title: [Pericardial effusion predicts mortality in patients with chronic obstructive pulmonary disease].
abstract: OBJECTIVE
  Chronic obstructive pulmonary disease (COPD) is an increasingly important cause of morbidity and mortality worldwide. Pericardial effusion (PE) is a current issue proven to be a mortality predictor, especially in pulmonary arterial hypertension. In this study, we aimed to evaluate the prognostic value of PE in COPD.
  
  
  METHODS
  The study cohort consisted of 488 COPD patients and a control group of 50 healthy patients. At the start of the study, 37 patients (7.5%) had PE. Mean follow-up time was 12 months (range; 1-16 months). Clinical spirometric and echocardiographic data were compared between patients with PE(+) group (n=37), patients without PE(-) group (n=451) and the healthy control group.
  
  
  RESULTS
  Right ventricular functions were more depressed and pulmonary arterial pressure was more elevated in the PE(+) group. Also, Kaplan-Meier survival curve analysis showed that at one-year follow- up, mortality was higher in the PE(+) group: PE(-) group 139 (30.8%), PE(+) group 21 (56.8%) log-Rank p value: 0.009). Age, presence of PE, and oxygen usage were independent predictors of mortality in Cox regression analysis.
  
  
  CONCLUSIONS
  Presence of PE predicts mortality in COPD patients at one-year follow-up.
authors: Department of Cardiology, Süreyyapaşa Thoracic Surgery Training and Research Hospital, İstanbul, Turkey. karabaymd@yahoo.com.
authors: Can Yücel
authors: CY
authors: Karabay
authors: Department of Cardiology, Süreyyapaşa Thoracic Surgery Training and Research Hospital, İstanbul, Turkey.
authors: Gökhan
authors: G
authors: Göl
authors: Department of Cardiology, Koşuyolu Heart Training and Research Hospital, İstanbul, Turkey.
authors: Arzu
authors: A
authors: Kalaycı
authors: Department of Cardiology, Koşuyolu Heart Training and Research Hospital, İstanbul, Turkey.
authors: Alev
authors: A
authors: Kılıçgedik
authors: Department of Cardiology, Süreyyapaşa Thoracic Surgery Training and Research Hospital, İstanbul, Turkey.
authors: Merve
authors: M
authors: Çiftci
authors: Department of Cardiology, Süreyyapaşa Thoracic Surgery Training and Research Hospital, İstanbul, Turkey.
authors: Hakan
authors: H
authors: Günen
mesh_terms: D000368:Aged; D015331:Cohort Studies; D005260:Female; D006801:Humans; D053208:Kaplan-Meier Estimate; D008297:Male; D008875:Middle Aged; D010490:Pericardial Effusion / Q000150:complications* / Q000453:epidemiology / Q000401:mortality*; D016016:Proportional Hazards Models; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications* / Q000453:epidemiology / Q000401:mortality*; D014421:Turkey / Q000453:epidemiology