A photo of David Morales.

Director, Congenital Heart Surgery, Heart Institute

Clark-Helmsworth Chair of Cardiovascular Surgery

Professor, UC Department of PediatricsUC Division of Surgery


Board Certified

My Biography & Research

Clinical Interests

Congenital heart surgery; heterotaxy syndrome; pediatric heart and lung transplantation; mechanical circulatory support

Research Interests

Clinical and translational research related to mechanical circulatory support and tissue engineering

Academic Affiliation

Professor, UC Department of PediatricsUC Division of Surgery


Heart, Heart Failure, Lung Transplant, Cardiothoracic Surgery, Cardiomyopathy, Fetal Heart Program, Cardiothoracic Surgery, Heart

My Locations

My Education

MD: Yale University School of Medicine, New Haven, CT.

Residency: General and cardiothoracic surgery, New York-Presbyterian Medical Center, Columbia University, New York, NY.

Fellowships: Congenital heart surgery, Texas Children’s Hospital, Baylor University, Waco, TX.

Board certifications: Surgery, thoracic surgery, congenital heart surgery.

My Publications

Atrioventricular Valve Regurgitation in Single Ventricle Heart Disease: A Common Problem Associated With Progressive Deterioration and Mortality. Tseng, SY; Siddiqui, S; Di Maria, MV; Hill, GD; Lubert, AM; Kutty, S; Opotowsky, AR; Possner, M; Morales, DL S; Quintessenza, JA; et al. Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease. 2020; 9.

The reality of limping to pediatric heart transplantation. Riggs, KW; Zafar, F; Lorts, A; Chin, C; III, BR; Tweddell, JS; Morales, DL S. Journal of Thoracic and Cardiovascular Surgery. 2020; 159:2418-2425.e1.

Early experience with the HeartMate 3 continuous-flow ventricular assist device in pediatric patients and patients with congenital heart disease: A multicenter registry analysis. O'Connor, MJ; Lorts, A; Davies, RR; Fynn-Thompson, F; Joong, A; Maeda, K; Mascio, CE; McConnell, PI; Monge, MC; Nandi, D; et al. Journal of Heart and Lung Transplantation. 2020; 39:573-579.

Commentary: The environment matters: The effects of passive circulation are not quickly reversed by a change of heart. Thangappan, K; Morales, DL S. Journal of Thoracic and Cardiovascular Surgery. 2020; 159:2001-2002.

Pediatric heart-lung transplantation: A contemporary analysis of outcomes. Riggs, KW; Chapman, JL; Schecter, M; Towe, C; Zafar, F; Morales, DL S. Pediatric Transplantation. 2020; 24.

Commentary: The tortoise and the hare: Does speed matter in pediatric VAD therapy?. Villa, CR; Morales, DL S. Journal of Thoracic and Cardiovascular Surgery. 2020; 159:1528-1529.

Welcome to the 16th International Conference on Pediatric Mechanical Circulatory Support Systems and Pediatric Cardiopulmonary Perfusion. Thangappan, K; Barnes, A; Lorts, A; Morales, DL S; Undar, A. Artificial Organs: replacement, recovery, and regeneration. 2020; 44:355-360.

Heart Transplantation in Muscular Dystrophy Patients: Is it a Viable Option?. Wells, D; Rizwan, R; Jefferies, JL; III, BR; Ryan, TD; Lorts, A; Chin, C; Zafar, F; Morales, DL. Circulation: Heart Failure. 2020; 13.

The Creation of a Pediatric Health Care Learning Network: The ACTION Quality Improvement Collaborative. Lorts, A; Smyth, L; Gajarski, RJ; VanderPluym, CJ; Mehegan, M; Villa, CR; Murray, JM; Niebler, RA; Almond, CS; Thrush, P; et al. ASAIO Journal. 2020; 66:441-446.

Stroke on Mechanical Support: Similar Survival but Higher Risk of Stroke Post-Transplant. Zafar, F; Haney, L; Riggs, K; Thangappan, K; Chen, S; Mehegan, M; VanderPluym, C; Peng, D; Lorts, A; Morales, DL. Journal of Heart and Lung Transplantation. 2020; 39:S467-S467.