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Revista médica de Chile

Print version ISSN 0034-9887

Abstract

STOCKINS, BENJAMÍN et al. Chilean results of the international registry of risk factors and treatment of unstable angina and non ST elevation myocardial infarction: ACCORD (ACute CORonary syndrome Descriptive study). Rev. méd. Chile [online]. 2011, vol.139, n.1, pp.19-26. ISSN 0034-9887.  http://dx.doi.org/10.4067/S0034-98872011000100003.

Background: Guidelines for the management of unstable angina (UA) and non ST elevation myocardial infarction (NSTEMI) have been issued, however cu-rrent practices are unknown in Chile. Aitn: To evalúate in a prospective cohort of NSTEMI patients the current practices, treatments and risk factors. Material and Methods: Oneyear prospective International non interventional registry, conducted in Chile between January 2005 and November 2006. Results: Two hundred thirty three Chilean NSTEMI patients were enrolled. Mortality was 5.5% at the end ofthe follow-up. Mean age was 61.6 years, and 30.6% were female. Most of the patients had at least one risk factor (98%): hypertension (84%), previous myocardial infarction (33%), dyslipidemia (54%), diabetes (33%), current smoking (30%). Main procedures duringthe hospitalization were coronary angiogram (67%), angioplasty (33%; 88% with stent) and coronary bypass surgery (7%). Duringprocedures, 31% of patients received clopidogrel, and 4.2% glycoprotein Ilb/IIIa antagonists. Medical management was selected for 60% of patients. In comparison to men, women received less interventional procedures despite havingmore risk factors. Treatments prescribed at discharge were aspirin (97%), clopidogrel (49%), beta blockers (78%), diuretics (21%), lipid lowering agents (78%), oral hypoglycemic agents (13%) and insulin (9%). At the end ofthe 1-year follow-up, treatments were aspirin (84%), beta blockers (72%), diuretics (19%), and dual antiplatelet therapy with clopidogrel (16%). Conclusions: A high prevalence of múltiple risk factors for cardiovascular disease in Chilean patients with NSTEMI was observed. More aggressive primary and secondary preventive measures are urgently needed. Use of therapies proposed in the guidelines is high, but dual antiplatelet therapy is less than 50% at discharge and decreases during the one year-follow-up.

Keywords : Coronary artery disease; Myocardial infarction; Risk factors.

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