• COPD · Jun 2018

    Observational Study

    Postoperative outcomes of frequent exacerbator patients with Chronic Obstructive Pulmonary Disease after resection of Non-Small Cells Lung Cancer.

    • Suela Demiri, Christine Lorut, Antoine Rabbat, Daniel Luu van Lang, Aurelie Lefebvre, Jean-François Regnard, Charles-Marc Samama, Daniel Dusser, Nicolas Roche, and Marco Alifano.
    • a Departement of Anesthesia, Paris Center University Hospital , Paris Descartes University , Paris , France.
    • COPD. 2018 Jun 1; 15 (4): 361-368.

    AbstractChronic obstructive pulmonary disease (COPD) is a risk factor of post-operative complications after lung cancer resection. The influence of the "frequent exacerbator (FE)" phenotype (at least three exacerbations per year) is unknown. Postoperative outcomes of frequent exacerbators (POFE) was a prospective observational study of patients with COPD undergoing lung resection for cancer. The inclusion criteria were: age >40 years, FEV1/FVC <70%, non-urgent surgery for lung cancer, filled out self-questionnaires. The primary outcome was assessment of postoperative pulmonary complications (purulent tracheobronchitis, atelectasis, pneumonia, acute respiratory failure, need of mechanical ventilation). Secondary outcomes encompassed the prevalence of the FE phenotype and its impact on postoperative complications. A total of 682 patients were screened from June 2014 to October 2015. 93 patients with COPD were included, 21 (23%) were FE. Postoperative tracheobronchitis, atelectasis pneumonia or respiratory failure (isolated or associated) occurred in 47%, 48%, 26%, and 38% of patients, respectively. Non-invasive and invasive mechanical ventilation were necessary in 4 (4%) and 22 (23%) patients. Purulent tracheobronchitis, pneumonia and hypercapnia (this last requiring noninvasive mechanical ventilation) were more frequent in FE (p = 0.043, 0.042, 0.015); however the number of patients wth at least one respiratory complication was not different (76% vs. 52%, p = 0.056). In all patients, multivariate logistic regression identified two independent factors of postoperative respiratory complications: male sex (OR 10.6 [95% CI 1.97-57.6], p = 0.006) and the FE phenotype (OR 6.33 [1.04-38.39], p = 0.045). Occurrence of postoperative complications in patients with COPD is high. FE phenotype is an independent risk factor.

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