CoreValve Frame Distortion: The Importance of Meticulous Valve Loading

A 63-year-old man presented with dyspnea on exertion and syncopal episodes. Transesophageal echocardiography (TOE) confirmed severe aortic stenosis (peak gradient 98 mm Hg; valve area 0.4 cm2; aortic annulus 23 mm). Severe respiratory disease precluded cardiac surgery. A 29-mm CoreValve