Dr. Krishna Subramony Iyer
Verified Specialist

Dr. Krishna Subramony Iyer

Chairman & Head of Paediatric and Congenital Heart Surgery

Paediatric Cardiac Surgeon

Fortis Escorts Heart Institute New Delhi, India 42+ Years Experience
4.9

265 verified reviews

265

Recent Consultations

About Dr. Krishna Subramony Iyer

Dr. Krishna Subramony Iyer is the Chairman and Head of Paediatric and Congenital Heart Surgery at Fortis Escorts Heart Institute in New Delhi, India. A distinguished cardiac surgeon with over 42 years of clinical experience, he holds the MBBS, MS, and MCh degrees from the All India Institute of Medical Sciences (AIIMS), New Delhi, one of India's most prestigious medical institutions. He is widely recognized as one of India's foremost authorities in paediatric cardiac surgery and a trusted leader in the surgical care of children with complex heart conditions.

Dr. Iyer's surgical expertise spans the complete spectrum of congenital and paediatric cardiac procedures. He specializes in open-heart surgery for infants and children, neonatal cardiac surgery, arterial switch operations, Fontan and Glenn procedures, and repair of major defects including tetralogy of Fallot (TOF), atrial septal defect (ASD), and ventricular septal defect (VSD). His high-volume practice, combined with a methodical approach to complex cases, has established him as a surgeon of choice for families navigating the most challenging congenital heart diagnoses.

Dr. Iyer has built a significant international patient practice, treating families from across the Gulf region, East Africa, and South Asia who seek specialized paediatric cardiac care. His team at Fortis Escorts manages cases with sensitivity and cultural awareness, providing comprehensive support throughout the surgical journey. Patients and families appreciate his compassionate bedside manner and clear communication, particularly when discussing surgical options and recovery expectations with parents of very young patients.

Fortis Escorts Heart Institute is a JCI-accredited cardiac specialty centre equipped with state-of-the-art operating theatres, advanced imaging (CT, echocardiography, catheterization labs), and dedicated paediatric intensive care units capable of managing the most complex post-operative cases. The hospital's commitment to international standards and English-speaking medical teams makes it an accessible destination for families from the Middle East, Africa, and beyond. New Delhi itself offers excellent connectivity via multiple international airports, reducing travel time and facilitating smooth medical tourism experiences.

For international families seeking expert paediatric cardiac surgery, Dr. Iyer's combination of decades of surgical mastery, institutional support at a JCI-accredited centre, and proven experience with cross-border patients provides confidence in outcomes. Gaf Healthcare can guide families through initial consultation, visa support, and post-operative follow-up coordination.

Conditions Treated by Dr. Krishna Subramony Iyer

  • Tetralogy of Fallot (TOF)
  • Atrial Septal Defect (ASD)
  • Ventricular Septal Defect (VSD)
  • Transposition of the Great Arteries (TGA)
  • Neonatal congenital heart disease
  • Complex congenital heart lesions
  • Heart valve abnormalities in children
  • Hypoplastic left heart syndrome
  • Pulmonary stenosis
  • Patent ductus arteriosus (PDA)

Areas of Interest

  • Paediatric Open Heart Surgery
  • Neonatal Cardiac Surgery
  • Congenital Heart Disease Management
  • TOF Repair Surgery
  • ASD Surgical Closure
  • VSD Surgical Closure
  • Arterial Switch Operation
  • Fontan Procedure
  • Glenn Procedure
  • Heart Valve Repair Surgery

Qualifications

  • MBBSAll India Institute of Medical Sciences (AIIMS), New Delhi
  • MSAll India Institute of Medical Sciences (AIIMS), New Delhi
  • MChAll India Institute of Medical Sciences (AIIMS), New Delhi

Work Experience

  • Chairman & Head of Paediatric and Congenital Heart Surgery, Fortis Escorts Heart Institute, New Delhi, India — Present
  • Paediatric Cardiac Surgeon, Fortis Escorts Heart Institute, New Delhi, India — 42+ years of experience
  • Specialist in open-heart surgery and neonatal cardiac surgical procedures across multiple centres in India

Certifications (3)

  • MBBS (Bachelor of Medicine, Bachelor of Surgery)

    All India Institute of Medical Sciences (AIIMS), New Delhi

  • MS (Master of Surgery)

    All India Institute of Medical Sciences (AIIMS), New Delhi

  • MCh (Master of Chirurgiae) — Cardiothoracic Surgery

    All India Institute of Medical Sciences (AIIMS), New Delhi

Memberships (0)

    Research Papers & Publications (5)

    Outcomes of arterial switch operation in transposition of the great arteries: a 15-year institutional review

    Indian Heart Journal2018

    Fontan procedure in complex single ventricle physiology: surgical technique and mid-term outcomes

    Journal of Cardiac Surgery2019

    Neonatal cardiac surgery: risk stratification and perioperative management in India

    Annals of Pediatric Cardiology2020

    Long-term follow-up of ventricular septal defect repair in paediatric patients

    Journal of Thoracic and Cardiovascular Surgery2017

    Management of complex congenital heart disease in resource-limited settings

    Cardiology in the Young2021

    Procedures

    Arterial Switch Operation (ASO) for Transposition of Great Arteries Tetralogy of Fallot (TOF) Repair Atrial Septal Defect (ASD) Surgical ClosureVentricular Septal Defect (VSD) Repair Fontan Procedure for single ventricle physiology Glenn Procedure for congenital heart diseaseNeonatal open-heart surgery Valve repair and replacement in paediatric patientsComplex congenital heart lesion correctionPatent ductus arteriosus (PDA) ligation

    Frequently Asked Questions

    International families can book a consultation with Dr. Iyer through Gaf Healthcare's dedicated international patient desk. We offer initial video consultations via secure platforms, document review of medical records and imaging, and detailed case assessment by Dr. Iyer's team. Contact us via WhatsApp, email, or our website to arrange your first appointment. Our team also handles visa facilitation and travel coordination for families coming to New Delhi.