• R T Loder, L J Gullahorn, E H Yian, M R Ferrick, D S Raskas, and M L Greenfield.
• Section of Orthopaedic Surgery, Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan, U.S.A.
• J Orthop Trauma. 2001 Jun 1; 15 (5): 338-41.

ObjectivesTo determine in a cohort of children with polytrauma which variables are predictive of the development of complications related to immobilization.DesignA retrospective study of children with polytrauma and at least one major musculoskeletal injury. A stepwise forward logistic regression analysis was used to determine variables predictive of complications related to immobilization.ParticipantsNinety-three children with polytrauma were studied; motor vehicle incidents accounted for 80 percent of the injuries. The average age was 8.0 +/- 4.1 years. There were 152 fractures in the ninety-three children. The average Modified Injury Severity Scale (MISS) was 24.5 +/- 13.6. There were thirty-five complications in twenty-two children, and four children died.ResultsTwo variables were predictive of complications related to immobilization: age and MISS score. Complications related to immobilization were positively associated with being older than seven years of age (p = 0.027; odds ratio = 9.5; 95 percent confidence interval 1.4, 64.9) and having a MISS score greater than forty (p = 0.005; OR = 14.1; 95 percent confidence interval 2.2, 89.1). Timing of surgery showed a trend (p = 0.097) but did not reach statistical significance.ConclusionsComplications of immobilization in children with polytrauma are associated with age greater than seven years and a MISS score greater than forty. Further study is needed to evaluate the effect of early fracture stabilization. Timing of osteosynthesis showed a trend but did not reach statistical significance in this study.

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