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- Leah Gitajn, Paul Perdue, John Hardcastle, and Robert V O'Toole.
- R Adams Cowley Shock Trauma Center, Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, United States.
- Injury. 2014 Oct 1;45(10):1637-42.
BackgroundWe evaluated whether the location of a ballistic femoral fracture helps predict the presence of arterial injury. We hypothesized that fractures located in the distal third of the femur are associated with a higher rate of arterial injury.MethodsWe conducted a retrospective review of electronic medical records at our level I trauma centre and found 133 consecutive patients with femoral fractures from civilian gunshots from 2002 to 2007, 14 of whom sustained arterial injury. Fracture extent was measured with computerized viewing software and recorded with a standard technique, calculating proximal, distal, and central locations of the fracture as a function of overall length of the bone. Analyses were conducted with Student's t, Chi-squared, and Fisher's exact tests.ResultsThe location of any fracture line in the distal third of the femur was associated with increased risk of arterial injury (P<0.05). The odds ratio for the presence of arterial injury when the proximal fracture line was in the distal third of the femur was 5.63 (95% confidence interval, 1.7-18.6; P<0.05) and when the distal fracture line was in the distal third of the femur was 6.72 (95% confidence interval, 1.78-25.44; P<0.05).ConclusionsA fracture line in the distal third of the femur after ballistic injury is six times more likely to be associated with arterial injury and warrants careful evaluation. Our data show that fracture location can help alert clinicians to possible arterial injury after ballistic femoral fracture.Copyright © 2014 Elsevier Ltd. All rights reserved.
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