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  • Title: Mitral valve repair for nonrheumatic mitral regurgitation.
    Author: Roy S, Choudhary SK, Kumar AS.
    Journal: Indian Heart J; 2003; 55(4):354-7. PubMed ID: 14686665.
    Abstract:
    BACKGROUND: We studied the results of mitral valve repair in patients with severe mitral regurgitation of nonrheumatic etiology. METHODS AND RESULTS: Between January 1988 and April 2002, 116 patients, of which 59 were male and 57 female, with severe mitral regurgitation of nonrheumatic etiology, underwent mitral valve repair using a variety of techniques. Their mean age was 26.4 years (range 2-67 years). The cause of mitral regurgitation was congenital in 56 patients, myxomatous in 44, infective endocarditis in 7, and ischemic in 9. Ninety patients were in preoperative New York Heart Association class III, and 26 in class IV. Reparative procedures included posterior teflon felt collar annuloplasty (modified Cooley's) in 80 patients, chordal shortening in 37, cusp excision in 34, cleft closure in 8, chordal transfer in 6, and neochordae in 3. The early mortality was 3.4% (4 patients). Follow-up ranged from 1 to 167 months (mean 47 months), and was 95% complete. There were 2 late deaths (1.7%). Six patients (5.2%) underwent reoperation for severe mitral regurgitation post-repair. Of the remaining 104 patients, 90 (86.5%) had no or trivial mitral regurgitation at the last follow-up. Actuarial, reoperation-free, and event-free survival at 130 months was 93%+/-3.6%, 89.9%+/-6%, and 69.7%+/-13.7%, respectively. Ninety-two patients (88.5%) were in New York Heart Association class I at the last follow-up. CONCLUSIONS: Mitral valve repair in nonrheumatic mitral regurgitation patients provides satisfactory results with current surgical techniques, and is the preferred option in this subset of patients.
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