• Fatma Tokgoz Akyil, Hakan Gunen, Meltem Agca, Sinem Gungor, Murat Yalcinsoy, Pakize Sucu, Mustafa Akyil, and Tulin Sevim.
• Department of Chest Diseases, Sureyyapasa Chest Diseases and Thoracic Surgery Training and Research Hospital, Estambul, Turquía. Electronic address: fatmatokgoz86@gmail.com.
• Arch. Bronconeumol. 2016 Sep 1; 52 (9): 470-6.

IntroductionNoninvasive ventilation (NIV) during hospitalization for acute hypercapnic exacerbations of chronic obstructive pulmonary disease (COPD) has been shown to be effective, but data on the prognosis of such patients is limited. The aim of this study was to investigate in-hospital and long-term outcome in patients with COPD exacerbations requiring NIV treatment during hospitalization.MethodsBetween 2011 and 2013, hospitalized subjects with hypercapnic COPD exacerbations were included in this retrospective single-center cohort study. Subjects' clinical and laboratory data and survival status after a median of 27 months were recorded. The predictive factors of in-hospital and long-term mortality were analyzed.ResultsA total of 574 patients (357 men, mean age 68±11 years) were recorded. During hospitalization, 24 (4.1%) patients died. In-hospital mortality was negatively affected by lower baseline values of hematocrit, albumin, and pH, and by higher baseline leucocytes and higher 24h PaCO2. Median survival of the cohort was 27 months. Mortality at 3 and 6 months, and 1 year were 14.5%, 19.5%, and 30%, respectively. In the univariate analysis, reduction in long-term survival was found to be related to older age, higher Charlson score, lower baseline levels of hematocrit and albumin, and lower pH level after 24h. In the multivariate analysis, older age and lower albumin were identified as the strongest predictors of mortality.ConclusionLife expectancy after a COPD exacerbation requiring NIV treatment is short. Baseline blood counts and day 2 arterial blood gases levels may predict in-hospital mortality. The strongest indicators of poorer long-term outcome were advanced age and lower albumin. Such patients may need closer follow-up.Copyright © 2016 SEPAR. Publicado por Elsevier España, S.L.U. All rights reserved.

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