Methods All of 47 patients with severe multiple trauma, some of them also with extradural hematoma (EDH) or subdural hematoma (SDH), were studied.

• 方法选择外伤性硬膜外和硬膜下血肿合并严重多发伤患者47例，23例行微创颅内血肿清除术，24例行开颅血肿清除术，对比两种血肿清除术在严重多发伤救治中的差异。