• Vinícius M Henriques, Francisco J L Torrão, Livia A N Rosa, Gabriel E Sanches, and Fernando Guedes.
• Division of Neurosurgery, Department of Surgery, Gaffrée and Guinle University Hospital, Federal University of the State of Rio de Janeiro (HUGG-Unirio/Ebserh), Rio de Janeiro, Brazil. Electronic address: viniciusmhenriques@hotmail.com.
• World Neurosurg. 2023 May 1; 173: e207e217e207-e217.

BackgroundPeripheral nerve injuries remain a major medical problem worldwide and are associated with multiple causes, including gunshot wounds (GSWs), which are the second most common cause of brachial plexus injuries in peacetime and the main, or only, cause reported in wartime studies. The ulnar nerve (UN) is one of the most affected nerves. Peripheral nerve trauma may cause intense neuropathic pain, which is very difficult to control. Particularly UN gunshot injuries may impact individual daily life, as injuries to this nerve result in both sensory and motor deficits within the hand. We evaluated the improvement of neuropathic pain after surgical treatment in a consecutive series of 20 patients with UN injury due to GSWs.MethodsThis single-center, retrospective, consecutive case series included 20 patients with UN injuries due to GSWs, who presented with excruciating neuropathic pain and underwent surgical treatment between 2005 and 2017.ResultsOf injuries, 13 occurred in the right upper limb (65%); 12 patients had a high UN injury (60%). Regarding associated injuries, 8 patients had bone injuries (40%), and 4 patients had arterial injuries (20%). A neuroma in continuity was detected in 8 cases (40%), and 4 patients (20%) had shrapnel lodged within the UN. All patients had severe neuropathic pain and functional deficit, with a mean visual analog scale score of 8.45 ± 1.4 and a mean reduction of 6.95 points 12 months after surgery; 10 patients (50%) had a British Medical Research Council score ≥M3.ConclusionsSurgery is an effective treatment for neuropathic pain from GSWs. Early isolated external neurolysis is associated with better pain management and functional outcomes postoperatively.Copyright © 2023 Elsevier Inc. All rights reserved.

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