title: Preoperative intermittent positive pressure breathing therapy in patients with chronic obstructive lung disease: effect on postoperative pulmonary complications.
mesh_terms: D002908:Chronic Disease; D005069:Evaluation Studies as Topic; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D011014:Pneumonia / Q000517:prevention & control; D011175:Positive-Pressure Respiration; D011183:Postoperative Complications; D001261:Pulmonary Atelectasis / Q000517:prevention & control; D012129:Respiratory Function Tests; D012131:Respiratory Insufficiency / Q000517:prevention & control*