Dr. Atanu Saha

Dr Atanu Saha is a senior cardiac surgeon in Kolkata with 31 years of experience in complex aortic surgery, adult high-risk cardiac surgery, valve surgery, and coronary artery bypass grafting.

He holds an FRCS from the Royal College of Surgeons, Edinburgh, a DNB in Cardiothoracic and Vascular Surgery from the National Board of Examinations, and completed a Fellowship in Adult Cardiac Surgery at Massachusetts General Hospital, Boston, USA.

Patients seeking a trusted cardiac surgeon in Kolkata, expert aortic surgery in Kolkata, or advanced CABG surgery in Kolkata will find Dr Saha serving as Senior Consultant at NH Rabindranath Tagore International Institute of Cardiac Sciences, Mukundapur, Kolkata.

He previously served as Junior Attending Cardiac Surgeon at Lenox Hill Hospital, New York, USA, bringing direct international high-volume cardiac surgical exposure to his practice.

He consults in English, Bengali, and Hindi, ensuring clear communication for patients across West Bengal and beyond.

Specialty Areas and Treatments

Dr Atanu Saha manages the most complex spectrum of adult cardiac surgical conditions through open, minimally invasive, and endovascular approaches with a focused subspecialty interest in aortic surgery and high-risk cardiac cases.

Complex Aortic Surgery in Kolkata

Dr Saha has a dedicated subspecialty focus on the full range of aortic surgical conditions. His published blog work and YouTube health education content further reflect his depth in this domain:

• Aortic Dissection Repair for Type A and Type B aortic dissections
• Total Aortic Arch Repair for arch aneurysms and dissections
• Frozen Elephant Trunk Repair for extensive thoracic aortic disease
• Bentall Procedure for aortic root and ascending aorta replacement
• Aortic Aneurysm Surgery for thoracic and thoracoabdominal aneurysms
• Thoracoabdominal Aortic Aneurysm Repair
• Pseudoaneurysm Management
• Coarctation of Aorta Repair

Complex Endovascular Repairs

Dr Saha performs complex endovascular procedures for aortic and vascular conditions:

• Complex Endovascular Aortic Repair (EVAR and TEVAR)
• Endovascular Management of Aortic Aneurysms
• Hybrid Aortic Procedures combining open and endovascular approaches

Coronary Artery Surgery in Kolkata

Dr Saha performs coronary artery bypass surgery including total arterial revascularisation techniques:

• Coronary Artery Bypass Grafting (CABG) for coronary artery disease
• Total Arterial CABG for optimal long-term graft outcomes
• Redo CABG for reoperative coronary cases
• Off-Pump CABG without cardiopulmonary bypass
• High-Risk CABG for complex and multi-vessel disease

Valve Surgery in Kolkata

Dr Saha performs comprehensive valve repair and replacement procedures including complex and reoperative cases:

• Heart Valve Replacement for mitral, aortic, and tricuspid valves
• Complex Valve Repairs including repair of degenerate and rheumatic valves
• Redo Valve Surgery for reoperative cases
• Combined CABG and Valve Surgery
• Left Ventricular Aneurysm Repair in ischaemic cases

Mechanical Circulatory Support and Heart Transplantation

Dr Saha manages advanced heart failure through mechanical and transplant-based surgical approaches:

• Mechanical Circulatory Assist Devices (LVAD and BIVAD)
• Heart Transplantation surgical management
• ECMO Support for cardiogenic shock and post-cardiotomy failure

Minimally Invasive Cardiac Surgery (MICS)

Dr Saha performs minimally invasive cardiac surgical procedures through smaller incisions:

• Minimally Invasive Valve Surgery
• Minimally Invasive CABG
• Minimally Invasive Aortic Surgery

Surgical Pulmonary Embolectomy

Dr Saha manages acute and chronic thromboembolic pulmonary conditions through surgical intervention:

• Surgical Pulmonary Embolectomy for massive pulmonary embolism
• Pulmonary Endarterectomy for chronic thromboembolic pulmonary hypertension

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.