Clinical Characteristics of Patients Older than 80 Years with Acute Myocardial Infarction
Abstract: Aims: We aim to investigate the characteristics of patients older than the age of 80 with acute myocardial infarction (AMI). Methods: This retrospective study included 132 patients older than 80 years with AMI, 80 patients underwent Coronary Angiography (CAG). All patients were admitted and treated in our hospital from Oct. 2008 to Oct. 2013. We evaluated their clinical features and CAG. Results: The mean age was 83.80 ± 3.57 years old, 86 were males and 46 were females. Sixty-four patients presented typical chest pain, 68 patients didn’t present chest pain. Hypertension (92) and hyperlipidmia (92) were the most common risk factors. ST segment elevation infarction (STEMI) was present in 80 patients; the most common infarction area was inferior wall (48). None ST segment elevation infarction (NSTEMI) was present in 52 patients. The mean left ventricule ejection fraction (LVEF) of one hundred and sixteen patients was 52.41% ± 13.81%, especially 24 patients LVEF < 40%. Eighty patients underwent coronary angiography, right coronary artery (RCA) was the most frequent Infarct-Related Artery (IRA) (38). Forty-four patients had three vessels disease. Twenty patients died; the most common complications were arrithymia (92) and renal failure (50). Conclusions: The clinic manifestations of patients older than 80 years with AMI were various. NSTEMI ratio was relatively high comparing with younger. Hypertension and hyperlipidemia were the most common risk factors. The most frequent situations were inferior wall MI, three vessels disease, and RCA being the IRA. Mortality was high, and the most common complications were arrithymia and renal failure.
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