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Title: A new surgical approach for treating dilated cardiomyopathy with mitral regurgitation
Authors: Buffolo, Enio [UNIFESP]
Paula, Ivan Antonio Machado de [UNIFESP]
Fonseca, José Honório de Almeida Palma da [UNIFESP]
Branco, João Nelson Rodrigues [UNIFESP]
Universidade Federal de São Paulo (UNIFESP)
Keywords: mitral insufficiency
dilated cardiomyopathy
mitral implantation
Issue Date: 1-Feb-2000
Publisher: Sociedade Brasileira de Cardiologia - SBC
Citation: Arquivos Brasileiros de Cardiologia. Sociedade Brasileira de Cardiologia - SBC, v. 74, n. 2, p. 135-140, 2000.
Abstract: OBJECTIVE: To evaluate the early outcome of mitral valve prostheses implantation and left ventricular remodeling in 23 patients with end-stage cardiomyopathy and secondary mitral regurgitation (NYHA class III and IV). METHODS: Mitral valvular prosthesis implantation with preservation of papillary muscles and chordae tendinae, and plasty of anteriun cuspid for remodeling of the left ventricle. RESULTS: The surgery was performed in 23 patients, preoperative ejection fraction (echocardiography) varied from 13% to 44% (median: 30%). In 13 patients associated procedures were performed: myocardial revascularization (9), left ventricle plicature repair (3) and aortic prosthese implantation (1). Early deaths (2) occurred on the 4th PO day (cardiogenic shock) and on the 20th PO day (upper gastrointestinal bleeding), and a late death in the second month PO (ventricular arrhythmia). Improvement occurred in NYHA class in 82.6% of the patients (P<0.0001), with a survival rate of 86.9% (mean of 8.9 months of follow-up). CONCLUSION: This technique offers a promising therapeutic alternative for the treatment of patients in refractory heart failure with cardiomyopathy and secondary mitral regurgitation.
ISSN: 0066-782X
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