Wednesday, June 29, 2016

An Insight into Bypass Surgery in India

Bypass Surgery in India costs a fraction of what it does in developed countries. This does not mean that the quality is compromised. Cardiac surgeons in India are well renowned and hospitals offer the latest in technologies.

What is Bypass Surgery?
Bypass Surgery is a critical operation where the clogged arteries of the heart are bypassed. Blood vessels from another part of the body are taken and used to reroute the blood away from the damaged arteries.

                                              
When is it required?
The blockage is mainly due to fatty deposits called 'plaques.' Since there is not enough blood flow to the heart, the muscles fail to pump. This is particularly critical if the blood flow to the left ventricles has lessened due to the clogged blood vessels. The left ventricle is a heart chamber, which mainly supplies blood to the whole body. So the reduced blood supply can lead to a major heart attack, which can be fatal.

Types of Bypass Surgeries:
Coronary Artery Bypass Grafting or CABG is the more commonly used term for bypass surgery. The different types of surgeries are
  • Conventional CABG,
  • Beating Heart Bypass Surgery,
  • Minimally Invasive Cardiac Surgery and
  • Trans Myocardial Laser Revascularization.
Of these various procedures, the last two use latest technology and are now being performed in renowned City hospitals in India.

Conventional CABG
In conventional CABG, the patient is put under anesthesia for 2-3 hours. Then a cut is made on the leg and a length of vein is removed. The length of this vein depends on the number of bypasses being performed. If it is a double bypass operation, then the length of the vein required is lesser than that of a triple bypass surgery. The number, of course, refers to the number of arteries being bypassed.

The surgeon cuts open the main breast bone called as the sternum. A heart-lung machine is used to supply blood to the rest of the body, while the heart is stopped for operation. The left internal mammary artery (LIMA) is grafted with the left anterior descending artery. After the operation, the patient is kept under observation for 4-5 days.

Beating Heart Bypass Surgery
The Beating Heart Bypass Surgery does not use the heart-lung machine to provide oxygen-laden blood during the operation. The beating might be slowed down with the help of a stabilization system, but never completely stopped. This is done with the help of a heart positioner and a tissue stabilizer.

Minimally Invasive Cardiac Surgery
Minimally Invasive Cardiac Surgery is done with the least amount of scarring as a very small incision is made. This is much preferable to an open heart surgery, as it is performed without the heart-lung machine and the length of the incision is very small compared to conventional CABG. The length is 3 to 5 inches compared to 10 to 12 inches. The post-operation pain is also significantly less, as well as less scarring. 

Trans Myocardial Laser Revascularization
If the patient is not eligible for open-heart surgery, Trans Myocardial Laser Revascularization may be performed as a last resort. This procedure aims to increase blood flow to the areas of the heart where blood flow is less; even after receiving conventional treatment. A computerized CO2 laser is used to create channels in the heart, to improve blood circulation. The number of channels to be created is decided on by the surgeon.

Bypass surgery in India is high quality and low cost, compared to the rest of the world. This has led to “medical tourism” where people from the rest of the world, who cannot afford to pay for such an expensive treatment in their own countries, come to India for treatment.
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