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  • Title: Prediction of major vascular injury in patients with gunshot wounds to the neck.
    Author: Nemzek WR, Hecht ST, Donald PJ, McFall RA, Poirier VC.
    Journal: AJNR Am J Neuroradiol; 1996 Jan; 17(1):161-7. PubMed ID: 8770270.
    Abstract:
    PURPOSE: To determine whether plain film and CT findings help predict the presence and severity of vascular trauma. METHODS: The records of 65 patients with gunshot wounds of the neck were reviewed. There were 58 men and 7 women ranging in age from 2 to 72 years. All had angiography of the cervical vessels; in addition, 64 had plain radiography, 22 had CT, and 14 had a barium swallow. The results of plain films, barium swallow, and CT scans were correlated. RESULTS: Eighteen patients (28%) had major vascular injury, which included 10 pseudoaneurysms, six vascular occlusions, four intimal injuries, and one arteriovenous fistula. Ten patients had prevertebral soft-tissue swelling (sensitivity, 59%; specificity, 77%), 14 had a bullet fragment close to a vessel (sensitivity, 78%; specificity, 36%), and 13 had missile fragmentation (sensitivity, 72%; specificity, 45%). CONCLUSION: Prevertebral soft-tissue swelling, missile fragmentation, and missiles adjacent to major vessels are useful but nonspecific radiographic signs and are present in many patients with normal angiographic findings. A knowledge of the physical findings, including the entry and exit wounds, plus the results of plain radiography and CT can help define bullet trajectories and guide angiographic evaluation.
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