Dr. Atanu Saha

Dr Atanu Saha is a highly distinguished, internationally trained medical professional, bringing 31 years of immense clinical experience to the highly specialised field of complex adult cardiac surgery.

He currently serves as a Senior Consultant in Adult Cardiac Surgery at the premier NH Rabindranath Tagore International Institute of Cardiac Sciences (RTIICS) in Mukundapur, and Narayana Clinic in Kasba, Kolkata.

Backed by a phenomenal academic foundation, he holds an MS in General Surgery, a DNB in Cardiothoracic and Vascular Surgery, and a highly prestigious FRCS from the Royal College of Surgeons, Edinburgh.

Showcasing his global surgical mastery, Dr Saha completed a Fellowship in Adult Cardiac Surgery at Massachusetts General Hospital, Boston, USA, and served as a Junior Attending Cardiac Surgeon at Lenox Hill Hospital, New York—a distinction shared by very few cardiac surgeons practising in India today.

Universally recognised for his authoritative clinical approach toward managing complex aortic dissections, high-risk CABG, and heart failure, he consults fluently in English, Bengali, and Hindi.

Specialty Areas and Treatments

Dr Atanu Saha provides highly precise, patient-centric, and life-saving surgical interventions for individuals battling severe coronary blockages, catastrophic aortic aneurysms, and advanced heart failure across Kolkata.

Complex Aortic Surgery and Endovascular Repair

Patients suffering from life-threatening Aortic Aneurysms, extensive Aortic Dissections (Type A and B), or severe thoracic aortic disease demand elite, highly accurate surgical execution. Dr Saha provides authoritative aortic care:

• Advanced Bentall Procedure and Frozen Elephant Trunk Repair
• Total Aortic Arch Repair and Thoracoabdominal Aneurysm Surgery
• Complex Endovascular Aortic Repair (EVAR, TEVAR, and Hybrid approaches)

Coronary Artery Bypass and Revascularisation

Individuals battling severe, multi-vessel Coronary Artery Disease, ischaemic heart failure, or those requiring repeat bypass surgeries require deeply empathetic and precise surgical intervention. Dr Saha offers expert coronary revascularisation:

• Total Arterial Coronary Artery Bypass Grafting (CABG)
• Off-Pump (Beating Heart) CABG without cardiopulmonary bypass
• High-Risk Redo CABG for reoperative coronary cases

Advanced Heart Valve and LV Aneurysm Surgery

Patients diagnosed with severely degenerate or rheumatic Heart Valves (Mitral/Aortic/Tricuspid) or post-heart attack Left Ventricular Aneurysms demand highly decisive, structural medical care. Dr Saha provides elite valvular and structural interventions:

• Complex Heart Valve Repair and Replacement surgeries
• Redo Valve Surgery for highly complex reoperative cases
• Precision Left Ventricular Aneurysm Repair in ischaemic cases

Mechanical Circulatory Support and Embolectomy

Individuals struggling with end-stage Heart Failure, severe Cardiogenic Shock, or massive Pulmonary Embolism (blood clots in lungs) require highly specialised, immediate life-saving oversight. Dr Saha is an expert in advanced circulatory support:

• Mechanical Circulatory Assist Devices (LVAD and BIVAD implantation)
• Comprehensive Heart Transplantation surgical management
• Surgical Pulmonary Embolectomy and ECMO support

Qualifications

• MBBS from University of Calcutta (1995)
• MS General Surgery from University of Calcutta (1999)
• FRCS from Royal College of Surgeons, Edinburgh
• DNB Cardiothoracic and Vascular Surgery from National Board of Examinations, New Delhi
• Fellowship in Adult Cardiac Surgery, Massachusetts General Hospital, Boston, USA

Dr Saha holds active medical council registration with the West Bengal Medical Council (Reg. No. 52421, 1995), supporting his current practice as a cardiac surgeon in Kolkata.

His subsequent role as Junior Attending Cardiac Surgeon at Lenox Hill Hospital, New York, USA extended his international surgical experience in a high-volume American tertiary cardiac centre, a distinction shared by very few cardiac surgeons practising in India today.

Research and Publications

Dr Atanu Saha has peer-reviewed publications in indexed national and international journals with 90 citations across global cardiac surgical literature. His work spans complex aortic surgery, coronary revascularisation, valve surgery, and cardiac oncology:

• Myxofibrosarcoma or Myxoma: Malignant Transformation or Misdiagnosis, Indian Journal of Thoracic and Cardiovascular Surgery, January 2022
• Cardiac Myxofibrosarcoma: The Diagnostic Dilemma, Indian Journal of Thoracic and Cardiovascular Surgery, March 2022
• On-Pump Beating Heart versus Off-Pump Myocardial Revascularization: A Propensity-Matched Comparison, Indian Journal of Thoracic and Cardiovascular Surgery, October 2021
• Mid-Term Clinical and Health-Related Quality of Life Outcomes for the Trifecta Bioprosthesis, Indian Journal of Thoracic and Cardiovascular Surgery, April 2021
• Combined Single-Stage Approach for Repair of Extensive Aortic Pathologies: Our Initial Experience, Indian Journal of Thoracic and Cardiovascular Surgery, June 2025
• Comparative Analysis of Cardiac Surgical Outcomes Across Different Healthcare Funding Modalities: A Comprehensive Cohort Study, Indian Journal of Thoracic and Cardiovascular Surgery, June 2025

His Narayana Health blog contributions include:

• Restoring Heart Health: Complex Surgery Resolves Severe Left Ventricular Aneurysm in a Hypertensive Patient, Narayana Health Blog, April 2025
• Complex Aortic Root and Ascending Aorta Replacement for a Life-Threatening Aneurysm, Narayana Health Blog, March 2025
• Navigating the Risks and Realities of Repeat CABG and Angioplasty Procedures, Narayana Health Blog, November 2024
• Aortic Aneurysms: Symptoms, Diagnosis, and Treatment Options, Narayana Health Blog, September 2024
• DVT to PE: Understanding the Risks and Prevention, Narayana Health Blog, August 202

Professional Memberships

Dr Atanu Saha is a Fellow of the Royal College of Physicians, Edinburgh, reflecting sustained academic and clinical engagement with one of the UK's most prestigious physician bodies.

Hospital Affiliations in Kolkata

Current Practice

• NH Rabindranath Tagore International Institute of Cardiac Sciences, Mukundapur, Kolkata as Senior Consultant, Adult Cardiac Surgery
• Narayana Clinic, Kasba, Kolkata as Senior Consultant

Past Experience

• Lenox Hill Hospital, New York, USA as Junior Attending Cardiac Surgeon
• Massachusetts General Hospital, Boston, USA as Fellow, Adult Cardiac Surgery

About NH Rabindranath Tagore International Institute of Cardiac Sciences

NH Rabindranath Tagore International Institute of Cardiac Sciences (RTIICS), Mukundapur, Kolkata is one of eastern India's most respected dedicated cardiac hospitals, operating under the Narayana Health network.

The institute offers advanced infrastructure for complex cardiac surgery, critical care, cardiac rehabilitation, and catheterisation-based procedures.

It has been the site of multiple surgical firsts in eastern India including the first LVAD, first BIVAD followed by heart transplant, and the first robotic cardiac surgery in the region.

Book an Appointment with Dr Atanu Saha, Cardiac Surgeon in Kolkata

To check consultation fees and book a priority appointment with Dr Atanu Saha at NH Rabindranath Tagore International Institute of Cardiac Sciences, Mukundapur, Kolkata or Narayana Clinic, Kasba, visit HexaHealth.