ELECTRODIAGNOSTIC STUDIES IN TRAUMATIC RADIAL NERVE INJURY

Oanh Nguyễn Thị Kim

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Abstract

Background: The radial nerve is a commonly injured nerve. The inability to extend the wrist results in a loss of hand function and dexterity that affects patients' ability to perform their activities of daily living. Finding a solution to traumatic radial nerve injuries is one of the great challenges faced by doctors. Electrodiagnostic studies are the best methods for localizing and assessing the severity of a radial nerve injury. Objective: To describe the epidemiology, lesions localization, the etiologies of traumatic radial nerve injury and evaluation the characteristics of traumatic radial nerve injury by Electrodiagnostic studies. Subjects and methods: A convenient sample of 128 patients with traumatic radial nerve injury at the hospital for Traumatology and Orthopaedics, Ho Chi Minh city from 1/4/2020 – 31/12/2020. Cross sectional study. Results: 128 patients with traumatic radial nerve injury, 79,7% male, 20,3% female. The mean age was 33 ± 11 years. Accidents at home with sharp objects is the most common cause of traumatic radial nerve injury. Reduction or loss of compound muscle action potential (CMAP) 85,9% and sensory neuronal activation potential (SNAP) 65,6%. Spontaneous activity electricity occupied 100%. Axonal injuries 100% and the level of incomplete injury was more common. Conclusion: Traumatic radial nerve injury is more common in male than female. Accidents at home with sharp objects is the most common cause. CMAP, SNAP always reduce or lost. Spontaneous activity electricity, axonal damages and level of incomplete damage was more commonly found.

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References

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