The Annals of thoracic surgery · 2010
Coronary artery bypass surgery is superior to percutaneous coronary intervention with drug-eluting stents for patients with chronic renal failure on hemodialysis.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Sunagawa Gengo, Komiya Tatsuhiko, Tamura Nobushige, Sakaguchi Genichi, Kobayashi Taira, Murashita Takashi
Аннотация
BACKGROUND: Improvements in the results of percutaneous coronary intervention (PCI) with drug-eluting stents (DES) have been extending their use in patients with all forms of coronary artery disease. The purpose of this study was to compare the midterm clinical results of coronary artery bypass surgery (CABG) and PCI with DES in patients with chronic renal failure on hemodialysis.
METHODS: From January 2002 to December 2006, 29 patients underwent CABG, and 75 patients underwent PCI with DES. For CABG, 24 patients had off-pump surgery. The mean follow-up was 32.0 +/- 22.0 months for CABG and 23.5 +/- 14.8 months for PCI. Survival, cardiac death, major adverse cardiac events (cardiac death, myocardial infarction, revascularization), and target lesion revascularization were analyzed using the Kaplan-Meier method.
RESULTS: Preoperative characteristics and risk factors were compatible between the groups except for the European System for Cardiac Operative Risk Evaluation (7.3 +/- 2.7 for CABG and 5.0 +/- 2.4 for PCI, p < 0.0001) and the presence of a left main trunk lesion (53.3% for CABG and 18.7% for PCI). Thirty-day mortality was 3.3% for CABG and 4.0% for PCI. The 2-year survival rate was 84.0% for CABG and 67.6% for PCI (p = 0.0271). The cardiac death-free curve at 2 years was 100% for CABG and 84.1% for PCI (p = 0.0122). The major adverse cardiac events-free rate at 2 years was 75.8% for CABG and 31.5% for PCI (p < 0.0001). During the follow-up period, there were 6 late deaths in the CABG group and 27 late deaths (including 6 sudden deaths) in the PCI group.
CONCLUSIONS: Coronary artery bypass grafting was superior to PCI with DES in patients with chronic renal failure on hemodialysis in terms of long-term outcomes for cardiac death, major adverse cardiac events, and target lesion revascularization. The DES carried a higher risk for sudden death, which might be associated with stent thrombosis.
METHODS: From January 2002 to December 2006, 29 patients underwent CABG, and 75 patients underwent PCI with DES. For CABG, 24 patients had off-pump surgery. The mean follow-up was 32.0 +/- 22.0 months for CABG and 23.5 +/- 14.8 months for PCI. Survival, cardiac death, major adverse cardiac events (cardiac death, myocardial infarction, revascularization), and target lesion revascularization were analyzed using the Kaplan-Meier method.
RESULTS: Preoperative characteristics and risk factors were compatible between the groups except for the European System for Cardiac Operative Risk Evaluation (7.3 +/- 2.7 for CABG and 5.0 +/- 2.4 for PCI, p < 0.0001) and the presence of a left main trunk lesion (53.3% for CABG and 18.7% for PCI). Thirty-day mortality was 3.3% for CABG and 4.0% for PCI. The 2-year survival rate was 84.0% for CABG and 67.6% for PCI (p = 0.0271). The cardiac death-free curve at 2 years was 100% for CABG and 84.1% for PCI (p = 0.0122). The major adverse cardiac events-free rate at 2 years was 75.8% for CABG and 31.5% for PCI (p < 0.0001). During the follow-up period, there were 6 late deaths in the CABG group and 27 late deaths (including 6 sudden deaths) in the PCI group.
CONCLUSIONS: Coronary artery bypass grafting was superior to PCI with DES in patients with chronic renal failure on hemodialysis in terms of long-term outcomes for cardiac death, major adverse cardiac events, and target lesion revascularization. The DES carried a higher risk for sudden death, which might be associated with stent thrombosis.