Neuromuscular ultrasound findings in carpal tunnel syndrome with symptoms mainly in the nondominant hand.

Abstract:

BACKGROUND:Carpal tunnel syndrome (CTS) may be associated with structural lesions or anatomical variations at the wrist, especially in patients whose symptoms are more severe in, or limited to, the nondominant hand. The aims of this study were to identify the type and frequency of structural abnormalities and anatomical variations, and to demonstrate the contribution of ultrasound in this subgroup of CTS patients. METHODS:A retrospective chart review was performed on all patients referred to the electromyography laboratory who fulfilled the diagnostic criteria for CTS and who underwent neuromuscular ultrasound. RESULTS:Of 114 CTS patients with symptoms mainly in nondominant hand, 51 (44.7%) had structural abnormalities or anatomical variations detected by ultrasound. In multivariable analysis, symptoms mainly in the nondominant hand and a body mass index (BMI) <30 kg/m2 were the only independent variables significantly associated with structural findings, odds ratios 2.3 (P < .001) and 1.9 (P = .006), respectively. CONCLUSIONS:Neuromuscular ultrasound, in addition to electrodiagnostic studies, should be considered in all CTS patients with symptoms more severe in nondominant hand as a significant number have abnormal structural abnormalities or anatomical variations that may be causative or change the therapeutic approach.

journal_name

Muscle Nerve

journal_title

Muscle & nerve

authors

Chompoopong P,Preston DC

doi

10.1002/mus.27148

subject

Has Abstract

pub_date

2020-12-21 00:00:00

eissn

0148-639X

issn

1097-4598

pub_type

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