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Eur J Cardiothorac Surg. 2012 Jan;41(1):94-101. doi: 10.1016/j.ejcts.2011.04.004.

Significance of off-pump coronary artery bypass grafting compared with percutaneous coronary intervention: a propensity score analysis.

Author information

1
Department of Cardiovascular Surgery, Kyoto University Graduate School of Medicine, and Translational Research Center, Kyoto University Hospital, Kyoto, Japan. marui@kuhp.kyoto-u.ac.jp

Abstract

OBJECTIVE:

Although there have been several studies that compared the efficacy of percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG), the impact of off-pump CABG (OPCAB) has not been well elucidated. The objective of the present study was to compare the outcomes after PCI, on-pump CABG (ONCAB), and OPCAB in patients with multivessel and/or left main disease.

METHODS:

Among the 9877 patients undergoing first PCI using bare-metal stents or CABG who were enrolled in the CREDO-Kyoto Registry, 6327 patients with multivessel and/or left main disease were enrolled into the present study (67.9±9.8 years old). Among them, 3877 patients received PCI, 1388 ONCAB, and 1069 OPCAB. Median follow-up was 3.5 years.

RESULTS:

Comparing PCI with all CABG (ONCAB and OPCAB), propensity-score-adjusted all-cause mortality after PCI was higher than that CABG (hazard ratio (95% confidence interval): 1.37 (1.15-1.63), p<0.01). The incidence of stroke was lower after PCI than that after CABG (0.75 (0.59-0.96), p=0.02). CABG was associated with better survival outcomes than PCI in the elderly (interaction p=0.04). Comparing OPCAB with PCI or ONCAB, propensity-score-adjusted all-cause mortality after PCI was higher than that after OPCAB (1.50 (1.20-1.86), p<0.01). Adjusted mortality was similar between ONCAB and OPCAB (1.18 (0.93-1.51), p=0.33). The incidence of stroke after OPCAB was similar to that after PCI (0.98 (0.71-1.34), p>0.99), but incidence of stroke after ONCAB was higher than that after OPCAB (1.59 (1.16-2.18), p<0.01).

CONCLUSIONS:

In patients with multivessel and/or left main disease, CABG, particularly OPCAB, is associated with better survival outcomes than PCI using bare-metal stents. Survival outcomes are similar between ONCAB and OPCAB.

PMID:
21676626
PMCID:
PMC3241114
DOI:
10.1016/j.ejcts.2011.04.004
[Indexed for MEDLINE]
Free PMC Article

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