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  • Title: Treatment with statins after acute myocardial infarction in patients >or=80 years: underuse despite general acceptance of drug therapy for secondary prevention.
    Author: Kvan E, Pettersen KI, Landmark K, Reikvam A, INPHARM study investigators.
    Journal: Pharmacoepidemiol Drug Saf; 2006 Apr; 15(4):261-7. PubMed ID: 16315337.
    Abstract:
    PURPOSE: It has not been decided to what extent the results from statin trials should be transferred to clinical practice in the very old. The aim of the study was to assess the use of cardiovascular drugs after an acute myocardial infarction (MI), with particular focus on statins, in very old patients as compared to younger patients. METHOD: A sample of 901 acute MI patients was drawn from 16 hospitals in 1999/2000; the patients were followed up for 2.5 years. Information on demographic variables and drug therapy was obtained from hospital records, and in the follow-up period by direct patient contact or questionnaire. The main indications for prescribing the various cardiovascular drugs were recorded. RESULTS: At discharge, drug use in patients >or=80 and <80 years, respectively, was as follows: ACE-inhibitors 48 versus 32%, nitrates 55 versus 32%, diuretics 64 versus 26%, aspirin 72 versus 86%, and beta-blockers 67 versus 85%. A striking difference was found for statins: 9% in the very old and 72% in younger patients. The pattern of drug use generally remained unchanged after 2.5 years. Survival rates for patients >or=80 and <80 years: at discharge 72 versus 90%, after 2.5 years 34 versus 73%. CONCLUSIONS: Drug therapy was widely accepted for the indication secondary prevention after MI in patients above 80 years of age. The various cardiovascular drugs were prescribed to about the same extent for very old and younger patients. The exception was lipid lowering drugs which, despite the physicians' recognition of the indication secondary prevention in the very old patients, were prescribed to a limited extent.
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