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弥漫性轴索损伤(D iffuse axonal injury,D A l)是指头部遭受钝性外力作用后所引起的以脑白质轴索弥漫性损伤为主要特征的一种脑损伤。损伤后果严重,有学者认为在重型颅脑损伤中D A I占28%～42%,死亡率达42%～62%。A dam s等观察到外伤性重症颅脑损伤患者中有13%～28%为闭合性D
Difeflex axonal injury (D A l) is a type of brain injury characterized mainly by diffuse brain white matter axonal injury caused by the blunt external force of the head. Serious consequences of injury, some scholars believe that in severe traumatic brain injury DA accounted for 28% to 42%, the mortality rate of 42% to 62%. A dam s other observed traumatic severe craniocerebral injury in 13% to 28% of the closed D