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​​​​​Cardiology​


The Cardiology and Cardiac Service Line specialty research group is an integrative group of research-inclined physicians working to assess new evidence to inform and improve clinical care. This research page is a resource to aid in organizing interested clinicians, connect those involved in data-driven inquiry, and plan next steps for data collection that can inform clinical practice change. Some topics of interest include: congestive heart failure, coronary artery disease, valvular heart disease, structural heart disease, preventing chemotherapy-induced cardiac side effects, congenital heart disease, and diet and cardiovascular outcomes, among many others. 




​Physicians Involved in Research

Sirtaz Adatya, MD
Santa Clara Homestead
Andrew Ambrosy, MD
San Francisco Medical Center
Yen Bui, MD
Oakland Medical Center
Brian Cain, MD
San Francisco Medical Center
Robert Kirchner, MD
Roseville Medical Center
Ashok Krishnaswami, MD
San Jose Medical Center
Ivy Ku, MD
San Francisco Medical Center
David Lange, MD
Santa Clara Homestead
Keane Lee, MD
Santa Clara Homestead
Kenneth Mahrer, MD
San Francisco Medical Center
Dana McGlothlin, MD
San Francisco Medical Center
Edward McNulty, MD
San Francisco Medical Center
Jacob Mishell, MD
San Francisco Medical Center
Sahar Naderi, MD
San Francisco Medical Center
Luz Natal-Hernandez, MD
Roseville Medical Center
Femi Philip, MD
Roseville Medical Center
Mario Pompili, MD
Santa Clara Homestead
Seema Pursnani, MD
Santa Clara Homestead
Jamal Rana, MD
Oakland Medical Center
Andrew Rassi, MD
San Francisco Medical Center
Xiushui Ren, MD
Redwood City Medical Center
Alicia Romero, MD
San Francisco Medical Center
James Schipper, MD
Sacramento Medical Center
Ahmad Sheikh, MD
San Francisco Medical Center
Ann Sheridan, MD
San Francisco Medical Center
Matthew Solomon, MD
Oakland Medical Center
Samir Thadani, MD
South San Francisco Medical Center
Jonathan Zaroff, MD
San Francisco Medical Center

2019 American College of Cardiology Abstracts


Prior Exposure to a Conventional Renin-Angiotensin System Antagonist and Angiotensin Receptor-Neprilysin Inhibition in Acute Decompensated Heart Failure: A Prespecified Subgroup Analysis of the PIONEER-HF Trial

Andrew P. Ambrosy, MD; Adam D. DeVore, MD; David A. Morrow, MD; Eugene Braunwald, MD; Carol I. Duffy, DO; Kevin McCague, MS; Ricardo Rocha, MD; Eric J. Velazquez, MD


Transcatheter Device Closure of a Post-Infarction Basilar Ventricular Septal Rupture in a Patient Presenting With Cardiogenic Shock

Harshith R. Avula, MD, Andrew Rassi, MD, Stephanie Chen, MD, Liviu Klein, MD, MS, Jonathan Zaroff, MD


Identification and Management of Familial Hypercholesterolemia in an Integrated Health Care Delivery System

Richard A. Birnbaum, MD, Brandon H. Horton, Leslie Manace Brenman, MD, Andrew L. Avins


Spontaneous Coronary Artery Dissection and incident Ventricular Arrhythmias. Frequency, clinical characteristics, and outcomes

Stephanie Chen, MD, Harshith R Avula, MD, Andrew P Ambrosy, MD, Robert Lundstrom, MD, Sahar Naderi, MD


AuInitiation of Angiotensin-Neprilysin Inhibition after Acute Decompensated Heart Failure: Results of the Open-Label Extension of the PIONEER-HF Trial (Late-Breaking Clinical Trial Session)

Adam D. DeVore, MD; Eugene Braunwald, MD; David A. Morrow, MD; Carol I. Duffy, DO; Andrew P. Ambrosy, MD; Kevin McCague, MS; Ricardo Rocha, MD; Eric J. Velazquez, MD


Association of Elixhauser Comorbidity Index to 1-Year Mortality in Older Adults After Permanent Pacemaker Implantation

Ashok Krishnaswami, MD, MAS ;Taylor Liu, MD, PhD ; Wei Wang, PhD, MS ; Jessica Harris, MS, RD; Elizabeth W. Paxton, MA; Frederick W. Masoudi, MD


Longitudinal Change and Fluctuation in QT and Cardiovascular Outcomes – Insights from a Large Integrated Healthcare Delivery System

Neha Mantri MD, Meng Lu MS, Carlos Iribarren, MD


Diagnostic Evaluation of a Right Atrial Mass with Multimodality Imaging and Endomyocardial Biopsy: A Clinical Conundrum

Neha Mantri MD, Ahmad Sheikh MD, Andrew Ambrosy MD, Jennifer Ting MD, Robert Lundstrom MD


Associations of Bleeding and Ischemic Outcomes with Duration of Thienopyridine Therapy after Percutaneous Coronary Intervention for Coronary Chronic Total Occlusion

Amit Sachdeva, MD, Yun-Yi Hung PhD, MPH, Edward J. McNulty, MD


Re-Evaluation of Race and Ethnicity with Adverse Outcomes in Heart Failure

Samuel T. Savitz PhD, Jamal S. Rana MD, Keane Lee MD, Thomas Leong MPH, Sue Hee Sung MPH, Grace Tabada MPH, Alan S. Go MD


Development and Validation of Models to Predict Long-Term Outcomes and Resource Utilization After Percutaneous Coronary Intervention

Matthew D. Solomon, MD, PhD, Thomas Leong, MPH, Sue Hee Sung MPH, Catherine Lee, PhD, Samuel T. Savitz, PhD, Jamal S. Rana, MD, PhD, Edward J. McNulty, MD, Alan S. Go, MD


2019 American Heart Association Abstracts


Functional Iron Deficiency Is Independently Associated With Increased Risk Of Morbidity And Mortality In Older Adults

Ambrosy AP, Tabada GH, Gurwitz J, Artz A, Schrier S, Rao SV, Reynolds K, Smith DH, Peterson PN, Sung SH, Cohen HJ, Go, AS.

Human Immunodeficiency Virus Infection and Risks of Death and Heart Failure Hospitalization in Adults with Incident Heart Failure.

Avula HR, Ambrosy AP, Silverberg MJ, Reynolds K, Towner WJ, Hechter RC, Horberg M, Vupputuri S, Leong TK, Leyden WA, Harrison TN, Lee KK, Sung SH, Go AS.

Atrial Fibrillation and Stroke: Causal Relationship or Risk Marker?

Go AS.

The Influence of Race/Ethnicity on Burden of Atrial Fibrillation: The KP RHYTHM Study

Yang JR, Reynolds K, Gupta, N, Lenane J, Garcia, EA, Sung SH, Harrison TN, Solomon MD, Go AS.

Improving Cardiovascular Risk Prediction In Asian Subgroups

Parikh R, Rana JS, Tan TC, Pursnani SK, Mantri NM, Go AS.

Using Natural Language Processing to Accurately Identify Aortic Stenosis in a Large, Integrated Healthcare Delivery System.  

Solomon MD, Tabada G, Allen A, Sung SH, Go AS.


KP Researchers and Physicians presented at the 2021 AHA conference. Click here to read more.