Cardiac Surgical Procedures
Transmyocardial Revascularization (TMR) is a laser surgery that facilitates the growth of blood vessels, resulting in decreased chest pain due to inadequate oxygen supply reaching the heart muscle. TMR is usually performed in conjunction with bypass surgery (CABG) on individuals with blood deprived heart muscle. The surgeon may create 20-40 new channels, each 1 millimeter wide, in the muscular wall of the left ventricle using a laser. These new channels stimulate angiogenesis, which is the natural growth of new blood vessels within the heart muscle.
The surgery is performed in the cardiac surgery suite under general anesthesia and usually takes one to two hours to perform if this is the sole procedure being done. It may only take minutes if being performed as part of a Coronary Artery Bypass Graft (CABG) procedure.
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