The purpose of this retrospective study was to examine pediatric supracondylar humerus fractures at a Level I trauma center. Data were analyzed to identify risk factors associated with closed reduction failure. Closed pediatric supracondylar humerus fractures that were treated at the authors' trauma center between October 1997 and January 2009 were reviewed. The main outcome variable was necessity of open reduction. To determine which factors were independently associated with a failed closed reduction, a multivariate logistic model was fit predicting open reduction status.A total of 174 patients required operative treatment. Of these, 23 underwent open reduction and 151 underwent with closed reduction and percutaneous pinning. For patients who required open reduction, 39.1% had an associated injury compared with 14.6% of patients treated with closed reduction (P=.008). Average time from presentation to surgery was 4.1 hours in the open reduction and 6.3 hours in the closed reduction group (P=.049). Risk factors that significantly predicted failure of closed reduction were the presence of an associated injury, initial fracture displacement, and Gartland type III fracture (P=.008, .03, and .023, respectively).Associated injury, large initial fracture displacement, and Gartland type III factures were statistically significant independent risk factors for closed reduction failure. Increased time from injury to presentation demonstrated a trend toward open reduction. Consideration should be given to the expedient transfer of patients with type III supracondylar humerus fractures with associated injuries when definitive care will be provided at another institution.
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