Laser heart surgery. Surgical team using a laser (down centre) during open heart surgery. The laser is used in a technique known as transmyocardial la
Laser heart surgery. Surgical team using a laser (down centre) during open heart surgery. The laser is used in a technique known as transmyocardial laser revascularisation (TMR). It is done to remedy angina pectoris, chest pain caused by a lack of a normal blood supply to the heart muscle. The laser makes small holes in the starved area of heart muscle, which allow a direct flow of oxygenated blood. Angina is caused by fatty deposits building up inside the coronary arteries. If untreated, part of the heart muscle may die (a heart attack), which is often fatal. TMR is used when bypasss operations or heart transplants are not feasible.
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Photo credit: © PASCAL GOETGHELUCK/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: device, equipment, healthcare, heart, laser, lasers, medical, medicine, open, surgery, tmr, transmyocardial, treatment, treatments
