Humpl T, Abman SH; Pediatric Pulmonary Hypertension Network (PPHNet). Evaluation and Management of Pulmonary Hypertension in Children with Bronchopulmonary Dysplasia. J Pediatr.2017;188:24-34.
54. Chiu JS, Ma L, Wynn J, Krishnan U, Rosenzweig EB, Aspelund G, Arkovitz M, Warner BW, Lim FY, Mychaliska GB, Azarow K, Cusick RA, Chung DH, Chung WK. Mutations in BMPR2 are not present in patients with pulmonary hypertension associated with congenital diaphragmatic hernia. J Pediatr Surg. 2017; 52(11): 1747-50.  
55. Zijlstra WM, Douwes JM, Ploegstra MJ, Krishnan U, Roofthooft MT, Hillege HL, Ivy DD, Rosenzweig EB, Berger RM. Clinical classification in pediatric pulmonary arterial hypertension associated with congenital heart disease. Pulm Circ. 2016;6(3):302-12.
56. Kinsella JP, Steinhorn RH, Krishnan US, Feinstein JA, Adatia I, Austin ED, Rosenzweig EB, Everett AD, Fineman JR, Hanna BD, Hopper RK, Humpl T, Ivy DD, Keller RL, Mullen MP, Raj JU, Wessel DL, Abman SH. Recommendations for the Use of Inhaled Nitric Oxide Therapy in Premature Newborns with Severe Pulmonary Hypertension. J Pediatr. 2016;170:312-4
57. Arya B, Kerstein D, Leu CS, Hayes D, Zuckerman WA, Krishnan U, Lai WW. Echocardiographic Assessment of Right Atrial Pressure in a Pediatric and Young Adult Population. Pediatr Cardiol. 2016;37(3):558-67
58. Chiu JS, Zuckerman WA, Turner ME, Richmond ME, Kerstein D, Krishnan U, Torres A, Vincent JA, Rosenzweig EB. Balloon atrial septostomy in pulmonary arterial hypertension: effect on survival and associated outcomes. J Heart Lung Transplant. 2015;34(3):376-8
59. Krishnan U, Rosenzweig EB. Pulmonary hypertension in chronic lung disease of infancy. Curr Opin Pediatr. 2015;27(2):177-83
60. Pierog A, Aspelund G, Farkouh-Karoleski C, Wu M, Kriger J, Wynn J, Krishnan U, Mencin A. Predictors of Low Weight and Tube Feedings in Children With Congenital Diaphragmatic Hernia at One Year of Age. J Pediatr Gastroenterol Nutr. 2014 Jun 10. [Epub ahead of print]
61. Zijlstra WMH, Douwes JM, Rosenzweig EB, Schokker S, Krishnan U, Roofthooft MTR, Miller-Reed K, Hillege HL, Ivy DD, Berger RMF. Survival Differences in Pediatric Pulmonary Hypertension: Clues to a better understanding of outcome and optimal treatment strategies. J Am Coll Cardiol. 2014;63(20):2159-69
62. Heching H, Turner M, Farkhouh-Kowaleski C, Krishnan U. Pulmonary Vein Stenosis and Necrotizing Enterocolitis. Is inflammation the missing link? Arch Dis Child Fetal Neonatal Ed. 2014 ;99(4):F282-5.  
63. Zuckerman WA, Turner ME, Kerstein J, Torres A, Vincent JA, Krishnan U, Kerstein D, Rosenzweig EB. Safety of cardiac catheterization at a center specializing in the care of patients with pulmonary arterial hypertension. Pulm Circ. 2013;3:831-9. 
64. Garcia AV, Fingeret AL, Thirumoorthi AS, Hahn E, Leskowitz MJ, Aspelund G, Krishnan US, Stolar CJ. Lung to head ratio in infants with congenital diaphragmatic hernia does not predict long term pulmonary hypertension. J Pediatr Surg. 2013;48(1):154-7. 
65. Wynn, J*., Krishnan, U*., Aspelund, G., Stolar, C. JH., Pietsch,  J.,  Chung, D., Moore, D., Austin, E., Mychaliska, G., Garjaski, R., Foong, Y.L., Michelfelder, E., Potolka, D., Bucher, B., Warner, B., Grady, M., Azarow, K., Kutty, S., Delaney, J., Crombleholme, T., Rosenzweig, E., Chung, W.K. and Arkovitz, M.S. Outcomes of Congenital Diaphragmatic Hernia (CDH) in the modern era of management. J Pediatr. 2013 l;163(1):114-9. (*Co-First Authors)
66. Abman SH, Kinsella JP, Rosenzweig EB, Krishnan U, Kulik T, Mullen M, Wessel DL, Steinhorn R, Adatia I, Hanna B, Feinstein J, Fineman J, Raj U, Humpl T; On behalf of the Pediatric Pulmonary Hypertension Network (PPHNet). Implications of the FDA Warning Against the Use of Sildenafil for the Treatment of Pediatric Pulmonary Hypertension. Am J Respir Crit Care Med. 2013;187:572-5
67. Krishnan U, Takatsuki S, Ivy DD, Kerstein J, Calderbank M, and Rosenzweig EB. Inhaled Treprostinil in Pediatric Pulmonary Arterial Hypertension. Am J Cardiol. 2012;110:1704-9
68. Krishnan U, Taneja I, Gewitz M, Young R, Stewart JM. Improved orthostatic tolerance and Peripheral Vascular Adaptation in Fontan Physiology. Circulation. 2009;120:1775-83.
69. Krishnan U, Krishnan S, Gewitz M. Treatment of Pulmonary Hypertension in Children with Chronic Lung Disease with Newer Oral Therapies. Pediatr Cardiol 2008;29:1082–86.
70. Krishnan U. Univentricular heart: management options. Indian J Pediatr. 2005;72(6):519-24.
71. Krishnan U, Lamour JM, Hsu DT, Kichuk MR, Donnelly CM, Addonizio LJ. Management of aortopulmonary collaterals in children following cardiac transplantation for complex congenital heart disease. Journal of Heart and Lung Transplantation. 2004;23:564-9.
72. Krishnan U. Approach to Congenital Heart Disease in the Neonate.: Indian J Pediatr. 2002;69: 501-5.
73. Gachara N, Prabhakaran S, Srinivas S, Farzana F, Krishnan U, Shah MJ. Efficacy and safety of carvedilol in infants with dilated cardiomyopathy. Indian Heart J. 2001;53:74-7.
74. Krishnan U Diagnosis and management of primary pulmonary hypertension. Indian J Pediatr. 2000;67(3 Suppl):S41-45.- Invited Paper.
75. Krishnan U. Diagnosis and management of primary pulmonary hypertension. Indian J Pediatr.  2000;67:523-7.
76. Shankargauda S, Krishnan U, Shah M:  Dysphonia - A clinical marker in the diagnosis of total anomalous pulmonary venous return Pediatric Cardiol 2000.21:458-60
77. Murthy KS, Rao SG, Naik SK, Coelho R, Krishnan U, Cherian KM.  Evolving surgical management for ventricular septal defect, pulmonary atresia, and major aortopulmonary collateral arteries. Ann Thorac Surg. 1999;67:760-4.
78. Krishnan U, Berman E, Gersony W, Apfel H.  LV function following mitral valve repair in children.  Circulation. 1997; 96: 4280-5.
79. Loya YS, Pinto RJ, Desai DM, Sundaram U**. Selective coronary angiography via antegrade venous route in congenital cyanotic heart disease. Cath Cardiovasc Diagn. 1993;28:179-82.
80. Usha S**, Shah CV, Sharma S. Myocardial Infarction in the Young. J Assoc Physicians India.  1991, 39:525-6.
81. Kulkarni SM, Sundaram U**, Sharma SS. Value of hemodynamic studies during pericardiocentesis in a cardiac catheterization laboratory. J Assoc Physicians India 1991;40: 655-7.

 Peer-reviewed publications not listed in author line

1. Geva A, Gronsbell JL, Cai T, Cai T, Murphy SN, Lyons JC, Heinz MM, Natter MD, Patibandla N, Bickel J, Mullen MP, Mandl KD; Pediatric Pulmonary Hypertension Network and National Heart, Lung, and Blood Institute Pediatric Pulmonary Vascular Disease Outcomes Bioinformatics Clinical Coordinating Center Investigators. A Computable Phenotype Improves Cohort Ascertainment in a Pediatric Pulmonary Hypertension Registry.J Pediatr. 2017;188:224-231 (one of the co-authors- Site Co_PI for PPHNet contributed to the cases submitted to the registry from CUMC and in the group discussions for planning the study and it’s publication)

1. Villeda GV, Spencer R, Crystal MA, Dayton JD, Krishnan U. Pulmonary artery thromboembolism in a critically ill neonate successfully treated using thrombolytic therapy. Ann Pediatr Cardiol. 2021 Apr-Jun;14(2):215-219. doi: 10.4103/apc.APC_156_20. Epub 2021 Feb 16. PMID: 34103864; PMCID: PMC8174645.
2. Caicedo D, Oshiro K, Glickstein JS, Krishnan U, DiLorenzo MP. Cardiac Hemangioma in an Asymptomatic Teenager with a History of Congenital Heart Disease. CASE (Phila). 2020 Jul 11;4(5):362-364. doi: 10.1016/j.case.2020.06.005. PMID: 33117929; PMCID: PMC7581645.
3. Spencer R, Closson RC, Gorelik M, Boneparth AD, Hough RF, Acker KP, Krishnan U. COVID-19 Inflammatory Syndrome With Clinical Features Resembling Kawasaki Disease. Pediatrics. 2020 Sep;146(3):e20201845. doi: 10.1542/peds.2020-1845. PMID: 32843441.
4. Krishnan US, Krishnan SS, Jain S, Chavolla-Calderon MB, Lewis M, Chung WK, Rosenzweig EB. SARS-CoV-2 Infection in Patients with Down Syndrome, Congenital Heart Disease, and Pulmonary Hypertension: Is Down Syndrome a Risk Factor? J Pediatr. 2020 Oct;225:246-248. doi: 10.1016/j.jpeds.2020.06.076. Epub 2020 Jun 28. PMID: 32610168; PMCID: PMC7321054.
5. Rosenzweig EB, Ankola A, Krishnan U, Middlesworth W, Bacha E, Bacchetta M. A novel unidirectional-valved shunt approach for end-stage pulmonary arterial hypertension: Early experience in adolescents and adults. J of thorac and Cardiovasc Surgery. https://doi.org/10.1016/j.jtcvs.2019.10.149
6. Siddiqui S, DiLorenzo MP, Krishnan U. Noninvasive Bedside Vasodilator Testing using Echocardiography. CASE 2019;3:125128
7. Okur V, Nees S, Chung WK, Krishnan U. Pulmonary hypertension in patients with 9q34.3 microdeletion-associated Kleefstra syndrome. Am J Med Genet A. 2018 Aug;176(8):1773-1777
8. Rama G, Chung WKC, Cunniff CM, Krishnan U.  Rapidly Progressive Mitral Valve Stenosis in Patients with Acromelic Dysplasia. Cardiol Young. 2017;27(4);797-800.
9. Blancha VL, Ratner V, Aspelund G, Chai P, Levasseur S, Krishnan U, Bacha E, Krishnamurthy G. Survival of Three Neonates With Congenital Diaphragmatic Hernia and d-Transposition of the Great Arteries. World J Pediatr Congenit Heart Surg.2017;8(2):239-41.
10. Kalfa D, Lai W, Ferris A, Krishnan U, Bacha E. The role of coronary sinus plasty in left pulmonary vein compression. Ann Thorac Surg. 2014; 98:e27-9.
11. Ferdman D, Rosenzweig EB, Zuckerman W, Krishnan U, Subcutaneous treprostinil in children with pulmonary hypertension associated with chronic lung disease of infancy. Pediatrics. 2014;134 (1):e274-8. 
12. Dayan J, Sett S, Krishnan U. Silent rupture of Sinus of Valsalva Aneurysm–A refutation of the Okham’s razor principle. Cardiol Young. 2011:24:1-3.
13. Mathew R, Huang J, Katta US, Krishnan U, Sandoval C, Gewitz MH. Immunosuppressant-induced endothelial damage and pulmonary arterial hypertension. J Pediatr Hematol Oncol. 2011;33:55-8.
14. Dereddy NR, Kronn D, Krishnan U*. Defects in long chain fatty acid oxidation presenting as severe cardiomyopathy and cardiogenic shock in infancy. Cardiol Young. 2009;19:540-2.
15. Dereddy N, Sett S, Krishnan U*. Neonatal resection of ventricular rhabdomyomas presenting with cardiac failure. Cardiol Young 2008;18:635–7.
16. Kannam HC, Satou G, Gandelman G, DeLuca AJ, Belkin R, Monsen C, Aronow WS, Peterson SJ, Krishnan U*. Anomalous origin of the left main coronary artery from the right sinus of Valsalva with an intramural course identified by transesophageal echocardiography in a 14 year old with acute myocardial infarction. Cardiol Rev. 2005;13:219-22.
17. Bhagyaraj B, Krishnan U*, Farzana F.  Kawasaki disease in India. Indian J Pediatr. 2003;70:919-22.
18. Mullasari A, Umesan CV, Krishnan U et al. Transcatheter closure of post myocardial infarction ventricular septal defect with amplatzer septal occluder. Cath Cardiovasc. Intervention. 2001;54:484-7.
19. Shah MJ, Shah S, Shankargowda S, Krishnan U, Cherian KM. L-R shunt: a serious consequence of TAPVC repair without ligation of vertical vein. Ann Thor Surg.2000;70:971-3.
20. Sharma S, Krishnan U. Diagnosis of the sinus venosus defect by echocardiography and angiocardiography. Indian Heart J. 1992;44:395-8.
21. Sharma S, Sundaram U*, Loya Y.  Selective coronary angiography in intracardiac tumors.  J Interv Cardiol. 1993; 6:125-9.
22. Sharma S, Loya YS, Daxini BV, Sundaram U**. Concurrent double balloon valvotomy for combined rheumatic mitral and tricuspid stenosis. Cath Cardiovasc Diagn. 1991:23:42-6.
23. Sundaram U**, Sharma S. Recurrent myocardial infarction in a young patient with normal coronary arteries.  J Assoc Physicians India. 1990;38:365-7.
24. Sundaram U**, Bharucha BA, Kumta NB, Date U, Kallapur S. Syndrome myxoma. Indian Pediatr. 1988;25 888-91.
25. Sundaram U**, Bharucha BA, Kumta NB. Idiopathic interstitial calcinosis. Indian Pediatr. 1988;25:1002-5.

INVITED REVIEW ARTICLES AND TEXTBOOK ARTICLES

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1. Patten W, Krishnan U: Group 2 PH on Children. Advances in Pulmonary Hypertension.
2. Krishnan U and Rosenzweig EB. Pulmonary Arterial Hypertension in Children. Kendig’s disorders of the Respiratory Tract in Children, 10^th edition. Pulmonary Vascular Diseases of the Lung, Elsevier, 2023
3. Epstein R, Krishnan US. Management of Pulmonary Hypertension in the Pediatric Patient. Cardiol Clin. 2022 Feb;40(1):115-127. doi: 10.1016/j.ccl.2021.08.010. PMID: 34809912.
4. Rosenzweig EB, Krishnan US. Congenital Heart Disease-Associated Pulmonary Hypertension. Clin Chest Med. 2021 Mar;42(1):9-18. doi: 10.1016/j.ccm.2020.11.005. Epub 2021 Jan 12. PMID: 33541620.
5. Krishnan U, Rosenzweig EB: Invited Text book article: Idiopathic Pulmonary Arterial Hypertension in the Pediatric age group. Book: Pediatric Cardiology, Cardiac Surgery and Intensive Care Pub: Springer. 2020
6. Krishnan U and Rosenzweig EB. Pulmonary Arterial Hypertension in Children. Kendig’s disorders of the Respiratory Tract in Children, 9^th edition. Pulmonary Vascular Diseases of the Lung, Elsevier, 2017.  
7. Valencia G, Krishnan U Idiopathic Pulmonary Hypertension in Children a review: Pulmonary Therapy 2017- Springer Link doi:10.1007/s41030-017-0035-5
8. Krishnan U, Rosenzweig EB. Pulmonary Hypertension in association with Chronic Lung Disease of Infancy. Current Opinion in Pediatrics 2015. 27:177-83.
9. Krishnan U. Pulmonary Hypertension in Children. IAP Handbook released at the MahaPedicon 2014, Nov 6, 2014
10. Krishnan U. Eisenmenger Syndrome. IAP Handbook released at the MahaPedicon 2014,
11. Krishnan U, Rosenzweig EB. Pulmonary arterial hypertension associated with congenital heart disease. Clin Chest Med. 2013;34:707-17
12. Krishnan U, Rosenzweig EB: Invited Text book article: Idiopathic Pulmonary Arterial Hypertension in the Pediatric age group. Book: Pediatric Cardiology, Cardiac Surgery and Intensive Care Pub: Springer. 2013.
13. Zuckerman W, Krishnan U, Rosenzweig EB. Pulmonary Arterial Hypertension Associated with Congenital Heart Disease. Curr Pediatr Rep (2013) 1:92–101
14. Krishnan U: How to interpret hemodynamics in childhood pulmonary hypertension. Ask the Expert: Advances in Pulmonary Hypertension. 2013.
15. Krishnan U, Children and PH: Babies, Kids, Teens and Family Planning. Pulmonary Hypertension, A Patient’s Survival Guide, 5^th Edition Chapter, 2013.
16. Krishnan U and Rosenzweig EB. Childhood Pulmonary Hypertension. Kendig’s disorders of the Respiratory Tract in Children, 8^th edition. Pulmonary Vascular Diseases of the Lung, Elsevier, 2012. 
17. Krishnan U. “Pulmonary Hypertension in Children" IAP Speciality Series on Pediatric Cardiology. Pub: Jaypee Bros., India.(2012) : 108-111
18. Krishnan U, Zuckerman WA, Rosenzweig EB. Children and PH: Babies, Kids, Teens and Family Planning. Pulmonary Hypertension, A Patient’s Survival Guide, 4^th Ed Chapter, 2011.
19. Krishnan, U: Pulmonary Hypertension associated with Congenital Heart Disease: PHA Online University lecture/ webinar 2011
20. Ferris A, Krishnan U: Vasoactive amines in shock. Indian J Practical Pediatr. 2011;13 (3): 257-264.
21. Krishnan U. Management of Pulmonary Hypertension in the Neonatal Unit. Cardiology in Review 2010; 18: 73–75.
22. Krishnan U, Lovig L. A Review of Sildenafil in the Treatment of Pediatric PulmonaryArterial Hypertension. Clinical Medicine: Therapeutics 2009:1 1–5.
23. Krishnan U.  Management of Pulmonary Hypertension in the Neonatal Unit. Cardiology in Review. Cardiol Rev. 2010;18:73-5.
24. Krishnan U. “Pulmonary Hypertension In Children" IAP Speciality Series on Pediatric Cardiology. Pub: Jaypee Bros., India.  2008:70-75.
25. KrishnanU. Transcatheter Interventional Techniques in Pediatric Cardiology – Business Briefing- US Cardiology 2006 (BMJ Journals)
26. Krishnan U. Univentricular Hearts: Management Options. Indian Journal of Pediatrics 2005 Jun;72(6):519-24. Special Issue- Recent Advances in Pediatric Cardiology.
27. Krishnan, U. The neonate with congenital heart disease. Recent Advances in Pediatrics Special Volume 12. Neonatal emergencies. Jaypee brothers, India, 2003: 235-241.
28. Krishnan, U. Management of Cardiac Emergencies in the neonate. Handbook of Pediatrics. Jaypee brothers Publication, New Delhi, India, 2003.
29. Krishnan U. Diagnosis and management of primary pulmonary hypertension.: Indian J Pediatr. 2000;67: 523-7
30. Krishnan U. Approach to Congenital Heart Disease in the Neonate. Indian J Pediatr. 2002; 69 (6): 501-505.
31. Krishnan U: The Neonate with Cardiac Problems. Perinatal Gazette - Newsletter of the Regional Perinatal Center of the Westchester Medical Center- Nov 2001.

ORAL AND POSTER ABSTRACTS

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1. Francisca L. Chou¹, BA, Denis J. Donovan², MD, Rachel J. Weller², MD, Michael Fremed², MD, Julie S. Glickstein^1,2, MD, Usha S. Krishnan^1,2, MD:  Disparities in Resource Utilization by Families of Children With Complex Cardiac Conditions: Presented at the 2022 med students seminar; manuscript submitted to Pediatrics and for presentation at AHA. Dr Chou-Received Friedman Award for medical student research in Pediatrics
2. Maya Kailas, Aimee M. Layton, Meredith Pesce, Robert Garofano, Thomas J. Starc, Erika B. Rosenzweig, Leonardo Liberman, Usha S. Krishnan Exercise Induced ECG Changes Predict Adverse Outcomes in Pulmonary Hypertension. ACC 2021.
3. Issapour, A¹; Crook, S³; Hite, M²; Rosenzweig,EB.³; Frank, B²; Ivy,DD²; Krishnan, US.  Safety and Efficacy of Combination Therapy with Ambrisentan and Tadalafil for the Treatment of Pulmonary Arterial Hypertension in Children: Early Experience. Poster presentation at Pulmonary Vascular Research Institute 14 th Annual World Congress on Pulmonary Vascular Disease; Lima, Peru Jan 2020
4. Issapour, A¹; Crook, S³; Hite, M²; Rosenzweig,EB.³; Frank, B²; Ivy,DD²; Krishnan,US. Safety and Efficacy of Combination Therapy with Ambrisentan and Tadalafil for the Treatment of Pulmonary Arterial Hypertension in Children: Early Experience. Podium Presentation at the American College of Cardiology, Chicago, March 2020., Journal of the American College of Cardiology Volume 75, Issue 11 Supplement 1, March 2020
5. Hsia J, Linder A, Krishnan S, Bacha E, LaPar D, Rosenzweig EB, Krishnan U. (2019). A single center report on a “treat and repair” strategy for patients with congenital systemic-pulmonary shunts and pulmonary vascular  disease Poster presented at: Pediatric Academic Societies Annual Meeting; Baltimore, MD.
6. Hsia J, Linder A, Krishnan S, Bacha E, LaPar D, Rosenzweig EB, Krishnan U. (2019). A single center report on a “treat and repair” strategy for patients with congenital systemic-pulmonary shunts and pulmonary vascular disease Poster presented at: 4th Annual Leonard Steinfeld Pediatric Cardiology Research Symposium, Pediatric Cardiology Society of Greater New York; New York, NY.
7. Hsia J, Linder A, Krishnan S, Bacha E, LaPar D, Rosenzweig EB, Krishnan U. (2019). A single center report on a “treat and repair” strategy for patients with congenital systemic-pulmonary shunts and pulmonary vascular disease Poster presented at: UCSF 12th International Conference Neonatal and Childhood Pulmonary Vascular Disease; San Francisco, CA.
8. Krishnan U, Hsia J, Linder A, Krishnan S, Bacha E, LaPar D, Rosenzweig EB. (2019). A single center report on a “treat and repair” strategy for patients with congenital systemic-pulmonary shunts and pulmonary vascular disease Poster presented at: Pulmonary Vascular Research Institute 13th Annual World Congress on Pulmonary Vascular Disease; Barcelona,
9. Krishnan U, Linder A, Hsia J, Krishnan S, Rosenzweig EB. (2019). Syncope and Outcomes in Pediatric Pulmonary  Hypertension Poster presented at: Pulmonary Vascular Research Institute 13th Annual World Congress on Pulmonary Vascular Disease; Barcelona, EU.
10. Linder A, ,Krishnan U, Hsia J, Krishnan S, Rosenzweig EB. (2019). Syncope and Outcomes in Pediatric Pulmonary  Hypertension . Poster presented at: Pediatric Academic Societies Annual Meeting; Baltimore, MD
11. Linder A, ,Krishnan U, Hsia J, Krishnan S, Rosenzweig EB. (2019). Syncope and Outcomes in Pediatric Pulmonary  Hypertension Oral award presentation at: UCSF 12th International Conference Neonatal and Childhood Pulmonary Vascular Disease; San Francisco, CA.
12. Linder A, ,Krishnan U, Hsia J, Krishnan S, Rosenzweig EB. (2019). Syncope and Outcomes in Pediatric Pulmonary  Hypertension Poster presented at: 4th Annual Leonard Steinfeld Pediatric Cardiology Research Symposium, Pediatric Cardiology Society of Greater New York; New York, NY.
13. Abramov A, Hernan B, Fan W, Wynn J, Rumel A, Chung W, Farkouh-Karoleski C, Aspelund G, Krishnan U, Khlevner J, Azarow K, Chung D, Crombleholme T, Cusick R, Danko ME, Lim FY, McCulley D, Mychaliska GB, Potoka D, Schindel D, Soffer S, Wagner AJ, Warner BW, Duron V. Comparative Outcomes of Right Versus Left Congenital Diaphragmatic Hernia: A Multicenter Analysis. APSA conference scientific breakout session. 2019
14. Nees,S, Cohen J, Valencia G, Rosenzweig EB, Krishnan U : Treatment of PH in BPD . 10^th International Neonatal and Childhood Pulmonary Vascular Disease Conference California 2017
15. Cohen J, Nees S,Valencia G, Rosenzweig EB, Krishnan U: Use of sildenafil in Pediatric PH. 10^th International Neonatal and Childhood Pulmonary Vascular Disease Conference California 2017.
16. Duchon J, Bailey D, Farkouh-Karoleski C, Krishnan U*: Pulmonary Vein stenosis and NEC a case control. 10^th International Neonatal and Childhood Pulmonary Vascular Disease Conference California 2017
17. Hidalgo S, Rosenzweig EB, Krishnan U: Pediatric PH in Connective Tissue Disease. 10^th International Neonatal and Childhood Pulmonary Vascular Disease Conference California 2017
18. Valencia G, Rosenzweig EB, Krishnan U: Management of PHVD in univentricular heart. (Won Top clinical presentation award- selected for oral and poster presentation.) 10^th International Neonatal and Childhood Pulmonary Vascular Disease Conference California 2017 
19. Endothelin Receptor Antagonists for Pediatric PAH”, 9^th International Neonatal and Childhood Pulmonary Vascular Disease Conference. San Francisco, California. March 2016
20. Endothelin Receptor Antagonists for Pediatric PAH”, 8^th International Neonatal and Childhood Pulmonary Vascular Disease Conference. San Francisco, California. March 2015
21. Bailey D, Farkouh-Karoleski C, Duchon J, Krishnan U*: The Association Between Pulmonary Vein Stenosis and Gastrointestinal Pathology in Premature Infants", abstract #752996, to the 2015 Pediatric Academic Societies Annual Meeting in San Diego, CA. (*senior author, resident mentee- is first author)
22. Harrington J, Lee M, Jin Z, Mardy C, Kobsa S, Lee MT, Krishnan U*. Serial echocardiogram findings in children with sickle cell disease. ASPHO annual Meeting May 6-9 2015. (*senior author, resident mentee- is first author)
23. Krishnan U, Berman EB. Fenestrated Closure of ASD with severe Pulmonary Hypertension. American Thoracic Society Annual Meeting, Colorado May 16-20, 2015.
24. Brumberg H, Parvez B, Krishnan U. Effect of Sildenafil on Retinopathy of Prematurity. Pediatric Academic Societies Annual Meeting. 2014.
25. Krishnan U, Krishnan S, Zuckerman W, Rosenzweig EB: Long term follow up of Pulmonary Artery Hypertension. American Thoracic Society: May 2014.
26. Ferdman, DJ, Rosenzweig EB, Zuckerman WA, Krishnan U. Subcutaneous treprostinil for pulmonary hypertension associated with chronic lung disease of infancy. 6th Annual Symposium on Neonatal and Childhood Pulmonary Vascular Disease. June 2013
27. Krishnan U, Berman EB. Pulmonary Artery Hypertension and Cancer – an emerging reality. Presented at the Annual Conference of the American Thoracic Society 2013.
28. Krishnan U, Armstrong-Coben A, Desai U, Mutnick A, Slater C, Saha P, Resident as Standardized Patient. A 360 degree Educational Model. NEGEA meeting AAMC Apr’13.
29. Zijlstra WMH, Douwes JM, RosenzweigEB, Schokker S, Krishnan U et al. Children with pulmonary arterial hypertension (PAH) associated with CHD are treated less intensively with PAH-targeted drugs compared to children with idiopathic/hereditary PAH. European Society of Cardiology Conference Amsterdam, 2013.
30. Zijlstra WMH, Douwes JM, RosenzweigEB, Schokker S, Krishnan U et al. Transatlantic Survival Differences In Pediatric Pulmonary Hypertension: Clues To A Better Understanding Of Disease Characteristics And Treatment. American Thoracic Society, Philadelphia, 2013.
31. Heching H, Farkouh C, Krishnan U. Pulmonary vein stenosis in prematurity- is inflammation the missing link? American Academy of Pediatrics annual conference, New Orleans, 2012.
32. Krishnan U, Hahn E, Berman Rosenzweig E, Wynn J, G. Aspelund G, W. Chung W Congenital Heart Disease In Association with Congenital Diaphragmatic Hernia. Impact on outcome. Presented at the ATS Conference Philadelphia, May 2012. And PHA June 2012
33. Krishnan U, Hahn E, Berman Rosenzweig E, Wynn J, G. Aspelund G, W. Chung W.   Arkovitz MS^. Risk Factors For Persistent Pulmonary Hypertension And Mortality In Congenital Diaphragmatic Hernia. ATS Conference San Francisco May 2012 and PHA-Miami June 2012
34. Arya B, Kerstein D, Hayes D, Zuckerman W, Krishnan U, Lai WW. Echocardiographic Assessment of Right Atrial Pressure in a Pediatric and Young Adult Population. American Society of Echocardiography, Washington DC, June 2012
35. Krishnan U, Takatsuki S, Ivy DD, Kerstein J, Calderbank M, and Rosenzweig EB. Inhaled Treprostinil in Pediatric Pulmonary Arterial Hypertension. oral presentation at American Thoracic Society annual conference, Denver, CO. 5/16/2011
36. Krishnan U, Krishnan S, Parvez B, Gewitz M. Management of pulmonary hypertension in association with bronchopulmonary dysplasia. Medium term follow-up. American Heart Association, Chicago Nov. 2010
37. Krishnan U, Taneja I, Gewitz M, Young R, Stewart JM. Improved Orthostatic Tolerance and Peripheral Vascular adaptation in Fontan Physiology. Accepted for oral presentation: 5^th World Congress of Ped Cardiology/ cardiac surgery. Australia June 2009.
38. Krishnan U, Seligman K, Visintainer P, Gewitz M. Is measurement of Body Fat Mass by bioelectric impedance a valid parameter in school age children? Accepted for oral presentation: 5^th World Congress of Ped Cardiology/ cardiac surgery. Australia 2009.
39. Krishnan U, Taneja I, Gewitz M,  Young R, Stewart JM. Peripheral Vascular Adaptation in Fontan Physiology. American College of Cardiology. Chicago, Mar 2008.
40. Krishnan U, Krishnan S, Gewitz M. Reversal of pulmonary hypertension in children with chronic lung disease with newer oral therapies. NIH conference on Pulmonary Hypertension. Maryland, Dec 2006.
41. Krishnan U, Krishnan S, Gewitz M. Reversal of pulmonary hypertension in children with chronic lung disease with newer oral therapies. American Academy of Pediatrics. Atlanta, 2006.
42. Krishnan U, Huang J, Turshin N, Gewitz MH, Prokopczyk B, Mathew R. Increased ratio of ADMA to L-Arginine and elevated SDMA levels in childhood Pulmonary hypertension. 100^th Annual conference of the American Thoracic Society, San Diego, May 2005.
43. Mangones T, Krishnan U, Parton L, Parvez B. Intravenous Prostacyclin improves oxygenation on refractory PPHN. 100^th Annual conference of the American Thoracic Society, San Diego, May 2005.
44. Mangones T, Krishnan U, Parton L, Parvez B. Intravenous Prostacyclin improves oxygenation on refractory PPHN. Presented at the PAS/SPR meeting Washington DC,Apr 2005.
45. Krishnan U, Woolf P, Beneck D, Gewitz M. Primary Pulmonary Pathology in Down      syndrome with congenital heart disease. Pediatric Academic Societies Annual meeting, May 7, 2002. Pediatric Research 51(4):37A-37A · March 2002
46. Krishnan U, Mahalakshmi N, Umesan CV, Cherian, KM: Risk factors for homograft calcification in children.  3^rd World Congress of Pediatric Cardiology and Cardiac Surgery, Toronto, May 27-31, 2001.
47. Krishnan U, Banerjee B, Farzana F, Srinivas S, Cherian KM. Growth of Pulmonary arteries after BT shunt in children.  3^rd World Congress of Pediatric Cardiology and Cardiac Surgery.  Toronto, May 27-31, 2001.
48. Krishnan, U. Shah S, Prabhaharan P, Cherian KM. Repair of Tetralogy of Fallot with absent LPA.  3^rd World Congress of Pediatric Cardiology and Cardiac Surgery. Toronto, May 27-31, 2001.
49. Krishnan, U. Murali R, Farzana F, Srinivas S, Cherian KM.  Does pulsatility benefit patients with bidirectional Glenn anastomosis?  3^rd World Congress of Pediatric Cardiology and Cardiac Surgery. Toronto, May 27-31, 2001.
50. Krishnan U, Trivedi S, Radhakrishnan N et al .Aortic Arch Anomalies in Congenital Heart Disease.  3^rd World Congress of Pediatric Cardiology and Cardiac Surgery. Toronto, May 27-31, 2001.
51. Krishnan, U.  Delineation of pulmonary circulation in TOF with pulmonary atresia.  3^rd World Congress of Pediatric Cardiology and Cardiac Surgery. Toronto, May 27-31, 2001.
52. Krishnan, U, Srinivas S, Joseph G.  Transcatheter closure of post-operative complicated VSD’s using the Amplatzer VSD occluder. 3^rd World Congress of Pediatric Cardiology and Cardiac Surgery. Toronto, May 27-31, 2001.
53. Krishnan U. Hemodynamic profile and surgical outcome of aneurysm of sinus of Valsalva. (Oral) Cardiology Society of India (CSI), Bombay, India, 1998.
54. Shah M, Krishnan U, Pandurangi U, Cherian KM.  Pulmonary arterio-venous malformations.  A catastrophic consequence after cavo-pulmonary anastomosis.  Cardiology Society of India (CSI), Bombay, India, 1998.
55. Krishnan U, Naik S, Cherian KM. Aortopulmonary window – Clinical presentation, morphology and associated anomalies. (oral) Cardiology Society of India (CSI), Bombay, India, 1998.
56. Krishnan U, Priya M, Cherian KM. Outcome after surgery for truncus arteriosus beyond infancy. (oral)  Cardiology Society of India (CSI), Bombay, India, 1998.
57. Krishnan U, Shah MJ, Naik S, Cherian KM.  Total anomalous pulmonary venous return.  An echocardiographic profile. Annual Bangladesh Cardiology Conference. Dhaka, Bangladesh, March 1998.
58. Shah M, Krishnan U, Srinivas S et al  Intranasal Midazolam-A safe and effective mode of sedation for pediatric echocardiography. Cardiology Society of India (CSI), Bombay, India, 1998.
59. Krishnan, U.  Morphologic analysis of children undergoing univentricular repair.  Cardiology Society of India (CSI), Bombay, India, 1998.
60. Krishnan U, Hsu D, Quaegebeaur JM et al.  Outcome after enucleation for discrete sub-aortic stenosis in children.  Annual Conference, American Heart Association, Orlando, Nov. 1997.
61. Krishnan U, Berman E, Gersony W, Apfel H.  LV function following mitral valve repair in children.  2^nd World Congress of Pediatric Cardiology and Cardiothoracic Surgery, Honolulu, May 1997.
62. Krishnan U, Kichuk MA, Hsu D et al.  Management of Aorto-pulmonary collaterals after cardiac transplantation in children. Annual Conference of the International Society for Heart and Lung Transplantation, London, UK, April 1997.
63. Krishnan U, Gersony WM, Barst R.  Persistent pulmonary hypertension in transposition of the great arteries. Annual Conference of the American Thoracic Society/American Lung Association, New Orleans, May 1996.
64. Krishnan U, Naik S, Cherian KM. TAPVC, an experience of 120 operated cases.  Cardiology Society of India (CSI) Conference, 1997.
65. Sundaram U, Nair KG. Diastolic Dysfunction in Hypertension.  International Conference of Cardiology and Cardiac Surgery, Bombay, India 1991.
66. Sundaram U, Loya Y, Sharma S. Coronary Angiography by the Antegrade Venous Route in CHD-Cardiology Society of India (Oral presentation) 1991.
67. Sundaram U, Shah CV, Sharma S. Myocardial Infarction in the Young. (Oral presentation) Cardiology Society of India, 1989.
68. Sundaram U, Kulkarni H M. Correlation of x-ray, ECG with pulmonary hypertension in congenital acyanotic heart disease –Oral Presentation, Indian Academy of Pediatrics Annual National Conference,1988
69. Sundaram U, Ali U, Mehta KP. Hematuria in Children. Oral Presentation, Indian Academy of Pediatrics, Annual National Conference, 1988.

INVITED PRESENTATIONS

________________________________________________________

International

1. ATS May 2023: Invited for Pulm Fellow Bootcamp lecture on Pediatric Pulmonary Hypertension
2. UCSF 14th International Conference on Neonatal & Childhood Pulmonary Vascular Disease March 2023: Krishnan U Moderated and spoke at a session on Prostanoids in Pediatric PH
3. UCSF 14th International Conference on Neonatal & Childhood Pulmonary Vascular Disease March 2021: Krishnan U Pulmonary vein stenosis-updates.
4. 21^stAnnual Pediatric Cardiac Society of India. Calcutta; Nov 2022: Risk Stratification in Pediatric Pulmonary Hypertension
5. Invited member of Pediatric Pulmonary Hypertension Task force to reclassify Pediatric PH at - International PVRI conference June 2022, Athens
6. Moderated session and presented several cases of “PH patients that continue to intrigue us”. PVRI Athens June 2022
7. Krishnan, U: Medical Management of Pulmonary Vein Stenosis:15th UCSF  International conference of neonatal and pediatric Pulmonary Vascular Disease, March 2022.
8. UCSF 14th International Conference on Neonatal & Childhood Pulmonary Vascular Disease March 2021: Krishnan U and Berger RM: Pro-Con Debate : Triple therapy for new severe PAH.
9. 19^th Annual Pediatric Cardiac Society of India. Ahmedabad; Sept 2018:
   1. Long term follow up of the Fontan Patient
   2. Pediatric Pulmonary Hypertension: Diagnosis and Management
10. 18^th Annual Pediatric Cardiac Society of India. Oct 26-29, 2017  
    1. Krishnan U. Invited Speaker: Unusual Presentation of Pediatric PH.
    2. Panelist- Management of Pulmonary hypertension in Children
    3. Judge- Young Investigator Session and e poster sessions.
11. Krishnan U. Invited Speaker: Pediatric PAH: Diagnosis and Management. Pediatric Cardiology Meeting of Canada: PH symposium. Montreal, 10-2016.
12. Krishnan U: Therapeutics in Pediatric Pulmonary Hypertension. Pediatric Cardiac Society national conference Sept 2016, Bangalore India
13. Krishnan U: Invited speaker: State of the art diagnosis and management. Pediatric Pulmonary Hypertension Symposium/PVRI: June 2016 Mumbai, India
14. Krishnan U: Invited speaker: Recent Guidelines in Pediatric Pulmonary Hypertension. AIIMS PVRI/PH Symposium: June 2016 Kochi, India
15. Krishnan U: Pediatric PAH. Invited speaker at the annual Indian Academy of Pediatrics MahaPedicon 2014. Nov 6, 2014
16. Krishnan U. Moderate workshop in pediatric intensive care. Annual Indian Academy of Pediatrics MahaPedicon 2014. Nov 6, 2014
17. Krishnan U: Invited Faculty Pediatric Cardiac Society national conference from 1998-2014 (Asia Pacific Pediatric Cardiology conference New Delhi – March 2014).
18. Krishnan U: Current Management of Pulmonary Hypertension. First European Conference on Neonatal and Pediatric Pulmonary Vascular Disease. Groningen, Netherlands. Oct 2013.
19. Krishnan U. Pulmonary Hypertension with Congenital Heart Disease. 13^th Annual Conference of the Pediatric Cardiac Society of India. Trivandrum, India September 2011.
20. Krishnan U. Emerging therapies for Pulmonary Hypertension. Pulmonary Vascular Research Institute-PVRI- SEARS International Conference; India Oct 2011.
21. Krishnan U: Panel discussion on special issues in transposition of great arteries.12^th Annual Conference of the Pediatric Cardiac Society of India. Mumbai, India October’10
22. Krishnan U. Fontan circulation-Pharmacotherapy. 12^th Annual Conference of the Pediatric Cardiac Society of India. Mumbai, India.  October 2010.
23. Krishnan U. Moderator-Panel discussion- Neonatal Cardiac ICU issues.. 12^th Annual Conference of the Pediatric Cardiac Society of India. Mumbai, India.  October 2010
24. Krishnan U. Management of Pulmonary Hypertension in Children. Invited lecture- Pumonary Vascular Research Institute Symposium at the11^th Annual Conference of the Pediatric Cardiac Society of India. Chandigarh, India.  October 2009.
25. Krishnan U. Circulatory Adaptations in the chronic Fontan patient. 11^th Annual Conference of the Pediatric Cardiac Society of India. Chandigarh, India October 2009.
26. Krishnan U. Expert Panelist. “Development of Pediatric Cardiology Services in a developing country”. 11^th Annual Conference of the Pediatric Cardiac Society of India. Chandigarh, India  October 2009.
27. Krishnan U. Management of Eisenmenger Syndrome in Children. 10^th Annual Conference of the Pediatric Cardiac Society of India. Kochi, India 2008.
28. Krishnan U. Debate Session - Is there need for an eleventh commandment for Fontan Repair? 10^th Annual Conference of the Pediatric Cardiac Society of India. Kochi. 2008.
29. Krishnan U. chaired and moderated an interactive session on Management issues in Pediatric Cardiology in the acute setting. 10^th Annual Conference of the Pediatric Cardiac Society of India. Kochi, India 2008.
30. Krishnan U. Chaired a session on Pediatric Cardiac medication usage. 10^th Annual Conference of the Pediatric Cardiac Society of India. Kochi, India 2008.
31. Krishnan U. Evolution of the Fontan Physiology.  9^th Annual Conference of the Pediatric Cardiac Society of India. Kolkotta, India 2007.
32. Krishnan U. Chaired the Interventions in Pediatric Cardiology Session. 9^th Annual Conference of the Pediatric Cardiac Society of India, Kolkotta, India. 2007.
33. Krishnan U. Moderated debate session on controversies in Pediatric Cardiology. 9^th Annual Conference of the Pediatric Cardiac Society of India. Kolkotta, India. 2007.
34. Krishnan U. Management of Pulmonary Hypertension in Children. 7^th Annual Conference of the Pediatric Cardiac Society of India. Hyderabad. India.2005.
35. Krishnan U Sudden Cardiac Death in Children.  6^th Annual Conference of the Pediatric Cardiac Society of India Bangalore, India 2004.
36. Krishnan U. Management of Pulmonary Hypertension in Children. 5^th Annual Conference of the Pediatric Cardiac Society of India 2003, Mumbai.
37. Krishnan U. Moderater for “Controversies in Pediatric Cardiology”. 5th Annual Conference of the Pediatric Cardiac Society of India, Mumbai, India. 2003.
38. Krishnan U. Management of Post-operative Congenital Heart Diseases. Pediatric Cardiac Society of India- 3^rd Annual Conference, Kochi 2001.
39. Krishnan U. Organized and Conducted the 2^nd Annual Conference of the Pediatric Cardiac Society of India ,Chennai, 2000.
40. Krishnan, U.  Controversies Session: Management of subaortic membrane. First Annual Conference of the Pediatric Cardiology Society of India, New Delhi, 1999.
41. Krishnan, U.  Management of primary and secondary PAH in children.  First Annual Conference of the Pediatric Cardiology Society of India (PCSI), New Delhi, 1999.
42. Krishnan U. Organised an international workshop of Cardiac Morphology and Echocardiography, (Faculty-Dr P Weinberg and Lindsey Allen), Madras, Feb, 1999.
43. Krishnan U. Early Diagnosis and Management of Congenital Heart Disease. Indian Academy of Pediatrics, Sangli, India, 1998.
44. Krishnan U. Early Diagnosis and Management of Congenital Heart Disease. Indian Academy of Pediatrics, Kottayam, India, 1997.
45. Krishnan, U.  Diagnosis and management of PPH.  International workshop in Cardiac Surgery, Madras, India. March 1999.
46. Krishnan, Usha S., Anju R. Gupta, David E. Solowieczyk, Stuart Kaufman, Welton U. Gersony, Jan M. Quaegebeur, and Daphne T. Hsu. "Outcome Following Surgical Enucleation For Discrete Subaortic Stenosis." Circulation 96, no. 8S (1997).
47. Krishnan, U., Woolf, P.K., Benck, D. and Gewitz, M., 2002, April. Primary pulmonary pathology complicating congenital heart disease in downs syndrome: A clinicopathologic study. In PEDIATRIC RESEARCH (Vol. 51, No. 4, pp. 37A-37A).

National

1. Pediatric and Neonatal Pulmonary Hypertension: Seminar at Orlando Health (Children’s Hospital) May 2022.
2. Pregnancy and PH ; Congenital Heart Disease and PH- 2 Talks to Department of Behavioral Health Washington DC May 2022
3. Chronic Thromboembolic PH: NJ Medical Society- April 2022
4. Medical Management of Pulmonary Vein Stenosis:   International conference of neonatal and pediatric Pulmonary Vascular Disease, March 2022.
5. Invited Faculty at NeoHeart 2020.
   1. Moderated session on Pulmonary Hypertension
6. Moderated / Discussed a Special Case Presentation Session- Alveolar Capillary Dysplasia
7. Moderated a Case presentation session on Pulmonary Vein Stenosis
8. Panelist at session on Pulmonary Vein Stenosis.

9. Krishnan U: Moderated Case presentations session at the 11^th UCSF CME on Neonatal and Childhood Pulmonary Vascular Diseases conference San Francisco March 2019
10. Invited Faculty at NeoHeart 2018. Talks:
11. Presentation: Pathogenesis of pulmonary hypertension in bronchopulmonary dysplasia
12. Presentation: Congenital diaphragmatic hernia and pulmonary vasodilators: Friend or foe?
13. Panelist at -Expert round table for a) BPD-PH; b) CDH PH.
14. Krishnan U: Moderated Case presentations session at the 11^th UCSF CME on Neonatal and Childhood Pulmonary Vascular Diseases conference San Francisco April 2018.
15. Krishnan U: Practical Management of PAH: A Case-Based Approach. Invited lecture for the American Association of Physicians of Indian Origin- audience of 120 physicians in New York. Sept 2017.
16. Krishnan U: Pulmonary Hypertension in the Neonate and premature infant. Speaker at the Pulmonary Hypertension Symposium at Hot Topics in Neonatology. Washington DC Dec’15.
17. Krishnan U Panelist: Cases in Neonatal Pulmonary Hypertension. Pulmonary Hypertension Symposium at Hot Topics in Neonatology. Washington DC Dec 2015
18. Krishnan U Pulmonary Hypertension in the NICU. Neonatal Critical Care Consortium 2015.
19. American Heart Association Cardiovascular Diseases in the Young (CVDY) 2015:

Chaired sessions conducted by the Cardiovascular Diseases of the Young subcommittee.

      Co-conducted the career mentorship lunch session

            Judging committee for the CVDY young investigator session

CVDY visiting professorship award committee.

20. Krishnan U: Pulmonary Hypertension Associated with Bronchopulmonary Dysplasia: Invited speaker Spokane Pediatric Society, Spokane WA June 2015
21. American Heart Association Cardiovascular Diseases in the Young (CVDY) 2014:

Chaired sessions conducted by the Cardiovascular Diseases of the Young subcommittee.

Co-conducted the career mentorship lunch session

Judging committee for the CVDY young investigator session

CVDY visiting professorship award committee.

22. Krishnan U: Invited to speak on Cardiologic considerations in Pompe Disease. Tristate Pediatricians and geneticists- Webinar Sept 22, 2014
23. Krishnan U. Content development for Simply Speaking Presentations: CME by Rush University Chicago. “Pulmonary Hypertension associated with Congenital Heart Disease.”2013
24. Krishnan U. Conducted Educator Training for Simply Speaking Presentations: CME by Rush University Chicago. Pulmonary hypertension in Children. January 2014
25. Krishnan U: Invited to speak on Cardiologic considerations in Pompe Disease. NY-Mid Atlantic Consortium – symposium on Pompe disease newborn screening. Nov 1, 2013.
26. Krishnan U. Diagnosis, classification and management of Pulmonary Hypertension in Children; Invited talk-grand rounds at Texas Children’s Hospital March 2013
27. Krishnan U. Diagnosis, classification and management of Pulmonary Hypertension; Invited talk- American Association of Physicians of Indian origin (NY-LI) Feb 2013
28. Krishnan U. Pulmonary Hypertension in Children. Lecture for the Long Island Society of Health-System Pharmacists Sept 2012.
29. Krishnan U. Emerging therapies for Pulmonary Hypertension. NY Pediatric Critical Care Meeting, Columbia University, Dec 2011.
30. Krishnan U. Emerging therapies for Pulmonary Hypertension. Pediatric Critical Care Meeting, Columbia University, Dec 2011.
31. Krishnan U. Eisenmenger Syndrome- recent developments. Controversies in Pediatric Heart     Diseases Oct 2011. New York, NY.

Regional and Local

1. Krishnan U. Pulmonary Hypertension in Pediatrics- There is Hope! Grand Rounds Robert Wood Johnson Medical Center and Rutgers Sept 2022.
2. Krishnan U. Pulmonary Hypertension in neonates and infants- recent advances Advances in Neonatology Symposium, CUMC: October 2022
3. Krishnan U. Pulmonary Hypertension in infants Invited Talk for Pulmonology and NICU- NYP- Weill Cornell Medical Center, NY, October 2022
4. Krishnan U. Pulmonary Hypertension in infants in the NICU Advances in Neonatology Symposium, CUMC: October 2021
5. Krishnan U. Pulmonary Hypertension in infants with Bronchopulmonary Dysplasia.  Advances in Neonatology Symposium, CUMC: October 2020
6. Krishnan U. Pulmonary Hypertension in infants Invited Talk for Pulmonology and NICU- NYP- Weill Cornell Medical Center, NY, October 2019
7. Krishnan U. Pulmonary Hypertension in Pediatrics- Invited Talk for PICU- NYP- Weill Cornell Medical Center, NY, October 2019
8. Krishnan U. Pulmonary Hypertension in Pediatrics: Pediatric Grand Rounds: Goryeb Childrens Hospital, Morristown, New Jersey April 2019
9. Krishnan U. Pulmonary Hypertension in infants Invited Talk for Neonatology- Goryeb Childrens Hospital, Morristown, New Jersey April 2019
10. Krishnan U. Pulmonary Hypertension in Pediatrics: Pediatric Grand Rounds: Goryeb Childrens Hospital, Morristown, New Jersey April 2019
11. Krishnan U. Pulmonary Hypertension in Pediatrics: Pediatric Grand Rounds: Maria Fareri Childrens Hospital, Valhalla, New York April 2019
12. Krishnan U. Pulmonary Hypertension in infants with Bronchopulmonary Dysplasia.  Advances in Neonatology Symposium, CUMC: October 2018
13. Krishnan U: Pediatric and Neonatal PH- There is Hope yet! Pediatric Grand Rounds at CUMC Oct 2018
14. Krishnan U: Pediatric PH. Management Principles: Talk to the Texas NP society- Austin Texas Oct 2018
15. Krishnan U: Neonatal and Pediatric PH. Pediatric Grand Rounds: Albany Medical Center August 2018
16. Krishnan U: Pediatric PH. Management Principles: Pediatric Grand Rounds Florida Childrens Hospital- Orlando Aug 2018.
17. Krishnan U. Diagnosis and Classification of Pulmonary Hypertension in children. Pulmonary Hypertension Association (PHA) Preceptorship program NY. November 2017.
18. Krishnan U. Unusual presentation of Pulmonary Hypertension in children. Demonstrative Cases. Pulmonary Hypertension Association (PHA) Preceptorship program NY. Nov 2017.
19. Krishnan U. Pulmonary Hypertension in infants with Bronchopulmonary Dysplasia.  Advances in Neonatology Symposium, CUMC: October 2017
20. Krishnan U. Pulmonary Hypertension in infants with Bronchopulmonary Dysplasia. Grand Rounds/visiting Professor- Childrens Hospital of Buffalo March 2017
21. Krishnan U. Pulmonary Hypertension in infants with Bronchopulmonary Dysplasia. Grand Rounds St Barnabas Hospital New Jersey March 2017
22. Krishnan U. Pulmonary Hypertension in Children with Congenital Heart Disease. Grand Rounds/visiting Professor- Childrens Hospital of Albany February 2017
23. Krishnan U. Pulmonary Hypertension in infants with Bronchopulmonary Dysplasia.  Advances in Neonatology Symposium, CUMC: October 2016
24. Krishnan U: Pediatric grand rounds at NYU Medical Center. Topic:  Pediatric and Neonatal Pulmonary Hypertension. May 31, 2016.
25. Krishnan U Pediatric Pulmonary Hypertension: Grand Rounds at Staten Island Hospital/ Staten Island Nurse Practitioners Association. Nov 2015
26. Krishnan U. PH in BPD. Advances in Neonatology Symposium, 2015
27. Krishnan U: Pulmonary Hypertension Associated with Congenital Heart Disease: Grand Rounds at Spokane Children’s Hospital, Spokane WA; 10th June, 2015
28. Krishnan U Pediatric and infant PAH, Grand Rounds at SUNY Down State Medical Center. 15^th Apr 2015.
29. Krishnan U Intracardiac Shunts with PAH- Close or not to close? Lecture at the First National ECMO conference at CUMC Jan 8, 2015.
30. Krishnan U. Pediatric PAH: Grand rounds at Orlando Heart Institute, Oct 7, 2014
31. Krishnan U. Pediatric PAH: Grand rounds at Harlem Hospital, NY, Oct 9, 2014
32. Krishnan U. Pulmonary Hypertension in the NICU.  Advances in Neonatology Seminar, Oct 6, 2014
33. Krishnan U: Research lecture series for fellows; How to prepare and abstract/ poster/ podium presentation. August 2014
34. Krishnan U: Prostanoids in PAH. Asia Pacific Pediatric Cardiology Conf. March 2014.
35. Krishnan U: Endothelin Receptor Antagonists in PAH. Neonatal and Pediatric Pulmonary Vascular Diseases symposium. UCSF March 2014.
36. Krishnan U. Pediatric Pulmonary Hypertension: Created teaching module/educator lecture for Simply Speaking- An Educational program by Rush Univ. Chicago. Jan 2014
37. Krishnan U.  Cardiac Involvement in Pompe Disease. NY- Mid Atlentic Consortium for Genetic and Newborn Screening services symposium. Nov 1, 2013.
38. Krishnan U.  Kawasaki Disease- Ask the Professor: An educational initiative for Pediatric Residents- CUMC: August 2013.
39. Krishnan U. Congenital Heart Disease with Pulmonary Hypertension: Created teaching module for Simply Speaking- An Educational program by Rush Univ. Chicago. Jan 2013
40. Krishnan U. Congenital Heart Disease with Pulmonary Hypertension: PHA Online University: Web based lecture 2012.
41. Krishnan U. Pulmonary Hypertension with Chronic Lung disease of prematurity. Grand Rounds Metropolitan Hospital NY Apr 2011.
42. Krishnan U. Management of PAH with CDH- Panel discussion and speaker at Grand rounds/ teleconference at Schneider Children’s Hospital, Feb 2011
43. Krishnan U. Management of Pulmonary Hypertension in the newborn nursery. Grand rounds at Bronx Lebanon Hospital –September 21, 2010.
44. Krishnan U. Lecture series at Wadia Children’s Hospital, Mumbai, India-August 2010.