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  • Title: The prognostic role of chronic obstructive pulmonary disease in ST-elevation myocardial infarction after primary angioplasty.
    Author: Lazzeri C, Valente S, Attanà P, Chiostri M, Picariello C, Gensini GF.
    Journal: Eur J Prev Cardiol; 2013 Jun; 20(3):392-8. PubMed ID: 22023803.
    Abstract:
    BACKGROUND: Chronic obstructive pulmonary disease (COPD) has been reported as a common finding in patients with acute myocardial infarction but data on its prognostic role are still controversial. METHODS: The present investigation was aimed at assessing the impact of COPD at short and long terms in 818 consecutive patients with ST-elevation myocardial infarction all submitted to percutaneous coronary intervention. RESULTS: Patients with COPD were older (p < 0.001) and more frequently smokers (p = 0.019). They showed a reduced estimated glomerular filtration rate (eGFR; p = 0.004) and a higher incidence of a more advanced coronary artery disease (p = 0.004). Patients with COPD showed higher values of N-terminal pro-brain natriuretic peptide (p = 0.004), uric acid (p = 0.005), erythrocyte sedimentation rate (p = 0.002), fibrinogen (p = 0.004), and C-reactive protein positivity (p = 0.017). Kaplan-Meier survival curve documented a significantly worse outcome in COPD patients. When age was taken into account, COPD patients aged <75 years showed a significantly worse outcome at follow up when compared to non-COPD patients aged <75 years. At multivariate analysis, the following variables were independent predictors for death at follow up: age, eGFR, COPD, and discharge left ventricular ejection fraction. CONCLUSIONS: In our series, while the presence of COPD was not significantly associated with an increased early mortality, COPD is an independent predictor of long-term mortality. In particular, long-term survival was significantly poorer in COPD patients <75 years in respect to non-COPD patients with the same age. Our data strongly suggest that age should be taken into account in the risk stratification of COPD patients with ST-elevation myocardial infarction.
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