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Int J Cardiol ; 167(4): 1406-11, 2013 Aug 20.
Artigo em Inglês | MEDLINE | ID: mdl-22578736


BACKGROUND/OBJECTIVES: This study assesses adherence to performance measures for acute myocardial infarction (AMI) in six Middle-Eastern countries, and its association with in-hospital mortality. Few studies have previously assessed these performance measures in the Middle East. METHODS: This cohort study followed 5813 patients with suspected AMI upon admission to discharge. Proportions of eligible participants receiving the following performance measures were calculated: medications within 24 hours of admission (aspirin and beta-blocker) and on discharge (aspirin, beta-blockers, angiotensin converting enzyme inhibitors [ACEI], and lipid-lowering therapy), reperfusion therapy, and low-density lipoprotein (LDL) cholesterol measurement. A composite adherence score was calculated. Associations between performance measures and clinical characteristics were assessed using multivariate logistic regression. RESULTS: Adherence was above 90% for aspirin, reperfusion, and lipid-lowering therapies; between 60% and 82% for beta-blockers, ACEI, statin therapy, time-to-balloon within 90 minutes, and LDL-cholesterol measurement; and 33% for time-to-needle within 30 minutes. After adjustment, factors associated with high composite performance score (>85%) included Asian ethnicity (Odds Ratio, OR=1.3; p=0.01) and history of hyperlipidemia (OR=1.4; p=0.001). Factors associated with a lower score included atypical symptoms (OR=0.6; p=0.003) and high GRACE score (OR=0.6; p<0.001). Lower in-hospital mortality was associated with provision of reperfusion therapy (OR=0.54, p=0.047) and beta-blockers within 24 hours (OR=0.33, p=0.005). CONCLUSIONS: Overall adherence was lowest among the highest-risk patients. Lower in-hospital mortality was independently associated with adherence to early performance measures, comprising observational evidence for their effectiveness in a Middle East cohort. These data provide a focus for regional quality improvement initiatives and research.

Mortalidade Hospitalar/etnologia , Adesão à Medicação/etnologia , Infarto do Miocárdio/tratamento farmacológico , Infarto do Miocárdio/etnologia , Antagonistas Adrenérgicos beta/uso terapêutico , Adulto , Idoso , Inibidores da Enzima Conversora de Angiotensina/uso terapêutico , Aspirina/uso terapêutico , Estudos de Coortes , Feminino , Humanos , Inibidores de Hidroximetilglutaril-CoA Redutases/uso terapêutico , Masculino , Pessoa de Meia-Idade , Oriente Médio/etnologia , Infarto do Miocárdio/mortalidade , Estudos Prospectivos , Sistema de Registros , Resultado do Tratamento