Long-Term Outcomes After Percutaneous Coronary Intervention for Chronic Total Occlusion (from the CREDO-Kyoto Registry Cohort-2) - 02/09/13
, Takeshi Morimoto, MD b, Yutaka Furukawa, MD c, Yoshihisa Nakagawa, MD d, Koh Ono, MD a, Kazuaki Mitsudo, MD e, Masakiyo Nobuyoshi, MD f, Osamu Doi, MD g, Takashi Tamura, MD h, Masaru Tanaka, MD i, Takeshi Kimura, MD aCREDO-Kyoto PCI/CABG Registry Cohort-2 Investigators
Abstract |
Despite improving success rate of percutaneous coronary intervention (PCI) for chronic total occlusion (CTO) lesions, the clinical benefit of recanalization of CTO is still a matter of debate. Of 13,087 patients who underwent PCI in the CREDO-Kyoto registry cohort-2, 1,524 patients received PCI for CTO (CTO-PCI). Clinical outcomes were compared between 1,192 patients with successful CTO-PCI and 332 patients with failed CTO-PCI. In-hospital death tended to occur less frequently in the successful CTO-PCI group than in the failed CTO-PCI group (1.4% vs 3.0%, p = 0.053). Through 3-year follow-up, the cumulative incidence of all-cause death was not significantly different between the successful and failed CTO-PCI groups (9.0% vs 13.1%, p = 0.18), whereas the cumulative incidence of cardiac death was significantly less in the successful CTO-PCI group than in the failed CTO-PCI group (4.5% vs 8.4%, p = 0.03). However, after adjusting confounders, successful CTO-PCI was associated with lesser risk for neither all-cause death (hazard ratio 0.93, 95% confidence interval 0.64 to 1.37, p = 0.69) nor cardiac death (hazard ratio 0.71, 95% confidence interval 0.44 to 1.16, p = 0.16). The cumulative incidence of coronary artery bypass grafting (CABG) was remarkably less in patients with successful PCI compared with those with failed PCI (1.8% vs 19.6%, p <0.0001). In conclusion, successful CTO-PCI compared with failed PCI was not associated with lesser risk for 3-year mortality. However, successful CTO-PCI was associated with significantly less subsequent CABG.
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| This work was supported by the Pharmaceuticals and Medical Devices Agency (Tokyo, Japan). |
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| See page 773 for disclosure information. |
Vol 112 - N° 6
P. 767-774 - septembre 2013 Retour au numéro
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