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J Thorac Cardiovasc Surg 2006;131:9-10
© 2006 The American Association for Thoracic Surgery
Department of Cardiothoracic Surgery, Montefiore Medical Center, Bronx, NY.
Received for publication August 22, 2005; accepted for publication August 30, 2005. * Address for reprints: Robert W. M. Frater, MD, Montefiore Medical Center, Department of Cardiothoracic Surgery, Suite 125, Bronx, NY 10467. (Email: Rwmfglycar@aol.com).
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Aybek and coworkers
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have produced a serious evaluation of the midterm results of the mitral annulus shortening suture annuloplasty technique, in which the mural annulus is shortened by a suture that engages the fibrous attachment of the posterior leaflet to the atrium and ventricle from one trigone to the other. In 82% of cases, the pathologic condition was degenerative. The remaining 18% had rheumatic, ischemic or endocarditis etiologies. Inevitably, the efficacy of the annuloplasty per se is obscured by the multiple other procedures used in achieving the repair.
Aybek and coworkers previously compared short-term clinical and hemodynamic results between patients treated with the mural annulus shortening suture and with the Carpentier-Edwards ring. There were similar corrections of insufficiency but lower transvalvular gradients and wider mitral valve opening areas with the suture annuloplasty. Clinical and echocardiographic follow-up of the patients treated with mitral annulus shortening suture has been continued to 77 months, with interesting results.
The excellent initial relief of symptoms and relative freedom from reoperation for recurrent mitral regurgitation have been maintained. The New York Heart Association functional class, a mean of 3.0 at the time of the operation, was still 0.8 at 5 postoperative years. The left ventricular end-diastolic diameter was 56 mm before the operation, 50 mm at discharge, and 49 mm at 5 years. The
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