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Prosthesis–Patient Mismatch After Transcatheter Aortic Valve Implantation
This instructive paper includes three separate meta-analyses focusing on patient-prosthesis mismatch (PPM) after TAVR. These meta-analyses revealed the following:
- The incidence of PPM after TAVR is 35% (moderate 27%, severe 8%).
- The incidence of PPM after TAVR is significantly less than that for SAVR, with an OR of 0.23.
- PPM after TAVR does not seem to impact survival at a mean follow-up interval ranging from 18 months to 4 years.