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It is still controversial whether percutaneous coronary intervention (PCI) is effective in improving in-hospital survival in very elderly patients. Therefore, using data from the Tokai Acute Myocardial Infarction Study II, we studied the effect of emergency PCI on the in-hospital mortality of very elderly (80+ years of age) patients with acute myocardial infarction (AMI). The study was a prospective study of all consecutive patients admitted to the 15 acute care hospitals in the Tokai region with the diagnosis of AMI from 2001 to 2003. A total of 211 patients undergoing emergency PCI and 176 patients not undergoing PCI were included in the present analysis. We compared the baseline and procedural characteristics and the clinical outcomes between the 2 groups. Patients without emergency PCI were older and had an increased prevalence of female gender, ADL impairment, and dementia in comparison with those with PCI. They also showed poorer clinical conditions. They were less likely to be transferred to intensive care or coronary care units and to be given intra-aortic balloon pumps. The patients with emergency PCI had nearly one-third the in-hospital mortality rate of the patients without emergency PCI. According to multivariate analysis, emergency PCI was still identified as an independent predictor of in-hospital death, with an adjusted odds ratio of 0.26 (95% CI, 0.07-0.97). The results indicated that emergency PCI has a preventative effect on in-hospital mortality in Japanese AMI patients 80 years of age and older.

international heart journal

Effect of Emergency Percutaneous Coronary Intervention on In-Hospital Mortality of Very Elderly (80+ Years of Age) Patients With Acute Myocardial Infarction