Howard C Herrmann MD

Interventional Cardiology

John Bryfogle Professor Emeritus of Medicine, Perelman School of Medicine at the University Pennsylvania

3400 Civic Center BlvdPCAM South Pavilion 11-107Philadelphia, PA 19104
Phone+1 215-662-2180
Fax+1 215-349-5894

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Summary

Dr. Howard Herrmann is a cardiologist in Philadelphia, PA, the John Bryfogle Professor Emeritus of Medicine, and is affiliated with multiple hospitals in the area, including Hospital of the University of Pennsylvania, Penn Presbyterian Medical Center, and Pennsylvania Hospital. He received his medical degree from Harvard Medical School and has been in practice 38 years. He specializes in interventional cardiology (structural and valvular) and is experienced in hypertrophic cardiomyopathy, valvular heart disease, aortic stenosis, mitral regurgitation, and transcatheter valve surgery. He has more than 500 publications.

Education & Training

Mass General Brigham/Massachusetts General HospitalFellowship, Interventional Cardiology, 1984 - 1987
Mass General Brigham/Massachusetts General HospitalResidency, Internal Medicine, 1981 - 1984
Harvard Medical SchoolClass of 1981

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Certifications & Licensure

PA State Medical License 1987 - 2026
NJ State Medical License 2021 - 2025
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Cardiovascular Disease
American Board of Internal Medicine Interventional Cardiology

Awards, Honors, & Recognition

Philadelphia Magazine Castle Connolly, 2010-2026
America's Top Doctors Castle Connolly, 2010-2026
Master Society of Cardiovascular Angiography and Intervention

Clinical Trials

PARTNER II Trial: Placement of AoRTic TraNscathetER Valves II - XT Intermediate and High Risk
COMPLETED
NA
Safety and Efficacy Study of the Medtronic CoreValve® System in the Treatment of Severe, Symptomatic Aortic Stenosis in Intermediate Risk Subjects Who Need Aortic Valve Replacement (SURTAVI).
ACTIVE_NOT_RECRUITING
NA
A Pivotal Trial to Establish the Efficacy and Long-term Safety of the Parachute Implant System
TERMINATED
PHASE3

Publications & Presentations

PubMed

The current and future in transcatheter treatment of aortic stenosis: from the 'beyond the guidelines' session at cardiovascular research technologies 2026.
Edward T Ha, Holger Thiele, Michael Joner, Howard C Herrmann, Hasanian A Jilaihawi
Cardiovascular Revascularization Medicine. 2026-07-29
Procedural Strategies for Optimal Transcatheter Aortic Valve Replacement: An International Position Statement.
Annette Maznyczka, Thomas Pilgrim, David Hildick-Smith, Antonio Mangieri, Azeem Latib
JACC. Cardiovascular Interventions. 2026-07-13
Impact of Adverse Events on Costs and Length of Stay Following Transcatheter Tricuspid Valve Replacement.
Matthew R Reynolds, Pinak B Shah, Susheel K Kodali, Rebecca T Hahn, Vinod H Thourani
Structural Heart. 2026-07-01

Journal Articles

Original Investigation Stroke After Surgical Versus Transfemoral Transcatheter Aortic Valve Replacement in the PARTNER Trial
Eugene H Blackstone, Vinod H Thourani, Howard C Herrmann, David J Cohen, Michael J Mack, Raj R Makkar, Samir R Kapadia, Susheel K Kodali, Lars G Svensson, Molly Szerli..., ScienceDirect
Prosthesis–Patient Mismatch in 62,125 Patients Following Transcatheter Aortic Valve Replacement
Howard Herrmann, MD, JACC: Cardiovascular Imaging
Clinical Research the Effect of Post-Dilatation on Outcomes in the PARTNER 2 SAPIEN 3 Registry
Samir Kapadia, Rebecca T Hahn, Tamim Nazif, Susheel Kodali, Howard C Herrmann, Vinod H Thourani, ScienceDirect

Lectures

Advances in Transseptal Transcatheter Mitral Valve Replacement
CRF Transcatheter Cardiovascular Therapeutics - Annual Symposium 2019 - Miami, FL - 9/27/2019
TAVR in Low-Flow Low-Gradient AS: Case Presentation(s), Diagnostic Algorithms, and Management Strategies
CRF Transcatheter Cardiovascular Therapeutics - Annual Symposium 2019 - Miami, FL - 9/26/2019
What Are the Essential Echocardiographic Characteristics for MitraClip in DMR? (With Case Examples)
CRF Transcatheter Cardiovascular Therapeutics - Annual Symposium 2019 - Miami, FL - 9/26/2019

Authored Content

Prosthesis–Patient Mismatch in Patients Undergoing Transcatheter Aortic Valve ReplacementDecember 2018
Prosthesis–Patient Mismatch in Patients Undergoing Transcatheter Aortic Valve ReplacementDecember 2018
Prosthesis–Patient Mismatch in 62,125 Patients Following Transcatheter Aortic Valve ReplacementSeptember 2018

Press Mentions

Better Hemodynamics with Self-Expanding Valves in Small Annuli at 3 Years: SMARTMay 20th, 2026
SMART Update: Self-Expanding TAVR Valves Still Linked to Superior Durability After 3 YearsMay 20th, 2026
Five-Year Outcomes of TAVR vs Surgery in Low-Risk PatientsMay 22nd, 2025