Associate Professor of Surgery
Division of Cardiothoracic Surgery
Baylor College of Medicine

Board Certifications

Board Certified - Surgical Critical Care
American Board of Surgery
Board Certified
American Board of Thoracic Surgery
Board Certified - General Surgery
American Board of Surgery

Clinical Interests


MD from University Of Athens School Of Medicine
Residency at Mount Sinai Hospital
General Surgery
Residency at Providence Hospital And Medical Centers
General Surgery
Fellowship at Arizona Heart Institute
Endovascular Surgery
Residency at Montefiore Hospital And Medical Center
Cardiothoracic Surgery
Fellowship at Cook County Hospital
Trauma/Burn Surgery
Fellowship at Mayo Clinic
Surgical Critical Care

Ourania Preventza MD is an Attending Cardiothoracic Surgeon at Texas Heart Institute, St Luke’s Medical Center and Associate Professor of Surgery in the Department of Surgery, Division of Cardiothoracic Surgery at Baylor College of Medicine in Houston. She received her medical degree from the Medical School University of Athens, Greece, and has completed her internship and residency in general surgery at Mount Sinai Hospital in New York and Providence Hospital in Southfield, Michigan. She has completed a surgical critical care and trauma fellowship at Mayo Clinic in Rochester, Minnesota. She completed her cardiothoracic surgical residency at Albert Einstein/Montefiore Hospital in New York. Dr Preventza completed a year of endovascular surgery and percutaneous catheter interventions at Arizona Heart Hospital with Dr Diethrich. She is working as a surgical partner with Dr Coselli since 2008. She is fellow of the American College of Surgeons and she is board-certified by the American Board of Thoracic Surgery, the American Board of Surgical Critical Care and the American Board of General Surgery.

Dr. Ourania Preventza’s clinical interests include structural heart disease, transcatheter valve therapy, aortic valve repair, aortic surgery open and hybrid techniques, endovascular stent grafting. Her research focuses on the development of percutaneous techniques for valvular and thoracic aortic diseases, aortic root surgery and surgical outcomes.


American College of Surgeons
Society of Thoracic Surgeons
Women in Thoracic Surgery
American Association of University Women
Hellenic Medical Society of New York
New York Academy of Sciences
Athens Medical Association

Honors & Awards

Star Faculty Award for Excellence in Patient Care
Norton Rose Fulbright Faculty Excellence Award for Teaching & Evaluation
Fulbright and Jaworski Award for Development of Enduring Educational Material
Alley-Sheridan Scholarship
Health Care Hero 2018

Selected Publications