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Circulation Journal
Vol. 74 (2010) No. 3 p. 449-455

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http://doi.org/10.1253/circj.CJ-09-0586

Cardiovascular Surgery

Background: The optimal revascularization strategy for unprotected left main coronary artery (ULMCA) disease in the era of drug-eluting stents (DES) has become more controversial between coronary artery bypass grafting (CABG) and percutaneous coronary intervention (PCI). Methods and Results: Since April 2004, 89 patients underwent CABG, including 82 (92.1%) off-pump procedures and 63 patients underwent PCI with DES for ULMCA disease. Major adverse cardiac and cerebrovascular events (MACCE: death, acute myocardial infarction, stroke and repeat revascularization) and hospitalization costs were compared. Patients in the CABG group were likely to have multivessel disease and higher euroSCORE. The mean follow-up was 2.2±1.1 years in the CABG group and 1.6±0.8 years in the DES group (P<0.001). The overall survival rate did not differ (P=0.288) between the groups (CABG: 93.4% and DES: 91.9% at 2 years). The MACCE-free survival rate was better (P=0.033) in the CABG group (CABG: 82.2% and DES: 62.6% at 2 years). Total hospitalization costs were lower (P=0.013) in the CABG group (median: 3,225 thousand yen) than in the DES group (median: 4,192 thousand yen). Conclusions: CABG might be associated with cost-effectiveness and could be still the first revascularization strategy for ULMCA disease. (Circ J 2010; 74: 449 - 455)

Copyright © 2010 THE JAPANESE CIRCULATION SOCIETY

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