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 ORIGINAL ARTICLE
Year : 2017  |  Volume : 65  |  Issue : 3  |  Page : 551--555

Peripheral nerve injuries: A retrospective survey of 1124 cases


Department of Neurological Sciences, Neuromuscular Investigation Laboratory, Faculdade de Medicina de São José do Rio Preto (FAMERP), São Paulo, Brazil

Correspondence Address:
Joćo A Kouyoumdjian
Department of Neurological Sciences, Neuromuscular Investigation Laboratory, Faculdade de Medicina de São José do Rio Preto (FAMERP), São Paulo
Brazil
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/neuroindia.NI_987_16

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Background: Peripheral nerve injuries (PNIs) remain an important health problem often leading to severe motor disabilities predominantly in the younger population. Objective: To analyze our experience of clinical and electrodiagnostic evaluation (EDX) of PNIs over a 26-year period. Materials and Methods: Between 1989 and 2014, 1124 consecutive patients with 1418 PNIs were referred for clinical as well as EDX evaluation. These PNIs involved upper and lower limbs as well as the facial nerves. Patients with iatrogenic lesions and spinal cord/spinal root lesions were excluded from this analysis. Brachial plexus (BP) injuries with associated or not with root avulsions were considered as one particular nerve and was include in the study as BP. The etiological categories of the sustained trauma included vehicular accidents, penetrating injuries, falls, gunshot wounds, car accidents involving pedestrians, sports injuries, and miscellaneous injuries. Results: The mean age of our patients was 34.2 years and most were males (76.7%). Majority (80.9%) of the PNIs were isolated injuries. Combined lesions most commonly involved the ulnar and median nerves. Upper-limb PNIs accounted for 72.6% of our patients. The ulnar nerve was injured most often, either singly or in combination. Vehicular accidents were the most common causes of injury (46.4%), affecting the brachial BP or the radial, fibular, or sciatic nerves. Penetrating trauma (23.9%) commonly affected the ulnar and the median nerves. Falls and gunshot wounds frequently affected the ulnar, radial, and median nerves. Sports injuries, mostly soccer related, affected predominantly the fibular nerves. BP injuries were considerably more common in accidents involving motorcycles than those involving cars (46.1% vs. 17.1%), and root avulsions was more frequently associated in these cases. Conclusions: Most PNIs were caused by vehicular accidents and penetrating trauma, and affected young men. Overall, ulnar nerve, primary BP, and median nerve PNIs were the most prevalent lesions.






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