• Kelly Lesperance, Matthew J Martin, Alec C Beekley, and Scott R Steele.
• Department of Surgery, Madigan Army Medical Center, Fort Lewis, Washington, USA.
• J Surg Educ. 2008 Jan 1;65(1):61-6.

BackgroundAlthough penetrating gluteal injuries rarely are life-threatening, the risk for concomitant injury to regional anatomic structures warrants additional evaluation. We analyzed factors affecting the management and outcomes of these injuries.MethodsRetrospective analysis of prospectively collected data from the 31st Combat Support Hospital during Operation Iraqi Freedom over a 16 month period.ResultsFrom 3442 patients, 115 patients (3.3%) suffered penetrating gluteal injuries. They were predominately male (98%) with a mean injury severity score of 13. Mortality was 6% (n = 7). Primary mechanisms of injury were improvised explosive devices (41%) and gunshot wounds (59%). Associated injuries were present in 57% of patients [orthopedic (35%), abdominal (29%), rectal (25%), vascular (21%), genitourinary (14%), pulmonary (11%), sphincter (9%)]. Overall, 76% required surgical management, with 14% developing postoperative complications. In total, 27 patients (24%) required stoma placement. Gunshot wounds were associated with through and through injuries (43% vs 6%, p < 0.01), rectal injury (35% vs 11%, p < 0.05), and stoma placement (32% vs 11%, p < 0.05). Blast injuries were associated with a higher mean transfusion requirement (11 vs 6 units, p < 0.05), increased length of stay (14 vs 9 days, p < 0.05), and traumatic brain injury (24% vs 6%, p < 0.05). Independent predictors of a need for stoma placement were gunshot wounds (odds ratio = 10, p < 0.05) and injury severity score greater than 20 (odds ratio = 27, p < 0.01).ConclusionsPenetrating gluteal injuries are associated with significant damage to local structures. Gunshot wounds carry a higher risk of injury to the rectum and stoma placement, whereas blast injuries are associated with less local injury and more multisystem trauma.

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