【摘要】 本文分析了50例经手术证实的外伤性硬脑膜下积液。发现本病有如下特点;(1)积液多见于头部对冲性损伤的部位;(2)单纯性积液者脑的原发性损害较轻;(3)钻孔排液或引流后,病情迅速改善;(4)积液的蛋白含量均有增高。认为本病的形成与下述机理有关:(1)外伤瞬间产生的颅内各分腔的压力平衡失调导致蛛网膜破裂;(2)蛛网膜下腔液体外出可能有三种作用机理,即压差,搏动和渗透作用。 文中对本病的病理表现作了细致的描述,并就积液的蛋白含量增高与本病的形成进行了探讨,后者可能与受损脑表的渗出有关;因而认为手术时引流硕脑膜下腔具有重要的意义。更多还原

【Abstract】 50 cases of traumatic subdural fluid accumulation(TSFA) verified by operation are analysed in this paper. It was found that TSFA had a series characteristics as follows, 1) The fluid accumulation was frequently seen in the location of contrecoup contusion. 2) The primary brain damage was mild in the simple TSFA. 3) patient was improved rapidly after the accumulated fluid was evacuated by cranial burr hole and drainage. 4) The protein contents of the accumulated fluid was high in all cases.It was thought that the formation of TSFA mighbe due to inequilibrium in pressure of each intracranial compartment and then the arachnoid membrane was torn in the moment of injuries. There were some fluid exudated from the damaged brain tissue and transfered into the subdural space due to osomlarization or following pulsation of brain tissue. According to our experiences, evacuation or drainage of the fluid are valuable in treating this disease.更多还原