About the Doctor
Dr. Krishna Subramony Iyer is one of India’s most respected paediatric cardiac surgeons and a pioneer in congenital heart surgery. With more than four decades of experience, he has played a major role in developing paediatric cardiac surgery programs in India and improving survival rates for children with complex heart defects.
He specializes in surgical correction of congenital heart diseases in newborns, infants, children, and adults with congenital conditions. Dr. Iyer is particularly known for managing highly complex neonatal cases and rare heart anomalies that require advanced surgical expertise.
Throughout his career, he has trained many surgeons and contributed to establishing structured paediatric cardiac care systems across the country. Parents from India and abroad seek his care for both routine and high-risk congenital heart procedures.
Current Organization
Dr. Krishna Subramony Iyer is currently working as Chairman & Head — Paediatric and Congenital Heart Surgery at Fortis Escorts Heart Institute, Okhla, New Delhi, India.
Experience
Clinical Experience
Dr. Iyer has over 40 years of experience in paediatric and congenital cardiac surgery and has performed a very high volume of complex procedures.
- Neonatal cardiac surgery for critical congenital heart defects
• Management of complex cyanotic heart diseases
• Surgery for single ventricle physiology
• Corrective procedures for congenital anomalies in children and adults
• High-risk and redo congenital heart surgeries
Surgeries & Procedures Performed
- Ventricular Septal Defect (VSD) repair
• Atrial Septal Defect (ASD) repair
• Tetralogy of Fallot correction
• Arterial switch operations
• Fontan procedure
• Glenn shunt procedures
• Surgery for Transposition of the Great Arteries
• Complex neonatal heart surgeries
• Redo congenital heart surgeries
Areas of Expertise
- Paediatric cardiac surgery
• Congenital heart disease surgery
• Neonatal cardiac surgery
• Single ventricle surgery
• Complex congenital heart repair
• Adult congenital heart surgery
Education & Training
- MBBS — University of Kerala, India
• MS (General Surgery) — All India Institute of Medical Sciences (AIIMS), New Delhi
• M.Ch. (Cardiothoracic & Vascular Surgery) — AIIMS, New Delhi
Professional Memberships
- Indian Association of Cardiovascular & Thoracic Surgeons
• Pediatric Cardiac Society of India
• International Society for Congenital Heart Surgery
• World Society for Pediatric and Congenital Heart Surgery
Awards & Recognitions
Dr. Krishna Subramony Iyer has received numerous national honors for his contributions to paediatric cardiac surgery and is widely recognized as one of the key figures who advanced congenital heart surgery in India.
Hospitals
Fortis Escorts Heart Institute
🏥 Fortis Escorts Heart Institute 📍 New Delhi, India
Procedures
- Ventricular Septal Defect (VSD) repair
- Atrial Septal Defect (ASD) repair
- Tetralogy of Fallot correction
- Arterial switch operations
- Fontan procedure
- Glenn shunt procedures
- Surgery for Transposition of the Great Arteries
- Complex neonatal heart surgeries
- Redo congenital heart surgeries
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