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Ann Thorac Surg 2003;76:32-36
© 2003 The Society of Thoracic Surgeons
a Department of Cardiology and Cardiac Surgery, University "G. D’Annunzio," Chieti, , Italy
b Division of Cardiac Surgery, "Papardo" Hospital, Messina, Italy
Accepted for publication February 5, 2003.
* Address reprint requests to Dr Calafiore, Division of Cardiac Surgery, "G. D’Annunzio" University, S. Camillo de’ Lellis Hospital, via C. Forlanini, 50, 66100 Chieti, Italy.
e-mail: calafiore{at}unich.it
BACKGROUND: In a previous study, we demonstrated that patients with multivessel disease benefit during the first postoperative month from elimination of cardiopulmonary bypass (CPB). We evaluated the midterm results of the same patients excluding the first postoperative month from the analysis.
METHODS: From May 1997 to November 2000, 1,802 patients with multivessel disease survived the first postoperative month; 906 were operated on without (group A) and 896 with (group B) CPB. Follow-up ranged from 23 to 65 months (mean, 42 ± 12 months). Four-year actuarial freedom from the following events was evaluated: death from any cause; cardiac death; acute myocardial infarction (AMI) in any territory; AMI in a grafted area; redo percutaneous transluminal coronary angioplasty (PTCA); redo PTCA in a target vessel; cardiac events (death from a cardiac cause, acute myocardial infarction on grafted vessel, redo PTCA on target vessel); and any event.
RESULTS: No statistical difference was found between groups A and B with regard to freedom from any death (95.3 ± 0.8 vs 95.7 ± 0.7, p = 0.5160); from cardiac death (97.3 ± 0.6 vs 97.5 ± 0.6, p = 0.5345); from AMI (98.4 ± 0.4 vs 98.7 ± 0.4, p = 0.4655); from AMI in a grafted area (98.9 ± 0.4 vs 98.7 ± 0.4, p = 0.9374); from redo PTCA (97.9 ± 0.5 vs 97.7 ± 0.6, p = 0.8485); from redo PTCA in a grafted area (98.7 ± 0.4 vs 98.5 ± 0.5, p = 0.8774); from target cardiac events (95.8 ± 0.7 vs 95.9 ± 0.8, p = 0.6070); and from any event (92.9 ± 0.9 vs 93.4 ± 1.0, p = 0.3721).
CONCLUSIONS: After exclusion of the first postoperative month, myocardial revascularization without CPB has midterm results similar to myocardial revascularization with CPB. In particular, failure of revascularization does not depend on intraoperative strategy.
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