肘前外侧皮肤神经病的回顾性研究:49 例病例的电诊断结果和病因。

IF 3.2 Q2 CLINICAL NEUROLOGY
Vasudeva G Iyer, Lisa B E Shields, Michael W Daniels, Yi Ping Zhang, Christopher B Shields
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引用次数: 0

摘要

背景:肱前外侧皮神经(LACN)是肌皮神经的末端感觉分支,很少发生夹伤或损伤。本研究描述了 LACN 神经病变的电诊断(EDX)结果和病因:本研究回顾了 49 位接受过 EDX 检查的前臂疼痛和/或麻痹患者。LACN神经病变的诊断依据是临床和感觉传导异常:30例(61.2%)患者的LACN神经病变最常见的病因是先天性损伤,主要是肘部肱二头肌肌腱修复术(11例[36.7%])和抽血术(5例[16.7%])。有 15 名患者(30.6%)的前臂/肘部近端受到了非原发性损伤,其中包括 6 例(60%)撕裂伤和 5 例(33.3%)拉伸伤。四名(8.2%)患者属于 "其他 "病因类别,其中包括两名造成 LACN 受压的肿块病变。33例(67.3%)、27例(55.1%)和23例(46.9%)患者的LACN分布区出现疼痛、麻痹和/或麻木。45名患者(91.8%)出现了感觉减退,7名患者(14.3%)出现了感觉障碍。44 名(89.8%)患者症状侧 LACN 的感觉神经动作电位(SNAPs)缺失。在检测到LACN感觉神经动作电位的5名患者中,所有患者的感觉神经动作电位振幅都有所下降,其中两名患者的感觉潜伏期延长:结论:在该系列研究中,LACN神经病变最常见的病因是先天性损伤;肘部肱二头肌肌腱修复是最常见的诱因。在肘部和前臂的手术过程中,保护 LACN 对防止先天性损伤至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Retrospective Study of Lateral Antebrachial Cutaneous Nerve Neuropathy: Electrodiagnostic Findings and Etiologies in 49 Cases.

Background: The lateral antebrachial cutaneous nerve (LACN) is the terminal sensory branch of the musculocutaneous nerve and is rarely entrapped or injured. This study describes the electrodiagnostic (EDX) findings and etiologies of LACN neuropathy.

Methods: This is a review of 49 patients with pain and/or paresthesia of the forearm who underwent EDX studies. The diagnosis of LACN neuropathy was based on clinical and sensory conduction abnormalities.

Results: The most common etiology of LACN neuropathy was iatrogenic injury in 30 (61.2%) patients, primarily due to biceps tendon repair at the elbow (11 [36.7%]) and phlebotomy (5 [16.7%]). Fifteen (30.6%) patients sustained a non-iatrogenic injury at the proximal forearm/elbow, consisting of six (60%) laceration injuries and five (33.3%) stretch injuries. Four (8.2%) patients comprised the "other" etiology category, including two mass lesions causing LACN compression. Pain, paresthesia, and/or numbness in the LACN distribution were reported in 33 (67.3%), 27 (55.1%), and 23 (46.9%) patients, respectively. Hypoesthesia was detected in 45 (91.8%) patients, and dysesthesia in 7 (14.3%). The sensory nerve action potentials (SNAPs) of the LACN on the symptomatic side were absent in 44 (89.8%) patients. Of the five patients whose SNAPs of the LACN were detected, all had a decreased amplitude, and two had increased sensory latency.

Conclusions: The most common etiology for LACN neuropathy in this series was iatrogenic injury; repair of biceps tendon at the elbow was the most frequent provoking cause. Protection of the LACN during surgical procedures at the elbow and forearm is vital to prevent iatrogenic injury.

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来源期刊
Neurology International
Neurology International CLINICAL NEUROLOGY-
CiteScore
3.70
自引率
3.30%
发文量
69
审稿时长
11 weeks
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