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CABG: What Is Coronary Artery Bypass Grafting?

By Dr. Nikita Toshi +2 more

Coronary Artery Bypass Graft (CABG) is a surgical procedure performed on patients with Coronary Artery Disease. The procedure aims to improve the quality of life of patients in later years and improve mortality rates related to heart diseases. In this procedure, the clogged artery is bypassed with a healthy artery grafted from elsewhere in the body to improve blood flow to the heart.

cabg-pharmeasy-heart-surgery-health

The chances of developing Coronary Artery Disease increases with age. The incidence also increases with other factors like obesity, smoking, or consuming a diet high in fats. This leads to the deposition of plaques that narrows the arteries. Coronary artery disease can lead to chest pain or angina, which may require CABG. The number of bypass grafts depends on the number of arteries affected.

How is CABG surgery performed?

Before the procedure, the patient undergoes a pre-assessment check-up with tests like ECG, Chest X-ray, blood work along past medical and drug history.

The procedure is carried out under general anaesthesia and lasts about 4 to 6 hours. It is advised to not eat or drink anything at least 6 hours before the procedure.

Blood vessels from the leg, chest, or arm are usually used as a graft. Surgeons usually prefer the blood vessels in the chest as these arteries do not narrow easily with time as the other blood vessels. Depending on the number of grafts needed, you may undergo a ”double,” ”triple,” or ”quadruple” bypass surgery.

The blood is rerouted through a bypass machine, while the procedure is being done. The heart is temporarily stopped using medications until the new grafts are placed.

After all the grafts have been placed, the heart is put back into the function using controlled electric waves. The breastbone will be reattached to the chest with permanent metal wires and the skin is sewn with dissolvable stitches.

Many surgeons today are opting for an Off-pump bypass surgery wherein the heart is still beating while the procedure is being done without the need of the bypass machine.

CABG requires a week of hospital stay with further recuperation at home. Care needs to be taken of the wounds, mainly stitches. Light activities can be resumed after 6 weeks and routine activities in about 8 to 10 weeks.

Angioplasty should be considered when one, two, or even three arteries have become narrowed, provided that the arteries are suitable for angioplasty. When there is significant narrowing of the left main coronary artery or of all three major coronary arteries, CABG is usually more suitable.

Dr. Ashish Bajaj – M.B.B.S, M.D.

CABG is done for the blockage of heart arteries. The basic difference between CABG and Stenting is that CABG may be the best option when an artery is too calcified to support a stent, or when it’s technically too difficult to place a stent in an artery. CABG acts as a by pass for the blood to flow away from blockage.

Dr. M.G. Kartheeka, MBBS, MD

Complications of CABG

Minor side effects like loss of appetite, nausea, headache, constipation, difficulty in sleeping may be experienced, which are relieved within a few days. Major complications include:

  1. Infection of the wound
  2. Decreased kidney function. Temporary dialysis may be required in some patients.
  3. Stroke
  4. Heart attack
  5. In rare cases, death

Disclaimer: The information provided here is for educational/awareness purposes only and is not intended to be a substitute for medical treatment by a healthcare professional and should not be relied upon to diagnose or treat any medical condition. The reader should consult a registered medical practitioner to determine the appropriateness of the information and before consuming any medication. PharmEasy does not provide any guarantee or warranty (express or implied) regarding the accuracy, adequacy, completeness, legality, reliability or usefulness of the information; and disclaims any liability arising thereof.

Links and product recommendations in the information provided here are advertisements of third-party products available on the website. PharmEasy does not make any representation on the accuracy or suitability of such products/services. Advertisements do not influence the editorial decisions or content. The information in this blog is subject to change without notice. The authors and administrators reserve the right to modify, add, or remove content without notification. It is your responsibility to review this disclaimer regularly for any changes.

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