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Updated: Jul 5, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
Moderate patient-prosthesis mismatch after valve replacement for severe aortic stenosis has no impact on short-term
J Mascherbauer1, R Rosenhek, C Fuchs
1Department of Cardiology, Medical University of Vienna, Vienna General Hospital, Vienna, Austria. julia.mascherbauer@ukmuenster.de
Background:
The importance of moderate patient-prosthesis mismatch (PPM) for the prognosis of patients who undergo aortic valve replacement is unclear.
Methods:
The presence of PPM was assessed in 361 consecutive patients undergoing valve replacement for isolated severe aortic stenosis and related to perioperative and postoperative mortality. Indexed effective orifice areas (EOAi) were estimated for each type and size of prosthesis.
Results:
Using the previously proposed cut-off of EOAi
Conclusions:
Moderate PPM is a frequent finding after aortic valve replacement. In our patient population it had no impact on short-term and long-term survival. It may therefore not be justified to recommend complex surgical interventions to avoid moderate PPM in patients undergoing aortic valve replacement for isolated severe aortic stenosis.
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