Heart Bypass Surgery in Delhi
India is one of the leading medical tourism destinations. Every year, many people travel to the country for affordable medical treatments. Patients can find the best cardiac surgeons in India who can perform various complex heart surgeries successfully. There are many best heart surgery hospitals in India with the latest technologies and all the essential amenities for a comfortable stay of the patient.
Coronary Artery Bypass Grafting, commonly known as Bypass Surgery, is a surgical treatment for redirecting blood flow around blocked arteries pumping blood and oxygen to the heart. A cardiac surgeon who discovers and treats diseases related to the heart, lungs, and other thoracic organs, performs heart bypass surgery in any of the two ways explained below:
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Beating Heart Bypass Surgery is a form of CABG that takes place when the heart is still beating and does not involve a heart-lung machine. The operated area of the heart is put out of action while the surgery is being performed with the help of a stabilization device. Today this method is quite common to treat blocked arteries.
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Cardiopulmonary Bypass (CPB) is a traditional treatment in which the heart-lung machine temporarily takes over the function of the heart and lungs during the surgery.

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When is Beating Heart Bypass Surgery needed?
When a person develops atherosclerosis in which plaque deposits inside your arteries narrowing them, stopping the constant supply of blood and oxygen to the heart. It leads to developing coronary artery disease. When atherosclerosis becomes severe hampering the supply of oxygen-rich blood to the heart muscles, it causes chest pain that leads to an ailment called angina. The heart specialist may recommend heart bypass surgery in the following cases:
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There are more than one blocked artery supplying blood to the heart.
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When other treatments fail like medications, angioplasty, or a failed angioplasty to treat blocked arteries.
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When angina becomes severe and your heart muscles don’t get enough oxygen even while performing a light activity or during rest.
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In case of emergencies such as a heart attack which may prompt the need for CABG.
What are the risks associated with heart bypass surgery?
Like any other major surgery, CABG is an open heart surgery that may create complications during or after the surgery depending on the status of the patient prior to the surgery. Although the risk may become higher if the surgery happens in an emergency.
Other possible risks include:
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Infection around the chest
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Stroke
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Heart rhythm problems
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Memory loss
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Cognitive abilities
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Chest pain
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Fever
What are the after-effects of heart bypass surgery?
After surgery, most people stay healthy and remain symptom-free for 10 to 15 years. However, there might be a possibility that the other arteries or the grafted one will become clogged, leading to another bypass or angioplasty. The outcomes totally depend on medications to prevent blood clots, control diabetes, lower blood pressure, lower cholesterol as directed by the physician. In addition to taking medications, the patient also needs to follow other instructions, including:
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Following a healthy lifestyle
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Stop smoking
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Exercise regularly
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Stress management
Who is the best cardiac surgeon in New Delhi?
Trusted NABH and JCI accredited hospitals such as Fortis network, Apollo network, Medanta, BLK Super Specialty, Artemis, and more have highly-qualified and well-experienced cardiac surgeons.
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Dr. Ashok Seth: He is a respected cardiac surgeon in India having a thriving experience of 38 years. He has performed over 50,000 angiograms and 20,000 angioplasties. He has been featured in the LIMCA book of records for performing the highest number of angioplasties and angiographies in the world.
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Dr. Naresh Trehan: He is the Chairman and chief cardiac surgeon at Medanta - The Medicity Gurgaon. He has performed more than 40,000 heart surgeries in his career of 40 years. His expertise lies in Cardiomyoplasty, myocardial total arterial revascularization, transmyocardial laser revascularization, Reduction ventriculoplasty (Batista Operation), Heart port access surgery, and robotically-assisted cardiac surgery.
Outlook:
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Written by
Neha Jaswal
Vaidam Health · Updated 25 Sept 2026
Content meets the Vaidam Policy and is medically reviewed

Medically reviewed by
Dr. Bhawana Mittal