Nerve Compression Injuries Due to Traumatic False Aneurysm

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Abstract
Experience with 17 patients with delayed onset of compression neuropraxia due to hemorrhage following nonoperative treatment of penetrating arterial injuries is presented. Fifteen cases involved the arteries of the neck shoulder girdle and upper extremity and two the gluteal vessels. This resulted In dysfunction of components of the brachial plexus, median ulnar, and sciatic nerves. Follow-up extended from 3 to 18 months. Of 10 brachial plexus lesions two recovered fully, five partially, and three not at all. Of seven peripheral nerve injuries, full recovery occurred in two patients and none in five. Adverse prognostic factors for neurological recovery are sepsis, involvement of intrinsic hand innervation and the sciatic nerve. An improved prognosis may be expected for upper trunk lesions of the brachial plexus and radial nerve lesions. The complication is essentially avoidable and a careful appraisal of the circulatory status must be made in all patients with penetrating trauma in the neck and shoulder girdle and buttock.