肘关节体位对尺神经电生理检查的影响  

Position of elbow joint influences electropbysiological examination of ulnar nerve

作　　者：成效敏[1] 顾玉东[1] 沈丽英[1] 董震 

机构地区：[1]上海医科大学附属毕山医院手外科

出　　处：《中华手外科杂志》1995年第3期171-173,共3页Chinese Journal of Hand Surgery

摘　　要：为了解肘关节体位改变时肘段风神经电生理变化，于１９９１年３月至１９９１年１２月对１５侧肘管综合征患者进行测试．在极度屈肘位时，肘段风神经长度平均比伸肘位增加２．１２±０．６１ｃｍ。术前屈肘位时肘段尺神经潜伏期比伸肘位延长１．１７±１．１５ｍｓ。术中尺神经从肘管松解出来前，屈肘位潜伏期比伸肘位延长１．４３±１．３８ｍｓ。本组术前和术中松解前，屈肘位潜伏期比伸肘位延长超过０．４ｍｓ的占９０％．因此可作为肘段尺神经卡压的电生理诊断依据之一。屈肘位时肘段尺神经长度增加，若不影响潜伏期，则传导速度加快；若加重了卡压，引起潜伏期延长．则使传导速度减慢。To investigate foe influence of elbow joint position on electrophysiological features of the ulnarnerve at the elbow, we examined 15 cases of cubital tunnel syndrome from March, 1991 to December,1991. The Latency periud of the ulnar nerve at the elbow in full flexion was 1. 17± 1. 15ms longer thanthat in extensiom bfore surgery. Befure the nerve was released from cubital tunnel during operation,the latency Period of the ulnar nerve at the elbow in full flexion was 1. 43± 1.38ms longer than that inextension The ulnar nerve at the elbow was 2. 12 ± 0. 61cm longer than that in extension. Beforeoperation and before release during uperation, 90 % cases had a latency period in elbow flexion position0. 4ms longer than in extension position. We consider the results as helpful in the diagnosis of ulnarnerve compression at the elbow region.

关 键 词：尺神经 肘关节 电生理学 肘管综合征 

分 类 号：R745.04[医药卫生—神经病学与精神病学]