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Texas Medical Center

Congenital Heart Surgery
Phone: 832-826-2030 (CHS)
Fax: 832-825-1904


6651 Main Street
Legacy Tower, 21st Floor
Houston, TX 77030

Iki Adachi, MD

Surgical Director, Heart Transplant and Mechanical Circulatory Support

Clayton Endowed Chair in Cardiac Transplant and Mechanical Support
Associate Professor, Surgery and Pediatrics, Baylor College of Medicine


School Education Degree Year
Royal Brompton Hospital, London Fellowship Cardiac Morphology 2008
Osaka University Medical School Fellowship Cardiovascular Surgery 2006
National Cardiovascular Center Residency Cardiovascular Surgery 2005
Osaka Rosai Hospital Residency General Surgery 2003
Osaka University Medical School Internship Surgery 2001
Osaka University Medical School Medical School Doctor of Medicine 2000


Dr. Adachi is a board-certified cardiac surgeon specialized in congenitally malformed hearts both in pediatric and adult patients. Dr. Adachi performs a full range of congenital heart surgeries, including neonatal single ventricle repairs and reoperative procedures in adults with history of previous cardiac repairs. Dr. Adachi is recognized as one of the few leading surgeons worldwide in the field of surgical heart failure management, including heart transplant and mechanical circulatory support. Dr. Adachi also has a surgical expertise in pediatric lung transplant. Dr. Adachi’s academic interest includes the development of mechanical circulatory support devices for pediatric patients, such as implantable ventricular assist devices and total artificial heart supported with federal grants through U.S. National Institutes of Health*1. Dr. Adachi has also a long-standing interest in translational research with his basic science partners at Baylor College of Medicine; one of their collaborative works culminated in a recent publication in Nature*2, the most prestigious journal in science.

*1 The miniaturized pediatric continuous-flow device: Preclinical assessment in the chronic sheep model. J Thorac Cardiovasc Surg. 2017;154:291-300.

*2 Integrated multiomic characterization of congenital heart disease. Nature. 2022 Jun 22. doi: 10.1038/s41586-022-04989-3.

View News Articles:

An unprecedented bridge to a heart transplant for Katlyen

Houston girl first child in the country to get life-saving implant 


Organization Name Role
American Association of Thoracic Surgery Member
American Society for Artificial Internal Organs Member
European Association of Cardio-Thoracic Surgery Member
International Society of Heart and Lung Transplantation Member
Japanese Association of Thoracic Surgery Member
Japanese Society for Cardiovascular Surgery Member
Korean Society of Cardiology Honorary Member
Society of Thoracic Surgeons Member

Selected Publications

Adachi I, Zea-Vera R, Tunuguntla H, Denfield SW, Elias B, John R, Teruya J, Fraser CD Jr. Centrifugal-flow ventricular assist device support in children: A single-center experience. J Thorac Cardiovasc Surg. 2019;157:1609-1617.

Adachi I. Ventricular assist device support for complex congenital heart disease: Inspiration from history of surgical evolution. J Heart Lung Transplant. 2019;38:431-432.

Adachi I. Pediatric ventricular assist device support as a permanent therapy: Clinical reality. J Thorac Cardiovasc Surg. 2019;158:1438-1441.

Spigel ZA, Qureshi AM, Morris SA, Mery CM, Sexson-Tejtel SK, Zea-Vera R, Binsalamah ZM, Imamura M, Heinle JS, Adachi I. Right Ventricle-Dependent Coronary Circulation: Location of Obstruction Is Associated With Survival. Ann Thorac Surg. 2020;109:1480-1487.\

View PubMed Publications


English, Japanese

* Texas Children's Hospital physicians' licenses and credentials are reviewed prior to practicing at any of our facilities. Sections titled From the Doctor, Professional Organizations and Publications were provided by the physician's office and were not verified by Texas Children's Hospital.