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KMID : 0368120070370120647
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Korean Circulation Journal
2007 Volume.37 No. 12 p.647 ~ p.655
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Long-Term Clinical Outcomes of Percutaneous Coronary Intervention Using Drug-Eluting Stents in Octogenarians and Older
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Lee Sun-Hwa
Chae Jei-Keon
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Abstract
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Background and Objectives: In this current era of using drug-eluting stents (DES), studies that demonstrate the feasibility and clinical outcome of percutaneous coronary intervention (PCI) using DES in a subset of extremely aged patients are lacking. We investigated the clinical characteristics, therapeutic and clinical outcomes of patients older than 80 years that had been implanted with DES during a PCI.
Subjects and Methods: Fifty-three "octogenarian" patients (≥80-years-old) and 1036 "non-octogenarian" patients (<80-years-old) that had been implanted with DES at Chonbuk National University Hospital since March 2003 were enrolled in the study. Medical records of the patients in the two groups were retrospectively reviewed.
Results: The mean ages of the patients in the two groups were 83±2 years and 62±11 years, respectively, and the mean follow-up period was 15.8±10.9 months and 21.1±10.8 months, respectively. The octogenarian group showed an increased prevalence of female patients (58.5% vs. 35.1%, p=0.001), acute coronary syndrome (98.1% vs. 78.6%, p=0.001), ST-segment elevation myocardial infarction (41.5% vs. 28.3%, p=0.003), shock (17.0% vs. 6.6%, p=0.004), heart failure (22.6% vs. 9.3%, p=0.002) and a higher in-hospital major adverse cardiac event (MACE) rate (13.2% vs. 3.5%, p=0.004) than the non-octogenarian patients. Angiographic restenosis and target lesion revascularization rates were not different in both groups, but overall MACE (18.9% vs. 9.9%, p=0.035) and all-cause mortality (p<0.001) rates were significantly higher in the octogenarian group of patients.
Conclusion: Although angiographic follow-up results were comparable in octogenarians and non-octogenarians, the occurrence of short- and long-term MACE was significantly higher in the very elderly group owing to a substantial subset of high-risk patients
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KEYWORD
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Aged, 80 and over, Coronary disease, Stents
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