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Off-pump versus on-pump myocardial revascularization in low-risk patients with one or two vessel disease: perioperative results in a multicenter randomized controlled trial
Authors:Gerola Luís Roberto  Buffolo Enio  Jasbik Waldir  Botelho Bruno  Bosco João  Brasil Luís A  Branco João Nelson R
Institution:Division of Cardiovascular Surgery, Department of Surgery, Federal University of S?o Paulo Brasil, Sao Paolo, Brazil. gerola@uol.com.br
Abstract:BACKGROUND: To evaluate hospital mortality and morbidity after myocardial revascularization in a prospective and multicenter study, comparing on-pump versus off-pump in a special subset of patients with lesions in the left descending artery, alone or associated with the right coronary artery. METHODS: A multicenter prospective randomized study was performed. One hundred and sixty selected low-risk patients were enrolled; 80 patients were operated on-pump (coronary artery bypass grafting CABG], group I) and 80 patients were operated off-pump (off-pump coronary artery bypass OPCAB], group II). One hundred and five were male and ages ranged from 39 to 70 years old; mean 58.81 +/- 9.31 and median 59. Preoperative clinical characteristics were similar in both groups; only previous myocardial infarction was higher in the OPCAB group. Patients with severe left ventricular dysfunction (FE
Keywords:23
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