• Rev Esp Cardiol · Mar 2006

    Comparative Study

    [Reduction in acute myocardial infarction mortality over a five-year period].

    • Magda Heras, Jaume Marrugat, Fernando Arós, Xavier Bosch, José Enero, Miguel A Suárez, Pedro Pabón, Pablo Ancillo, Angel Loma-Osorio, Juan J Rodríguez, Isaac Subirana, Joan Vila, and en representación de los investigadores del estudio PRIAMHO.
    • Servicio de Cardiología, Hospital Clínic, Barcelona, España. mheras@clinic.ub.es
    • Rev Esp Cardiol. 2006 Mar 1; 59 (3): 200-8.

    Introduction And ObjectivesTo assess recent changes in the management of patients with acute myocardial infarction (AMI) and their impact on mortality using data from the PRIAMHO I and II registries (1995 and 2000).Patients And MethodOf the 168 public hospitals in Spain, 24 and 58 contributed to the 1995 and 2000 PRIAMHO registries, respectively.ResultsPatients in the PRIAMHO II registry (n=6221) were significantly older, more often female, and proportionally more likely to have coronary risk factors or a previous myocardial infarction, or to have undergone revascularization than those in PRIAMHO I (n=5242). Reperfusion therapy was administered more often (46.9% vs 41.9%, P<.001) and earlier (48 min vs 60 min, P<.001). Antiplatelet drugs were given to 96.1% vs 89.1% of patients, beta-blockers to 51.1% vs 30.1%, and ACE inhibitors to 41.6% vs 24.9% (P<.001 for all comparisons). In addition, 28-day mortality was 11.3% and 14.2% (P<.001), respectively, and one-year mortality, 16.4% and 18.5% (P<.001), respectively. The adjusted hazard ratio for mortality at one year in PRIAMHO II compared with PRIAMHO I was 0.78 (95% CI, 0.70-0.86, P<.001; adjusted for age, sex, diabetes, smoking, dyslipemia, hypertension, previous MI and CABG, ST-elevation status and Killip class at admission, and hospital characteristics).ConclusionsEven though patients registered in 2000 formed a higher risk group than those registered in 1995, one-year mortality after AMI decreased by 22% over the five-year period. This improvement was due to more frequent and earlier reperfusion therapy and better use of antithrombotics, beta-blockers and ACE inhibitors.

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