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Year : 2002  |  Volume : 3  |  Issue : 3  |  Page : 3

The Impact of Graft Selection on Outcome of Coronary Bypass Surgery and Influence of Surgical Experience

1 Department of Cardiothoracic Surgery, University of Vienna, Austria, Austria
2 Department of Surgical Documentation and Biometrics, University of Vienna, Austria, Austria

Correspondence Address:
Yukihiro Kaneko
Department of Cardiovascular Surgery, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya-ku, Tokyo 150-8935, Japan
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Source of Support: None, Conflict of Interest: None

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In a retrospective study of 787 consecutive patients after first-time isolated coronary bypass grafting by a single surgeon up to 16 years, the risk ratios of arterial grafting and sequential saphenous vein (SV) grafting on overall mortality, mortality related to cardiac disease, and adverse cardiac events were quantified by univariate and multivariate analyses corrected for the influence of preoperative characteristics. Arterial grafting was an incremental risk factor in the first 5 years, but decremental risk factor in the later 11 years. The risk ratio of sequential SV graft to the left coronary artery on overall mortality (1.30, 95 % CI, 0.93-1.81) was significantly higher than that to the right coronary artery (0.64, 95 % CI, 0.42-0.99). The outcome of arterial grafting significantly improved over time, but outcome of sequential SV grafting to the right coronary artery did not. Surgical volume did not influence the outcome.

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