[摘要] 目的 探讨外伤性硬膜下积液及演变为慢性硬膜下血肿的机制及治疗。 方法 回顾性分析从2008年3月—2016年3月该院收治的84例外伤性硬膜下积液及演变为慢性硬膜下血肿患者的临床治疗。 结果 84例外伤性硬膜下积液，其中21例硬膜下积液和9例演变为慢性硬膜下血肿患者经手术治疗均消失或明显减少。非手术治疗54例，其中硬膜下积液消失或明显减少者35例，不增加或少许增加者19例。 结论 外伤性硬膜下积液存在逐渐增多或演变为慢性硬膜下血肿的趋势，需动态复查头颅CT或MRI，一旦有手术指征，应积极手术治疗，预后良好。

    [关键词] 外伤性硬膜下积液；慢性硬膜下血肿；颅脑损伤

    [中图分类号] R651.15 [文献标识码] A [文章编号] 1674-0742(2017)07(c)-0065-03

    [Abstract] Objective To study the mechanism and treatment of chronic subdural hematoma transformed from traumatic subdural effusion. Methods 84 cases of patients with chronic subdural hematoma transformed from traumatic subdural effusion in our hospital from March 2008 to March 2016 were selected. Results The symptoms of 21 cases with traumatic subdural effusion and 9 cases with chronic subdural hematoma transformed from traumatic subdural effusion disappearance or obviously decreased in 84 cases of patients with traumatic subdural effusion ......