Stimulus electrodiagnosis and motor and functional evaluations during ulnar nerve recovery

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Abstract

Background: Distal ulnar nerve injury leads to impairment of hand function due to motor and sensorial changes. Stimulus electrodiagnosis (SE) is a method of assessing and monitoring the development of this type of injury. Objective: To identify the most sensitive electrodiagnostic parameters to evaluate ulnar nerve recovery and to correlate these parameters (Rheobase, Chronaxie, and Accommodation) with motor function evaluations. Method: A prospective cohort study of ten patients submitted to ulnar neurorrhaphy and evaluated using electrodiagnosis and motor assessment at two moments of neural recovery. A functional evaluation using the DASH questionnaire (Disability of the Arm, Shoulder, and Hand) was conducted at the end to establish the functional status of the upper limb. Results: There was significant reduction only in the Chronaxie values in relation to time of injury and side (with and without lesion), as well as significant correlation of Chronaxie with the motor domain score. Conclusion: Chronaxie was the most sensitive SE parameter for detecting differences in neuromuscular responses during the ulnar nerve recovery process and it was the only parameter correlated with the motor assessment.

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APA

Fernandes, L. F. R. M., Oliveira, N. M. L., Pelet, D. C. S., Cunha, A. F. S., Grecco, M. A. S., & Souza, L. A. P. S. (2016). Stimulus electrodiagnosis and motor and functional evaluations during ulnar nerve recovery. Brazilian Journal of Physical Therapy, 20(2), 126–132. https://doi.org/10.1590/bjpt-rbf.2014.0138

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