A single degree of oversize does not fit all valve types.

Catheter Cardiovasc Interv

Department of Interventional Cardiology and Endovascular Therapeutics, Instituto Cardiovascular De Buenos Aires, Buenos Aires, Argentina.

Published: September 2015

Moderate valve oversize increases the risk of aortic regurgitation with self-expandable valves, and larger oversizing may be preferable with this valve type. Large oversizing increases the risk of aortic annular rupture in patients treated with balloon-expandable valves and less oversizing appears safer. Anatomical factors may also may influence procedural success and should not be overlooked.

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Source
http://dx.doi.org/10.1002/ccd.26129DOI Listing

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