Long-term Clinical Outcomes after Primary Percutaneous Coronary Intervention in Patients with Acute Myocardial Infarction-on the basis of 65 Years

급성 심근경색증 환자에서 일차적 관상동맥 중재술 후 장기적 임상 경과-65세를 기준으로

  • 이한올 (동신대학교 방사선학과) ;
  • 장성주 (동신대학교 방사선학과) ;
  • 김인수 (동신대학교 방사선학과) ;
  • 한재복 (동신대학교 방사선학과) ;
  • 박수환 (전남대학교병원 심혈관센터) ;
  • 김정훈 (전남대학교병원 심혈관센터) ;
  • 장영일 (광양보건대학교 방사선과)
  • Received : 2014.02.11
  • Accepted : 2014.03.18
  • Published : 2014.05.28


Primary percutaneous coronary intervention (PCI) has been found to be superior, in terms of hospital mortality and long-term outcome, compared with thrombolytic therapy in patients with acute myocardial infarction (AMI). However, the clinical benefits of primary PCI have not been precisely evaluated in elderly patients.1,974 patients (Group I: n=1,018, $age{\geq}65years$, $73.8{\pm}5.99years$; Group II: n=956, age<65years, $52.8{\pm}7.96years$) who underwent primary PCI for AMI at Chonnam National University Hospital between 2006 and 2010 were analyzed according to their clinical, angiographic characteristics for hospital and one-year survival. Group I had a higher percentage of women, diabetes mellitus, hypertension, multi-vessel disease and lower prevalence of current smoking, hyperlipidemia, familial history than Group II. Culprit lesions were at the left anterior descending artery, left circumflex artery, right coronary artery and left main artery in 42.8% vs. 45.0%, 34.1% vs. 29.6%, 14.6% vs 14.6, 2.7% vs. 1.6%, respectively (p=0.007). Stent diameter was smaller in group I ($3.17{\pm}0.39$ vs. $3.29{\pm}0.42mm$, p=0.001). In-hospital mortality was higher in group I (8.4 vs. 1.9%, p<0.001). There were significant differences in the rates of major adverse cardiac events between the two groups during one-year clinical follow-up (20.1 vs.14.0%, p<0.001). On multiple logistic regression analysis, systolic blood pressure<100mmHg, serum $creatinine{\geq}1.3mg/dL$, Killip class> I, multivessel disease, left ventricular ejection fraction <40% and cerebro vascular disease were independent predictors of one-year motality in patients over 65 years after PCI.


Old Age;Acute Myocardial Infarction;Percutaneous Coronary Intervention


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