A diagnosis of severe coronary artery disease often comes with a recommendation for a coronary artery bypass graft (CABG) procedure. In Singapore, where cardiovascular disease remains among the leading causes of hospitalisation, CABG surgery is a well-established and sophisticated intervention to restore proper blood flow to the heart.
For Singaporeans navigating the healthcare system, understanding the procedure, local recovery practices, and financial considerations is essential for informed decision-making.
Back to main channel: Coronary Artery Bypass Graft
Schedule a consultation with a specialist
What is a Coronary Artery Bypass Graft?
The coronary artery bypass graft procedure, commonly known as bypass surgery, treats blockages in the arteries supplying blood to the heart. When arteries narrow due to plaque accumulation, a condition called atherosclerosis, the heart receives insufficient oxygen, leading to chest pain, shortness of breath, or other complications.
During the procedure, a healthy blood vessel is taken from another part of the body, such as:
- Leg (saphenous vein)
- Arm (radial artery)
- Chest (internal mammary artery)
This graft creates a new route for blood to flow, bypassing the blocked segment of the coronary artery.
The Procedure: What to Expect in Singapore
Singaporean hospitals, both restructured and private, follow internationally recognised standards for cardiac surgery. CABG procedures typically involve several stages:
1. Pre-Operative Assessment
Patients undergo thorough evaluations, including electrocardiograms (ECG), echocardiograms, and often a coronary angiogram to locate arterial blockages precisely.
2. Surgical Approaches
The cardiothoracic surgeon may recommend different techniques depending on the patient’s condition:
- On-Pump CABG: The heart is temporarily stopped, and a heart-lung bypass machine maintains circulation.
- Off-Pump CABG (Beating Heart Surgery): Surgery is performed while the heart continues to beat, using specialised stabilising equipment.
- Minimally Invasive CABG: In selected cases, smaller incisions are used to reduce recovery time.
3. Post-Operative Care
After surgery, patients are monitored in the Intensive Care Unit (ICU) before transfer to a high-dependency ward. The average hospital stay in Singapore is five to seven days, depending on recovery speed.
Financing the Procedure in Singapore
The cost of CABG surgery varies based on factors such as hospital type (public or private), ward class, complexity of the procedure, and length of stay.
Singaporeans and Permanent Residents can offset part of the cost through:
- MediShield Life
- Integrated Shield Plans
- Medisave withdrawals (subject to MOH limits and policy coverage)
To know more about costs, refer to our Coronary Artery Bypass Graft Cost: Singapore & Malaysia Pricing 2026 article.
Specialists You May Consider
Choosing the right surgical team is a critical step. Singapore is home to highly experienced cardiothoracic surgeons specialising in CABG surgery. Some specialists you may consider:

For inquiries or for an introduction to a specialist, contact us below:
Recovery and Rehabilitation
Recovery continues after discharge. Many patients participate in Cardiac Rehabilitation programmes offered by hospitals or centres. These programmes provide:
- Supervised exercise sessions
- Dietary counselling
- Stress management support
Rehabilitation helps ensure the long-term success of the bypass and reduces the risk of further heart complications.
Frequently Asked Questions (FAQs)
How long does the coronary artery bypass graft procedure take?
The surgery generally lasts three to six hours, depending on the number of bypasses and the technique used.
Is this surgery a permanent cure for heart disease?
CABG improves blood flow and relieves symptoms but does not cure underlying coronary artery disease. Maintaining a heart-healthy lifestyle and following medical advice is essential.
When can I return to work after surgery?
Patients with desk-based jobs may return to work within six to eight weeks. Physically demanding roles may require a longer recovery period.
Can I use my Medisave for this procedure?
Yes, the procedure is Medisave-claimable, with withdrawal limits set by the Ministry of Health. It is recommended to consult the hospital’s business office for a detailed financial plan.
What are the risks associated with bypass surgery?
As with any major surgery, risks include infection, bleeding, and reactions to anaesthesia. A thorough risk assessment is conducted by the surgeon before the procedure.


