19 February 2016 : Clinical Research
Causes of Secondary Radial Nerve Palsy and Results of Treatment
Pawel ReichertABCDEFG, Witold WnukiewiczBF, Jarosław WitkowskiBF, Aneta BocheńskaCF, Sylwia MiziaCF, Jerzy GoskAD, Krzysztof ZimmerADDOI: 10.12659/MSM.897170
Med Sci Monit 2016; 22:554-562
Abstract
BACKGROUND: The aim of this study was to analyze the causes that lead to secondary damage of the radial nerve and to discuss the results of reconstructive treatment.
MATERIAL AND METHODS: The study group consisted of 33 patients treated for radial nerve palsy after humeral fractures. Patients were diagnosed based on clinical examinations, ultrasonography, electromyography, or nerve conduction velocity. During each operation, the location and type of nerve damage were analyzed. During the reconstructive treatment, neurolysis, direct neurorrhaphy, or reconstruction with a sural nerve graft was used. The outcomes were evaluated using the Medical Research Council (MRC) scales and the quick DASH score.
RESULTS: Secondary radial nerve palsy occurs after open reduction and internal fixation (ORIF) by plate, as well as by closed reduction and internal fixation (CRIF) by nail. In the case of ORIF, it most often occurs when the lateral approach is used, as in the case of CRIF with an insertion interlocking screws. The results of the surgical treatment were statistically significant and depended on the time between nerve injury and revision (reconstruction) surgery, type of damage to the radial nerve, surgery treatment, and type of fixation. Treatment results were not statistically significant, depending on the type of fracture or location of the nerve injury.
CONCLUSIONS: The potential risk of radial nerve neurotmesis justifies an operative intervention to treat neurological complications after a humeral fracture. Adequate surgical treatment in many of these cases allows for functional recovery of the radial nerve.
Keywords: Follow-Up Studies, Intraoperative Care, Radial Nerve - surgery, Radial Neuropathy - surgery, young adult
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