BACKGROUND: To compare the clinical outcomes between multiple arterial (MA) and single arterial (SA) off-pump coronary artery bypass grafting (OPCAB) when applied to left main coronary disease or three-vessel disease. METHODS: A total of 537 patients with left main coronary disease or three-vessel disease underwent MA OPCAB (n=114) or SA OPCAB (n=423) in our center from January 2006 to December 2008. The propensity score matching (PSM) was used to obtain the risk-adjusted outcome. Both the perioperative and long-term results were analyzed. RESULTS: The median follow-up time was 117 months (interquartile range, 110 to 128 months). There was no statistical difference in postoperative mortality and the volume of drainage. The intensive care unit (ICU) length of stay (LOS) of the MA group was shorter than that of the SA group {1 [1-2] vs. 2 [1-3], P=0.001). In the long term, the mortality (5.7% vs. 17.5%, P=0.006), cardiac mortality (1.0% vs. 8.8%, P=0.008), fatal myocardial infarction (MI) rate (0.0% vs. 6.1%, P=0.015) and incidence of readmission for heart failure (19.8% vs. 37.7%, P=0.003) were lower in the MA group than in the SA group. The distributions of NYHA class (P<0.001) and CCS class (P<0.001) were better in the MA group than in the SA group. There was no significant difference in other outcomes. These results were consistent with the K-M curves of freedom from the adverse events. CONCLUSIONS: MA OPCAB was as safe as SA OPCAB, providing better perioperative recovery and better long-term clinical outcomes in the treatment of left main coronary disease or three-vessel disease.
BACKGROUND: To compare the clinical outcomes between multiple arterial (MA) and single arterial (SA) off-pump coronary artery bypass grafting (OPCAB) when applied to left main coronary disease or three-vessel disease. METHODS: A total of 537 patients with left main coronary disease or three-vessel disease underwent MA OPCAB (n=114) or SA OPCAB (n=423) in our center from January 2006 to December 2008. The propensity score matching (PSM) was used to obtain the risk-adjusted outcome. Both the perioperative and long-term results were analyzed. RESULTS: The median follow-up time was 117 months (interquartile range, 110 to 128 months). There was no statistical difference in postoperative mortality and the volume of drainage. The intensive care unit (ICU) length of stay (LOS) of the MA group was shorter than that of the SA group {1 [1-2] vs. 2 [1-3], P=0.001). In the long term, the mortality (5.7% vs. 17.5%, P=0.006), cardiac mortality (1.0% vs. 8.8%, P=0.008), fatal myocardial infarction (MI) rate (0.0% vs. 6.1%, P=0.015) and incidence of readmission for heart failure (19.8% vs. 37.7%, P=0.003) were lower in the MA group than in the SA group. The distributions of NYHA class (P<0.001) and CCS class (P<0.001) were better in the MA group than in the SA group. There was no significant difference in other outcomes. These results were consistent with the K-M curves of freedom from the adverse events. CONCLUSIONS: MA OPCAB was as safe as SA OPCAB, providing better perioperative recovery and better long-term clinical outcomes in the treatment of left main coronary disease or three-vessel disease.
Entities:
Keywords:
Multiple arterial (MA); left main coronary disease or three-vessel disease; off-pump coronary artery bypass grafting (OPCAB); propensity score matching (PSM)
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