• Acad Emerg Med · Jul 1998

    Intracranial hemorrhage associated with tangential gunshot wounds to the head.

    • D Anglin, H R Hutson, J Luftman, S Qualls, and D Moradzadeh.
    • Department of Emergency Medicine, Los Angeles County + University of Southern California Medical Center, Los Angeles 90033, USA. anglin@hsc.usc.edu
    • Acad Emerg Med. 1998 Jul 1;5(7):672-8.

    UnlabelledTangential gunshot wounds (TGSWs) to the head are gunshot wounds in which the bullet or bullet fragments do not penetrate the inner table of the skull.ObjectivesTo determine the occurrence of intracranial hemorrhage (ICH) associated with TGSW to the head and to assess the ability of selected clinical criteria to predict ICH in this patient population.MethodsA retrospective chart review of patients diagnosed as having TGSWs to the head presenting to the ED of Los Angeles County + University of Southern California Medical Center from October 1, 1993, to May 31, 1996.ResultsFour hundred twenty patients with gunshot wounds to the head presented to the ED. CT confirmed the diagnosis of TGSWs in 154 patients (36.7%). Head CT of patients with TGSWs revealed 25 (16.2%) skull fractures and 37 (24.0%) ICHs. Fourteen (56.0%) skull fractures were depressed. Of patients with a CT-documented TGSW to the head, 23 (16.1%) had a history of a loss of consciousness (LOC), 129 (84.3%) had a normal neurologic examination in the ED, 17 (11.1%) had a Glasgow Coma Scale score (GCS) < 15, and 75 (48.7%) had retained extracranial bullets or bullet fragments. Of all patients with TGSWs to the head, 113 had a GCS of 15 with no LOC and a normal neurologic examination, with 17 of these 113 patients (15.0%) having ICH. One patient died while hospitalized. Fifty-six (36.6%) patients were released home directly from the ED. Five clinical criteria (history of LOC, GCS < 15 on ED presentation, skull fracture, location of TGSW on the skull, and presence of extracranial bullet fragments) were examined to determine their ability to predict ICH. None of these criteria either alone or in combination were adequately predictive of ICH.ConclusionIn this series, 1 in 4 patients with a TGSW to the head had an ICH. All patients with TGSWs to the head should undergo head CT to rule out depressed skull fractures and ICH.

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