Written by Padma Sundareson | 
Medically Reviewed by Dr. Sunil Shroff, MBBS, MS, FRCS (UK), D. Urol (Lond) on Aug 27, 2014

Prognosis, Risks and Complications of Coronary Artery Bypass Surgery

CABG has known to have significant improvements in the patients. Chest pain disappears in almost all of the patients, increasing the quality of life.

Studies have shown that only 3-4% of the patients come back in one year’s time with recurrent symptoms. Also 40% patients are symptom free for almost 10 years. The symptoms are usually of less intensity compared to before surgery. Also, the recurrence of chest pain is more in women than men.

When patients are in need of redo bypass surgery, the success rate is lower than for first operation.

Coronary Artery Bypass Surgery is a major surgical procedure and it carries some risks and complications. These complications are higher in patients who are heavy smokers or if they have a major problem with this other vital organs such as kidneys or lungs or have reduced blood supply to the brain.

Infection and bleeding are examples of risks and complications any surgery may present.

Some of these complications may be uncommon. Complications after surgery include-

  • Ankle swelling
  • Heart Attack
  • Stroke
  • Emboli
  • Arrhythmias
  • Vein graft occlusion
  • Kidney failure or temporary shutdown
  • Death
  • Stress and Depression - could be long-term problem.

Some patients may lose some of their cognitive ability,especially older women, however most will regain it within six to 12 months. Usually bypass surgery will not cause dementia however it may worsen this condition if is is present prior to surgery.

The risk of death from CABG is approx 1%. The main reason of death is heart attacks occurring during or immediately after surgery. Heart attacks occurs in about 5% of the patients.

Neurological complications are minimal and occurs more in women than men, especially elder. Incidence of stroke is about 1-2 %.

Long term studies show that exercise reduces mortality rate by 20%.


  1. Evaluation of indications for PTCA - (http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=Retrieve&db=PubMed&list_uids=9081904&dopt=AbstractPlus)
  2. Cardiothoracic & Vascular surgery in IndiaAchievements & future goals - (http://medind.nic.in/ibq/t05/i2/ibqt05i2p133.pdf)
  3. Coronary Artery Bypass Graft Surgery (CABG) - (http://www.medicinenet.com/coronary_artery_bypass_graft/page4.htm)
  4. Infant undergoes beating heart surgery - (http://www.dnaindia.com/report.asp?NewsID=1093376)
  5. Coronary Artery Bypass Surgery - (http://www.nlm.nih.gov/medlineplus/coronaryarterybypasssurgery.html#cat57)
  6. Clips versus suture technique: is there a difference? - (http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=Retrieve&db=PubMed&list_uids=11109037&dopt=AbstractPlus)


santosa Saturday, October 8, 2011

what is the dental management of patient with history of CABG ??

Urmil44 Wednesday, April 13, 2011

my child had a blockage in his volve by birth. his balooning has been done since he was at the age of 22 days. we are regularly going to dr. for periodically check up as and when suggested. My son is now 11 years old he has no problem except swetting as and when he runs very fast while playing or otherwise. He is living is having good health comparing to a normal child. I just want to clear my doube that in the long run can we have any problem relating to volve in future or he will be alright for ever.

Rowland Sunday, March 7, 2010

I had CABG 13 years ago (at age 69) and it resulted in a stroke that left me with hemiplegia. Now, my angina is returning, but I'm treating it with Seanol - which so far (2 months)has been successful. Rowland

artini Saturday, February 19, 2011

thank god..hope you be patient rawland and continue with healty rountine and life style.

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