• European heart journal · Jun 2007

    STEMI and NSTEMI: are they so different? 1 year outcomes in acute myocardial infarction as defined by the ESC/ACC definition (the OPERA registry).

    • Gilles Montalescot, Jean Dallongeville, Eric Van Belle, Stephanie Rouanet, Cathrine Baulac, Alexia Degrandsart, Eric Vicaut, and OPERA Investigators.
    • Institut de Cardiologie and INSERM U856, Pitié-Salpétrière University Hospital, AP-HP, 47 Boulevard de l'Hôpital, Paris 75013, France. gilles.montalescot@psl.aphp.fr
    • Eur. Heart J. 2007 Jun 1; 28 (12): 1409-17.

    AimsThe ESC/ACC redefined myocardial infarction as any amount of necrosis caused by ischaemia. The aim of this study was to describe the management and outcomes using 'real-world' data taking the new definition of acute myocardial infarction into account.Methods And ResultsA total of 2,151 consecutive patients (76.0% men) with a myocardial infarction were enrolled at 56 centres in France. The median delay to presentation was shorter in patients with ST-segment elevation myocardial infarction (STEMI) vs. non-STEMI (NSTEMI) (4 vs. 7 h, P < 0.0001). STEMI patients were more likely to receive fibrinolysis (28.9 vs. 0.7%, P < 0.0001) or undergo PCI (71.0 vs. 51.6%, P < 0.0001) but less likely to have bypass surgery (3.1 vs. 4.9%, P < 0.05). At discharge, patients with STEMI received more aggressive secondary prevention therapies than those with NSTEMI, which was not supported by differences in disease severity. A total of 1878 patients were followed-up for 1 year: 36.7% of STEMI and 41.5% of NSTEMI patients were rehospitalized (P = 0.05); 16% in both groups were revascularized. In-hospital mortality was similar (4.6 vs. 4.3%), and 1-year mortality was 9.0% in STEMI patients and 11.6% in NSTEMI patients (Log-Rank P = 0.09). Independent correlates of in-hospital mortality were untreated dyslipidaemia, advanced age, diabetes, and low blood pressure. The strongest predictors of 1-year mortality were heart failure and age. Similar predictors were found in STEMI and NSTEMI subgroups.ConclusionsDespite different management, patients with STEMI and NSTEMI have similar prognoses and independent correlates of outcome. These findings support the new definition of myocardial infarction.

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