title: [Subdural tension pneumocephalus after trephination for chronic subdural hematoma].
abstract: Symptomatic tension pneumocephalus developed after an evacuation of chronic subdural hematoma is reported. In this 71 year-old man, a rapid deterioration of consciousness was noted 5 days after a trephination for bilateral chronic subdural hematomas. An evacuation of hematoma was performed under a local anesthesia, and the preoperative and immediate postoperative course was uneventful. Subdural tension pneumocephalus was confirmed by typical CT findings and treated by re-trephination and drainage. The literature on the tension subdural pneumocephalus was reviewed, and the mechanism of its development was briefly discussed.
mesh_terms: D000368:Aged; D000772:Anesthesia, Local; D002908:Chronic Disease; D006408:Hematoma, Subdural / Q000601:surgery*; D006801:Humans; D008297:Male; D011007:Pneumocephalus / Q000000981:diagnostic imaging / Q000209:etiology*; D012086:Reoperation; D013355:Subdural Space; D014057:Tomography, X-Ray Computed; D014207:Trephining / Q000009:adverse effects*