Dr. Krishna S Iyer

About Doctor

. Krishna Subramony Iyer is a globally renowned Paediatric & Congenital Heart Surgeon and currently serves as Chairman & Head of Paediatric and Congenital Heart Surgery at Fortis Escorts Heart Institute. With over 40+ years of experience, he is considered one of India’s leading specialists in complex congenital heart surgeries for newborns, infants, and children. He is a pioneer in paediatric cardiac care and established North India’s first dedicated paediatric cardiac program in 1995, which has become a benchmark for child heart care across India and neighbouring regions.
Clinical Experience & Procedure Volume Total Congenital Heart Surgeries: 10,000+ successful operations, Neonatal & Infant Cardiac Surgeries: 4,000+ procedures, Arterial Switch & Double Switch Operations: 1,000+ cases, Tetralogy of Fallot (TOF) Repairs: 2,000+ procedures, Complex Congenital Repairs (TAPVC, DORV, Truncus, Fontan, etc.): 3,000+ cases, Single-Stage & Multi-Stage Congenital Surgeries: 2,000+ procedures Patients Treated Per Year Approx. 4,000 – 6,000+ paediatric patients annually, including consultations, surgeries, and follow-ups
Field of Expertise
Paediatric & Neonatal Cardiac Surgery, Complex Congenital Heart Defect Repairs, Arterial Switch & Double Switch Procedures, Tetralogy of Fallot (TOF), TAPVC, DORV, Truncus Corrections, Fontan & Single Ventricle Surgeries And, Cardiac Surgery in High-Risk & Malnourished Children

Qualification

Awards & Recognitions

Dr. Iyer has made several groundbreaking contributions, including performing the first successful rapid two-stage arterial switch and double-switch operation in India. He trained at All India Institute of Medical Sciences and further specialized at the Royal Children’s Hospital, Melbourne, Australia under world-renowned experts. Beyond clinical work, he is deeply involved in charitable initiatives such as the Rotary International “Gift of Life” program, helping provide life-saving heart surgeries to underprivileged children. His unmatched experience, surgical excellence, and dedication to improving paediatric cardiac care make him one of the most trusted names for congenital heart treatment in India and internationally.