By Healthtrip Team Blog Published on - 07 June - 2022

Understanding-Average Life Expectancy After Bypass Surgery

For more than 30 years, coronary artery bypass graft (CABG) surgery has been used to treat symptomatic coronary atherosclerotic heart disease. However, the link between long-term survival after CABG and readily available clinical predictors of mortality has been questioned. Here we’ll explore various queries related to the average life expectancy after bypass surgery.

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Let’s know the various types of bypass surgery:

The outcome and success rate of CABG can vary based on the graft used for the same.

One of the most commonly used grafts is LIMA (left internal mammary artery).

The LIMA (left internal mammary artery) is the most essential and runs on the inside of the chest wall on the left side of the body. This artery is carefully extracted from the chest wall and is nearly always connected to the main artery that travels down the front of the heart, known as the LAD (left anterior descending artery).

The other form of bypass graft we will discuss is an SVG (saphenous vein graft), which is a vein taken from the leg and utilized as a bypass.

Apart from these two, other types of artery bypass that are used for CABG are- radial artery graft and graft taken from the right mammary artery.

Know about the 10 Best Bypass Surgery Hospitals in India.

What can you do if the bypass gets clogged?

Many factors influence the decision to treat blocked bypasses. Often, the obstruction is silent and without symptoms, in which case no therapy is required. Some bypass graft blockages will cause symptoms such as chest pain, shortness of breath, or heart failure, in which case additional examination and a choice of the best treatment can be made based on the findings of tests such as stress tests and angiograms.

Some of these bypass obstructions may manifest as a heart attack, in which case the blockages are frequently addressed with stents and medications.

For how long does the bypass surgery last?

If a patient has a LIMA bypass, it is over 90% likely that it will remain open even after 10 years, which is fantastic. The bypasses for the other blockages where an SVG graft is employed are roughly half as likely to remain open after 10 years. If grafts fail, it is not always a disaster; there are frequently effective therapy options.

Also, Read - Bypass Surgery Recovery at Home

Clinical outcome of patients - 30 to 40 years after bypass surgery:

CABG surgery was first performed approximately 35 years ago, and it has since been established that it reduces angina pectoris and likely improves the quality of life. Long-term survival after CABG surgery was reported to be 33% after 15 years and 20% after 22 years in prospectively examined patient groups, despite the small number of patients reported. Today, it's critical to understand how age and associated patient-specific diseases influence survival rates.

However, long-term survival after CABG is influenced by hypertension, congestive heart failure, diabetes mellitus, previous myocardial infarction, and angina severity.

Also, Read - Heart Bypass Surgery Cost

How can we help with the treatment?

If you are in search of bypass graft treatment in India, we will serve as your guide throughout your treatment and will be physically present with you even before your treatment begins. The following will be provided to you:

  • Opinions of expert physicians and surgeons
  • Transparent communication
  • Coordinated care
  • Prior appointment with specialists
  • Assistance with hospital formalities
  • 24*7 availability
  • Arrangements for travel
  • Assistance for accommodation and healthy recovery
  • Assistance in emergencies

We are dedicated to offering the highest quality health care to our patients. We have a team of highly qualified and devoted healthtrip professionals that will be by your side from the beginning of your journey.


CABG surgery is a procedure used to treat symptomatic coronary atherosclerotic heart disease.
The main types of grafts used are LIMA (left internal mammary artery) and SVG (saphenous vein graft), along with other options like radial artery graft and grafts from the right mammary artery.
LIMA is typically connected to the main artery on the front of the heart (LAD) and provides blood flow to the heart muscle.
Silent blockages may not require treatment, while symptomatic blockages may need further evaluation and treatment, possibly with stents or medications.
LIMA grafts have a high likelihood of remaining open even after 10 years, while other grafts, like SVG, may have a lower success rate.
Long-term survival after CABG surgery can vary but may be influenced by factors like hypertension, congestive heart failure, diabetes, previous heart attacks, and the severity of angina.
You can find information about the top bypass surgery hospitals in India through online research, medical directories, or by seeking recommendations from healthcare professionals.
Patients seeking treatment in India can expect expert opinions, transparent communication, coordinated care, assistance with appointments, help with hospital formalities, travel arrangements, accommodation assistance, 24/7 availability, and emergency support.
ABG surgery can provide long-term relief from symptoms and improve the quality of life for many patients, but individual outcomes may vary depending on various factors, including pre-existing health conditions.
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