A second or redo bypass surgery is needed if blockages develop after the first surgery. It is complex and risky because after the first surgery, the heart and lungs stick to the breast bone. A beating heart surgery using arterial grafts reduces the risk of a redo bypass surgery. At Apollo Hospitals,Chennai redo bypass surgery is also performed 'Off-Pump', thereby suggesting the competence of the team led by Cardio-vascular Thoracic Surgeon, Dr. Salgunan.N. Re-redo bypass surgery
Owing to the complications, a third bypass surgery is very rare.