• Int. J. Cardiol. · Aug 2013

    Multicenter Study Observational Study

    Adherence to ACC/AHA performance measures for myocardial infarction in six Middle-Eastern countries: association with in-hospital mortality and clinical characteristics.

    • Joseph C Longenecker, Abdulhamied Alfaddagh, Mohammad Zubaid, Wafa Rashed, Mustafa Ridha, Fahad Alenezi, Rashed Alhamdan, Mousa Akbar, Bassam Y Bulbanat, and Jassim Al-Suwaidi.
    • Department of Community Medicine, Faculty of Medicine, Kuwait University, Kuwait. jlongene@hsc.edu.kw
    • Int. J. Cardiol. 2013 Aug 20;167(4):1406-11.

    Background/ObjectivesThis 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.MethodsThis 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.ResultsAdherence 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).ConclusionsOverall 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.Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.

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