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How Is it Done?
How Is it Done?
In this procedure, a surgeon makes an incision on the left breast to expose the heart. Then, using a laser, the surgeon drills a series of holes from the outside of the heart into the heart's pumping chamber.
How does it work?
- How transmyocardial revascularization (TMR) reduces angina still isn't fully understood.
- The laser may stimulate new blood vessels to grow, called angiogenesis (an"je-o-JEN'eh-sis).
- It may destroy nerve fibers to the heart, making patients unable to feel their chest pain.