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  • Title: Long-term outcomes after surgical ventricular restoration and coronary artery bypass grafting in patients with postinfarction left ventricular anterior aneurysm.
    Author: Nardi P, Pellegrino A, Scafuri A, Binaco I, Polisca P, Iorio F, Versaci F, Chiariello L.
    Journal: J Cardiovasc Med (Hagerstown); 2010 Feb; 11(2):96-102. PubMed ID: 19952949.
    Abstract:
    OBJECTIVE: Surgical ventricular restoration (SVR) for postinfarction left ventricular anterior aneurysm improves left ventricular function. The aim of this study was to evaluate whether concomitant multivessel coronary artery disease (MVCAD) can affect long-term outcome. Thus, long-term results of SVR associated with multiple coronary artery bypass grafting (CABG) for MVCAD (group 1) were compared with SVR with or without CABG to left anterior descending artery and/or its diagonal branch for single-vessel coronary artery disease (group 2). METHODS: Data from 104 consecutive patients (age 64 +/- 8 years) with left ventricular anterior aneurysm, subjected to SVR from January 1994 to December 2004 and divided into group 1 (n = 79) and group 2 (n = 25), were analyzed. RESULTS: In group 1 vs. group 2, number of grafts/patient (2.7 +/- 0.9 vs. 0.6 +/- 0.6, P < 0.0001) was higher, cardiopulmonary bypass (109 +/- 30 vs. 65 +/- 28 min, P < 0.0001) and aortic cross-clamp times (65 +/- 18 vs. 44 +/- 23 min, P < 0.0001) were longer, resected aneurysmatic area (12 +/- 8 vs. 17 +/- 11 cm2, P < 0.05) was smaller. Operative mortality was 3.7 vs. 4% (P = not significant). At 12 years, survival (85 +/- 5 vs. 80 +/- 16%) and freedom from cardiac events (70 +/- 7 vs. 75 +/- 16%) were not statistically different in both groups. Follow-up echocardiography showed significant left ventricular ejection fraction improvement in group 1 (0.45 +/- 0.07 vs. 0.34 +/- 0.10 preoperatively, P < 0.0001) and group 2 (0.47 +/- 0.09 vs. 0.36 +/- 0.12, P = 0.001). Independent predictors of late death were preoperative history of ventricular arrhythmias (P < 0.001) and hypo/akinesia of proximal myocardial anterior wall (P < 0.05). CONCLUSION: Late survival and freedom from cardiac events are excellent after SVR, also when concomitant MVCAD requires complete revascularization. Ventricular arrhythmias and impaired left ventricular anterior wall function are predictors of worse outcome.
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