随着现代工业和交通运输的高速发展,颅脑损伤发生率明显增多,伤势也日趋严重和复杂。外伤性颅内血肿已成为颅脑损伤致死的主要原因之一。国外尽管有先进的诊断技术设备,但血肿的死亡率仍在30%左右。国内北京、天津等地1964年血肿死亡率为44.4%,宣武医院 With the rapid development of modern industry and transportation, the incidence of traumatic brain injury has increased significantly, and the injuries have become increasingly serious and complicated. Traumatic intracranial hematoma has become one of the main causes of death caused by brain injury. Despite advanced diagnostic technology and equipment abroad, but the hematoma mortality rate is still about 30%. In 1964, the hematoma death rate in China, Beijing and Tianjin was 44.4%. Xuanwu Hospital