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What is Myocardial Revascularization?

Apr 04, 2017

What is Myocardial Revascularization?

Myocardial Revascularization is a complex surgery for patients with multi-vessel coronary artery disease who failed to be treated by percutaneous coronary intervention or coronary artery bypass graft procedures due to complications of the disease or failures in procedure. A major part of Myocardial Revascularization technique is determining the condition and health needs of the patient and strategizing the procedure accordingly. Depending on the needs and choice of the patient, a complete or incomplete revascularization is carried out. Complete myocardial revascularization is targeted at all the diseased coronary segments and is potentially more beneficial in the long term as compared to incomplete myocardial revascularization which aims at the major diseased coronary segments selectively. Though it helps in getting rid of the immediate issues, incomplete revascularization has long term adverse effects and might be the cause of developing higher risk factors for different diseases.

Depending on the procedure of surgery, myocardial revascularization is divided into two broad categories. One of them is Transmyocardial Revascularization (TMR) where an incision between the ribs is made, post which the ribs are spread to one side revealing the heart. A laser beam is then applied to the left ventricle of the heart making a hole which acts as a passage for the oxygenated blood to travel from the left ventricle to the myocardium. In contrast to this technique, Percutaneous Myocardial Revascularization (PMR) passes a thin tube through the incision from which a laser is applied. The laser then burns a hole and provides a path for oxygenated blood as in case of TMR making the blocked artery redundant.

Post-surgery, intensive care is mandatory. Pain, which is an obvious effect of the surgery, is usually subsided by medication. However, if symptoms like fever or redness, swelling and warmth in the region around the incision is seen, immediate advice from the surgeon should be sought.

Disclaimer: The information given in this write-up is purely for educating the reader. It is not meant to be a substitute for any advice from a medical expert.

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