Task: Answer Verification
Input (English): Question: Is prosthesis-patient mismatch clinically relevant in aortic valve replacement using the Carpentier-Edwards Perimount valve?
Answer: The incidence of severe PPM is virtually nonexistent after aortic valve replacement using the Carpentier-Edwards Perimount valve. Moderate PPM is found in 20% of cases and is clinically irrelevant in this population.
Output (English): no