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  • Title: Thirty day prognosis of patients with acute pulmonary oedema complicating acute coronary syndromes.
    Author: Figueras J, Peña C, Soler-Soler J.
    Journal: Heart; 2005 Jul; 91(7):889-93. PubMed ID: 15958356.
    Abstract:
    OBJECTIVES: To investigate the characteristics of the acute coronary syndromes underlying acute pulmonary oedema and their 30 day prognosis. PATIENTS: 185 consecutive patients with acute coronary syndromes and acute pulmonary oedema admitted to a tertiary care centre. MAIN OUTCOME AND MEASURES: Clinical, ECG, echocardiographic, enzymatic, and angiographic features were prospectively investigated. RESULTS: Non-ST segment elevation myocardial infarction (NSTEMI) was the most frequent cause of acute pulmonary oedema (61%) followed by unstable angina (UA; 21%) and ST segment elevation myocardial infarction (STEMI; 18%). In each group, mean age was > or = 70 years, but NSTEMI patients were the oldest and > or = 65% of patients had chronic hypertension. Moreover, patients with NSTEMI and UA were older and had a higher incidence of diabetes, previous myocardial infarction, and moderate to severe mitral regurgitation but a similarly reduced ejection fraction (NSTEMI, 41%; UA, 39%; and STEMI, 39%) and increased incidence of diastolic dysfunction and rate of multivessel disease (94%, 87%, and 86%, respectively). However, patients with STEMI had a higher creatine kinase MB peak concentration (158 v 76 microg/l in the NSTEMI group, p < 0.001) and 30 day mortality (26% v 9% in the NSTEMI group and 8% in the UA group, p < 0.024). Multivariate analysis identified ejection fraction < 40% and a peak creatine kinase MB concentration > 100 microg/l as the main prognostic markers (p < 0.03). CONCLUSIONS: Acute pulmonary oedema is mostly a complication of elderly hypertensive patients with NSTEMI or UA (82%) and with multivessel disease often associated with mitral regurgitation. On the other hand, the larger infarct size and higher mortality in patients with STEMI with a similarly reduced ejection fraction suggest a more extensive acute systolic loss.
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