• Christiane G Kruppa, Justin D Khoriaty, Debra L Sietsema, Marcel Dudda, Thomas A Schildhauer, and Clifford B Jones.
• Department of General and Trauma Surgery, BG-University Hospital Bergmannsheil, Ruhr-University Bochum, Germany; Grand Rapids Medical Education Partners, Grand Rapids, MI, USA. Electronic address: Christiane.Kruppa@ruhr-uni-bochum.de.
• Injury. 2018 Aug 1; 49 (8): 1562-1567.

IntroductionPediatric pelvic injuries are rare. Due to anatomic differences of the immature pelvis, different injury patterns may occur as compared to adults. The purpose was to analyze the effect of skeletal maturity on pediatric pelvic injury pattern, associated injuries, and treatment intervention.Patients And MethodsNinety children with a pelvic injury receiving treatment at a private orthopaedic practice in association with a Level One Teaching Trauma Center, between March 2002 and June 2011, were retrospectively analyzed. Skeletal maturity was determined as closed triradiate cartilage. Forty-one (46%) were skeletally immature and 49 (54%) were skeletally mature. Mean age was 11.5 years (2-16). Fractures were 23 A2, 1 A3, 4 B1, 44 B2, 16 B3, and 2 C2 according to OTA/AO classification. OTA B and C fractures were 26 LC1 (lateral-compression), 20 LC2, 10 LC3, 4 APC1 (anterior-posterior-compression), 5 APC2, and 1 VS (vertical-shear) injury according to Young and Burgess. Treatment of the pelvic injury was operative in 28 (31%) and non-operative in 62 (69%) of children. Mechanism of injury, Injury Severity Score (ISS), deaths, and associated injuries were recorded.ResultsMore complex and unstable injuries occurred in skeletally mature vs. immature children (p = 0.014). Skeletally mature children had a significantly higher rate of operative intervention (p = 0.009). The ISS in skeletally mature children was higher 25 (1-66) than in skeletally immature children 17 (4-43) (p = 0.013). 84% (41) skeletally mature and 78% (32) skeletally immature children sustained associated injuries. Twenty-two% (11) of all skeletally mature children sustained urinary tract injuries, but only 7% (3) of all skeletally immature children (p = 0.049).DiscussionSkeletally mature children are more likely to sustain more complex injury patterns with a higher rate of operative treatment, to have a higher rate of associated injuries, and to have a higher ISS than immature patients.Level Of EvidenceRetrospective comparative study, Level III.Copyright © 2018 Elsevier Ltd. All rights reserved.

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