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The Dynamics Of Coaptation Surface After Correction Mitral Valve Prolapse By Using Pre-measured Gore-tex Loops
Ivan Skopin, Irma Tsiskaridze, Grigory Danilov.
Bakoulev Scientific Center for Cardiovascular Surgery, Moscow, Russian Federation.

OBJECTIVE: We assessed the early- and long - term outcomes for the coaptation surface in patients after correction mitral valve prolapse, by using pre-measured gore-tex loops.
METHODS: 90 patients (60 male, 30 female) underwent mitral valve repair with Gore-Tex loops for severe degenerative valve incompetence. The mean age was from 13 to 76 years old, the mean preoperative ejection fraction was 64 7%, the mean NYHA functional class was 2,7 0,5 and the mean logistic EuroSCORE was 3,02 2,85. Posterior mitral leaflet prolapse was diagnosed in 20 patients, anterior leaflet prolapse - in 15 patients, both leaflet prolapse - in the remaining 55 patients.
RESULTS: No patient died early after the operation. Thirty-day survival was 100% and in echocardiography revealed blindness or mild mitral regurgitation in 100% of patients. The average level of mitral regurgitation decreased from 3.17 0.4 at the beginning to 0.66 0.31 before discharge. Serious recurrent regurgitation was not 72 months in this series, and no systolic forward motion of the mitral valve was observed. The average length of co-adaptation among all patients was 11.06 2.07 mm (10,89 2,31 in long - term outcomes), the average depth of co-adaptation was 4.75 2.1 mm (4,82 2,17 in long - term outcomes). All patients received a loop technique and annular annuloplasty with ring. Quadrilateral resection was performed in 23.53% of cases. Associated procedures included the reconstruction of the tricuspid valve (65 patients - 72.22%), myocardial revascularization (16 patients - 17.78%), David-1 procedure (1 patients), ablation of atrial fibrillation (3 patients). The non-reactive actuarial survival for 72 months in this series was 98.89% 0.53%. CONCLUSIONS: Correction mitral valve prolapse by using pre-measured gore-tex loops allow create the best surface of coaptation and have a stable resalts in long - term outcomes


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