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- W3091916999 abstract "Purpose Degenerative mitral regurgitation repair using a measured algorithm could increase the precision and reproducibility of repair outcomes. Methods Direct and echocardiographic measurements guide the repair to achieve a coaptation length of 5 to 10 mm and minimize the risk of systolic anterior motion. Leaflet reconstruction restored the normal 2 to 1 ratio of anterior to posterior leaflet length without residual prolapse or restriction. The choice of ring size was based on anterior leaflet length, the distance from the leaflet coaptation point to the septum, and the anterior-posterior ring dimension. Freedom from reoperation and mitral regurgitation recurrence were based on multistate models. Results One thousand fifty-one patients had mitral surgery and 1026 (97.6%) were repaired. A2 length was 27.2 ± 4.5 mm; and the reconstructed posterior leaflet was 13.9 ± 2.3 mm. Median ring size was 34 mm and strongly correlated to A2 length (R = 0.76; P < .001). The coaptation length at P2 after repair was 6.4 ± 1.7 mm and 87% of measurements were between 5 and 10 mm. Results at predischarge and 10 years, respectively, included mild regurgitation (7.5% and 26.1%), moderate (0.7% and 15.6%), moderate to severe (0% and 1.4%), and severe (0% and 0%), with mean mitral gradient values 3.5 ± 1.5 and 2.9 ± 1.2 mm Hg, respectively. Systolic anterior motion at discharge and last follow-up were 0.2% and 1.1%, respectively. Ten-year freedom from mitral valve reoperation was 99.7%. Conclusions A simple, reproducible, measured algorithm for degenerative mitral valve repair provides excellent early and late results and is a useful adjunct to established surgical techniques." @default.
- W3091916999 created "2020-10-15" @default.
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- W3091916999 date "2022-09-01" @default.
- W3091916999 modified "2023-09-27" @default.
- W3091916999 title "A multiparameter algorithm to guide repair of degenerative mitral regurgitation" @default.
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- W3091916999 doi "https://doi.org/10.1016/j.jtcvs.2020.09.129" @default.
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