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- W2033834860 abstract "ObjectivesCoronary artery bypass grafting performed off-pump has emerged in recent years as a less morbid alternative to on-pump bypass grafting. However, the impact of hospital volume on the outcomes of off-pump relative to on-pump bypass grafting has not been evaluated.MethodsWe conducted a retrospective study of patients undergoing off-pump (n = 26,011) and on-pump (n = 99,344) coronary artery bypass grafting during 2000 through 2004 in 124 California hospitals, using the California Patient Discharge Database. Generalized linear mixed models were used to compare in-hospital mortality and postoperative complications in patients undergoing on-pump versus off-pump bypass grafting, accounting sequentially for differences in patient characteristics and hospital-level effects. The relative mortality and complication rates for patients undergoing on-pump versus off-pump coronary bypass were evaluated across hospital volume quartiles.ResultsMean length of stay was lower for patients who underwent off-pump compared with on-pump bypass grafting (8.7 vs 9.6 days; P < .001), as were unadjusted mortality and complication rates (2.2% vs 3.3%; 10.1% vs 11.6%, respectively; P < .001). For hospitals in the highest percent off-pump bypass quartile, adjusted mortality and complication rates for patients having off-pump bypass were significantly lower than for the on-pump group (odds ratio [OR] = 0.50; 95% confidence intervals [CI], 0.41–0.61; OR = 0.73; 95% CI, 0.66–0.81, respectively; P < .001); by contrast, for hospitals in the lowest percent off-pump bypass quartile, mortality and complications were similar in off-pump and on-pump groups (OR = 1.10; 95% CI, 0.75–1.63; OR = 0.92; 95% CI, 0.72–1.16, respectively; P > .05).ConclusionsOutcomes were significantly better for off-pump compared with on-pump coronary artery bypass grafting. Although the benefit of off-pump bypass grafting increased as the relative use of the procedure at a hospital increased, off-pump bypass grafting can be safely implemented across numerous hospitals. Coronary artery bypass grafting performed off-pump has emerged in recent years as a less morbid alternative to on-pump bypass grafting. However, the impact of hospital volume on the outcomes of off-pump relative to on-pump bypass grafting has not been evaluated. We conducted a retrospective study of patients undergoing off-pump (n = 26,011) and on-pump (n = 99,344) coronary artery bypass grafting during 2000 through 2004 in 124 California hospitals, using the California Patient Discharge Database. Generalized linear mixed models were used to compare in-hospital mortality and postoperative complications in patients undergoing on-pump versus off-pump bypass grafting, accounting sequentially for differences in patient characteristics and hospital-level effects. The relative mortality and complication rates for patients undergoing on-pump versus off-pump coronary bypass were evaluated across hospital volume quartiles. Mean length of stay was lower for patients who underwent off-pump compared with on-pump bypass grafting (8.7 vs 9.6 days; P < .001), as were unadjusted mortality and complication rates (2.2% vs 3.3%; 10.1% vs 11.6%, respectively; P < .001). For hospitals in the highest percent off-pump bypass quartile, adjusted mortality and complication rates for patients having off-pump bypass were significantly lower than for the on-pump group (odds ratio [OR] = 0.50; 95% confidence intervals [CI], 0.41–0.61; OR = 0.73; 95% CI, 0.66–0.81, respectively; P < .001); by contrast, for hospitals in the lowest percent off-pump bypass quartile, mortality and complications were similar in off-pump and on-pump groups (OR = 1.10; 95% CI, 0.75–1.63; OR = 0.92; 95% CI, 0.72–1.16, respectively; P > .05). Outcomes were significantly better for off-pump compared with on-pump coronary artery bypass grafting. Although the benefit of off-pump bypass grafting increased as the relative use of the procedure at a hospital increased, off-pump bypass grafting can be safely implemented across numerous hospitals." @default.
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- W2033834860 date "2009-05-01" @default.
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- W2033834860 title "Surgical volume and outcomes of off-pump coronary artery bypass graft surgery: Does it matter?" @default.
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- W2033834860 doi "https://doi.org/10.1016/j.jtcvs.2008.12.038" @default.
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