Surgical Treatment of Radial Nerve Injury

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Journal of the Korean Society for Surgery of the Hand 1997;2(1):90-99.
Published online January 1, 1997.

Kwang Suk Lee,Sang Won Park,Dae Gon Wie

요골 신경 손상의 수술적 치료

이광석,박상원,위대곤

Abstract

Radial nerve injury is caused by variety of etiologies, mainly traumatic. It is primarily a motor nerve and loss of its function leads to a significant disability. Surgical treatments of radial nerve comprise of neurolysis(intemal or extemal), neurorrhaphy(epineural, perineural or epi-perineural), nerve graft and tendon transfer. However, these are still controversies in treatment methods and time of operation. Authors experienced 23 cases of radial nerve injuries who were treated by operative methods and followed up over 1 year's duration. The male to female ratio was 18 to 5 and mean age was 30.7 years old. The causes were 13 cases in fractures, 5 cases in crushing injury, 3 cases in laceration, 1 case in CO poisoning and 1 case in unknown cause. The summary of the study were as follows: l. Excellent or good results were obtained in overall 16 cases among 23 cases 5 of 9 cases in neurolysis, 3 of 3 cases in neurorrhaphy, 2 of 3 cases in nerve graft and 6 of 8 cases in tendon transfer. 2. In cases of neurorrhaphy and nerve graft, primary or delayed repair showed excellent or good results and neurolysis performed before 6 months leads to better results. But there was no correlations between the time of injury and operation in tendon transfer. 3. The radial nerve injury associated with extensive soft tissue defect or any conditions that leads to nerve ischemia resulttd in poor prognosis. 4. The patients aged under 40 years showed better prognosis in clinical results according to the age of surgical treatment. 5. If the surgeon decide the method, and the time of operation through the exact evaluation of the factors which influencing the end result such as age of the patient, level and type of injury. extent of nerve lesion and the associated tissue injury, good result could be expected.

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