外傷後脳空気塞栓症の1例

A Case of Posttraumatic Cerebral Air Embolism

I．はじめに

　脳空気塞栓症の診断は従来それが起こり得る条件の存在と臨床症状に基づいていたが，最近CTで空気像が認められる例が報告されるようになった．剖検においても血管内に空気を証明することは容易でなく，放射線学的な方法の方が良いという意見もある．われわれの施設でもCTと頭蓋単純写真で脳血管内に空気を認めた症例を経験したので文献的考察を加えて報告したい．

We report a case of cerebral air embolism that occur-red after chest trauma. The diagnosis was confirmed by CT and skull roentgenogram which demonstrated air bubbles in intracranial arteries. It is well recognized that cerebral air embolism is caused by various di-agnostic and therapeutic procedures, and trauma. But it may often be overlooked because it is diagnosed clini-cally and there are no characteristic symptoms nor signs. Although various ways of treatment have been reported, prevention and early diagnosis are the most important.