A large registry of over thirteen thousand transcatheter aortic valve replacement (TAVR) procedures showed that coronary obstruction following TAVR is rare, carries a high fatality rate, and is not easily predictable based on pre-procedure imaging.1 Coronary obstruction (CO) remains a feared complication of TAVR. Predicting is a key goal for the pre-procedure planning computed tomography (CT) scan. Markers indicating high risk for CO following TAVR include low coronary ostial height, narrow sinotubular junction, small sinuses of Valsalva, and long valve leaflets. For valve-in-valve TAVR ...
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