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2016, Number 2

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Rev Cub de Med Fis y Rehab 2016; 8 (2)

Neurophysiologic assessment on thoracic outlet syndrome

Martínez PA, Iglesias AJC, Rio VV, López HF, González RJL

Language: Spanish
References: 25
Page: 167-177
PDF size: 136.13 Kb.


ABSTRACT

Introduction: the Thoracic Outlet Syndrome (TOS) comprises numerous and overlaping disorders caused for the compression of brachial plexus and/or vascular elements to level of the called outlet thoracic.
Objective: to determine electrophysiological alterations, this sensibility and correlation with means causes of the thoracic outlet syndrome.
Methods: It´s evaluated 30 patients of both sexes with clinical diagnostic of neurogenic thoracic outlet syndrome, divided in two subgroups (one of nervous compressive cause demonstrable and other not demonstrable). At all it’s made electromyography (EMG), motor nervous conduction study (MNCS) and sensitive nervous conduction study (SNCS) of cubital nervous, SNCS of medial antebraquial cutaneous nervous (MAC) and somatosensory evoked potentials (SSEP) of medium and cubital nervous. It’s applied descriptive and inferential statistical technicals to neurophysiologic variables.
Results: the studies more sensible (positives) were: SNCS of MAC nervous and EMG (more of the 75 %), follow of the SSEP of the cubital nervous (63, 3 %). The specifics alterations more frequent were in the amplitude, follow of nervous conduction velocity and the latency in the nervous conduction studies and in the SSEP, the Erb potential latency, follow of N13-N20 interval. Not found signifycative differences of the electrophysiological alterations between both studied groups.
Conclusions: the presence of alterations in the electrophysiology studies (EMG and SNCS of MAC nervous) of patients with TOS confirm the clinical diagnostic of the syndrome with a high sensibility, although didn’t was specific to differentiate the study groups.


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