Transcatheter Aortic Valve Replacement (TAVR) is a minimally invasive surgical procedure used to treat aortic valve stenosis, a condition where the valve that opens out from the left ventricle of the heart (the aortic valve) becomes narrowed. In TAVR, a replacement valve is inserted via a catheter, typically through an artery in the leg, and guided to the heart. Once in place, the new valve is expanded, pushing the old valve leaflets out of the way and taking over the function of regulating blood flow from the heart to the aorta.

This procedure is particularly beneficial for patients who are at high risk for traditional open-heart surgery. The benefits of TAVR include a shorter hospital stay, reduced recovery time, and less pain and discomfort compared to traditional valve replacement surgery. However, as with any medical procedure, there are risks involved, such as potential damage to blood vessels, bleeding, and the risk of stroke or heart attack.

TAVR has revolutionized the treatment of aortic valve stenosis, especially for elderly patients and those with multiple health issues, offering a safer and less invasive option than traditional surgery.