Tracheostomy.
D004165:Diphtheria / Q000266:history / Q000601:surgery; D006470:Hemorrhage / Q000209:etiology; D007442:Intubation, Intratracheal / Q000009:adverse effects / Q000295:instrumentation; D011030:Pneumothorax / Q000209:etiology; D011183:Postoperative Complications; D012133:Respiratory Paralysis / Q000601:surgery; D014133:Tracheal Diseases / Q000209:etiology; D014134:Tracheal Neoplasms / Q000601:surgery; D014135:Tracheal Stenosis / Q000209:etiology; D014140:Tracheotomy / Q000266:history / Q000295:instrumentation / Q000401:mortality