Related Experiment Video
Updated: Feb 12, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
Late Clinical Presentation of Prosthesis-Patient Mismatch Following Transcatheter Aortic Valve Replacement
Yoko Kagemoto1, Andrew Weintraub2, Natesa G Pandian3
1Department of Anesthesiology and Perioperative, Medicine, Tufts Medical Center, Boston, MA.
Abstract:
Prosthesis-patient mismatch (PPM) is relatively common after aortic valve replacement (AVR) and generally is associated with reduced regression of left ventricular (LV) mass. PPM after valve-in-valve transcatheter aortic valve replacement (TAVR) was reported to be 38%. PPM generally is manifested clinically by dyspnea and echocardiographically by high transvalvular gradients. In this E-Challenge, the authors will review a case of a late clinical presentation of PPM 1-year following a valve-in-valve TAVR.
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