[Tracheotomy in chronic obstructive pulmonary disease complicated by respiratory failure: clinical analysis of 19 cases].
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal; D008173:Lung Diseases, Obstructive / Q000150:complications* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D012131:Respiratory Insufficiency / Q000209:etiology / Q000628:therapy*; D014140:Tracheotomy