ELECTRODIAGNOSTIC FEATURES OF TRUE NEUROGENIC THORACIC OUTLET SYNDROME

被引:57
|
作者
Tsao, Bryan E. [1 ]
Ferrante, Mark A. [2 ]
Wilbourn, Asa J. [3 ]
Shields, Robert W., Jr. [3 ]
机构
[1] Loma Linda Univ, Sch Med, Dept Neurol, Loma Linda, CA 92354 USA
[2] Univ Tennessee, Ctr Hlth Sci, Dept Neurol, Memphis, TN 38163 USA
[3] Cleveland Clin, Neuromuscular Ctr, Cleveland, OH 44106 USA
关键词
brachial plexopathy; cervical rib syndrome; electromyography; lower plexus; true neurogenic thoracic outlet syndrome; ANTEBRACHIAL CUTANEOUS NERVE; BRACHIAL PLEXOPATHIES; CERVICAL RIB; CONDUCTION; DIAGNOSIS; SURGERY; BAND;
D O I
10.1002/mus.24066
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Introduction: We report the electrodiagnostic (EDX) features of 32 patients with surgically verified true neurogenic thoracic outlet syndrome (TN-TOS). Methods: Retrospective record review. Results: We found uniform EDX evidence of a chronic axon loss process that affected the lower portion of the brachial plexus and disproportionately involved the T1 more than the C8 sensory and motor fibers. Because of this relationship, the medial antebrachial cutaneous sensory nerve (T1) and median motor (T1>C8) study combination was abnormal in 89%, whereas response combinations that primarily assessed the C8 fibers were less frequently affected. Conclusions: The characteristic EDX features of TN-TOS are T1>C8 nerve fiber involvement. A comprehensive EDX examination of the lower plexus with contralateral comparison studies is imperative to diagnose this disorder accurately. Muscle Nerve49: 724-727, 2014
引用
收藏
页码:724 / 727
页数:4
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