Recent Characteristics and Outcomes of Japanese Stable Angina Pectoris After Percutaneous Coronary Intervention:An Observational Cohort Study Using the Shinken Database

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The mortality and morbidity of patients with stable angina pectoris (SAP) after percutaneous coronary intervention (PCI) in Japan differ from those in Western countries, although Japanese data are limited. We selected from the Shinken Database a single-hospital-based cohort of Japanese patients (<I>n</I> = 15,227) who visited The Cardiovascular Institute between 2004 and 2010 to undergo PCI. We followed-up the patients after PCI. A major adverse cardiac event (MACE) was defined as composite endpoints including all-cause death, acute myocardial infarction (AMI), and target-lesion revascularization (TLR). This study included 747 SAP patients (median follow-up period, 1,000 ± 703 days). The allcause mortality rate in SAP was 1.3% at 1 year, 2.7% at 3 years, and 6.1% at 5 years. The AMI rate was 0.5% at 1 year, 1.1% at 3 years, and 3.0% at 5 years, and the MACE rate was 14.0% at 1 year, 17.6% at 3 years, and 25.6% at 5 years. Moreover, new lesion PCI and heart failure admission continued to occur beyond 1 year after PCI without attenuation of their annual incidences up to 5 years. Multivariate analysis showed that poor left ventricular ejection fraction, chronic kidney disease (CKD), and absence of statin treatment were independent predictors of all-cause death of SAP patients after PCI. The results of the present study revealed the characteristics and long-term outcomes of Japanese SAP patients after PCI. The results of the present study suggest cardiorenal interaction and statin treatment play important roles in the long-term outcomes of Japanese CAD patients treated by PCI.
International Heart Journal刊行会の論文

Recent Characteristics and Outcomes of Japanese Stable Angina Pectoris After Percutaneous Coronary Intervention:An Observational Cohort Study Using the Shinken Database

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