Paravalvular regurgitation after conventional aortic and mitral valve replacement: A benchmark for alternative approaches

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Abstract

Objective Paravalvular regurgitation is a known complication after transcatheter and sutureless aortic valve replacement. Paravalvular regurgitation also may develop in patients undergoing percutaneous mitral valve replacement. There are few studies on contemporary surgical valve replacement for comparison. We sought to determine the contemporary occurrence of paravalvular regurgitation after conventional surgical valve replacement. Methods We performed a single-center retrospective database review involving 1774 patients who underwent valve replacement surgery from April 2004 to December 2012: aortic in 1244, mitral in 386, and combined aortic and mitral in 144. Follow-up echocardiography was performed in 73% of patients. Patients with endocarditis were analyzed separately from noninfectious paravalvular leaks. Statistical comparisons were performed to determine differences in paravalvular regurgitation incidence and survival. Results During follow-up, 1+ or greater (mild or more) paravalvular regurgitation occurred in 2.2% of aortic cases and 2.9% of mitral cases. There was 2+ or greater (moderate or more) paravalvular regurgitation in 0.9% of aortic and 2.2% of mitral cases (P =.10). After excluding endocarditis, late noninfectious regurgitation 2+ or greater was detected in 0.5% of aortic and 0.4% of mitral cases (P =.93); there were no reoperations or percutaneous closures for noninfectious paravalvular regurgitation. Conclusions In an academic medical center, the overall rate of paravalvular regurgitation is low, and late clinically significant noninfectious paravalvular regurgitation is rare. The benchmark for paravalvular regurgitation after conventional valve replacement is high and should be considered when evaluating patients for transcatheter or sutureless valve replacement.

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APA

Duncan, B. F., McCarthy, P. M., Kruse, J., Andrei, A. C., Li, Z., Russell, H. M., … Malaisrie, S. C. (2015). Paravalvular regurgitation after conventional aortic and mitral valve replacement: A benchmark for alternative approaches. Journal of Thoracic and Cardiovascular Surgery, 150(4), 860-868.e1. https://doi.org/10.1016/j.jtcvs.2015.06.047

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