脑干损伤是指中脑、桥脑、延髓部分的挫裂伤,在外界暴力直接作用下造成的脑干损伤称为原发性脑干损伤,是脑挫裂伤中最严重的特殊类型,常与弥散性脑损伤并存,临床主要表现为长时间昏迷、瞳孔散大、四肢瘫痪和锥体束征阳性,症状迁延数周甚至数月,病死率高达60%~70%[1]。本院2003 Brainstem injury refers to the midbrain, pons, bulbar part of the contusion and laceration, caused by direct external violence under the brain stem injury is called primary brain stem injury, cerebral contusion is the most serious type of special, Often associated with diffuse brain injury coexist, the main clinical manifestations of a long coma, mydriasis, quadriplegia and pyramidal tract signs positive symptoms of prolonged weeks or even months, the mortality rate as high as 60% to 70% [1]. Our hospital 2003