Tracheostomy and artificial ventilation in chronic lung disease.
D000328:Adult; D000368:Aged; D001784:Blood Gas Analysis; D001991:Bronchitis; D005260:Female; D005500:Follow-Up Studies; D006331:Heart Diseases; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006931:Hyperbaric Oxygenation; D008297:Male; D008875:Middle Aged; D011175:Positive-Pressure Respiration; D011656:Pulmonary Emphysema; D012121:Respiration, Artificial; D012131:Respiratory Insufficiency / Q000401:mortality / Q000628:therapy*; D014140:Tracheotomy; D012122:Ventilators, Mechanical