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Patients with symptomatic severe aortic stenosis have a mortality rate of approximately 50% at 2 years without intervention. [5] In patients who are deemed too high risk for open heart surgery, TAVI significantly reduces the rates of death and cardiac symptoms. [6]
Aortic valve replacement is a cardiac surgery procedure whereby a failing aortic valve is replaced with an artificial heart valve. The aortic valve may need to be replaced because of aortic regurgitation (back flow), or if the valve is narrowed by stenosis .
Catheter replacement of the aortic valve (called trans-aortic valve replacement or implementation [TAVR or TAVI]) is a minimally invasive option for those suffering from aortic valve stenosis. TAVR is commonly performed by guiding a catheter from the groin to the narrowed valve via the aorta using realtime x-ray technology.
Guidelines and indications are specific to different patient populations. For adults with aortic stenosis, guidelines suggest that balloon aortic valvuloplasty (BAV) is to be used as a temporary procedure to improve blood flow through the aortic valve to alleviate symptoms and stabilize clinically before having more invasive procedures done, including aortic valve replacement (AVR) or ...
Aortic stenosis is typically followed using repeated ultrasound scans. [1] Once it has become severe, treatment primarily involves valve replacement surgery, with transcatheter aortic valve replacement (TAVR) being an option in some who are at high risk from surgery. [1]
Aortic valve repair may also be performed in the treatment of aortic aneurysm or aortic dissection if either aneurysm or dissection involves the aorta close to the valve. [4] Indications for aortic valve repair: Absence of relevant calcification and; Congenital and severe aortic stenosis with symptoms or decreased left ventricular function
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