[Radiological diagnosis of pelvic ring fractures].

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Abstract

[Indexed for MEDLINE] 2. Injury. 2022 Oct;53(10):3301-3309. doi: 10.1016/j.injury.2022.07.009. Epub 2022 Jul 7. Critical review of the classification and treatment of pediatric pelvic fractures. Mennen AHM(1), Zonneveld I(2), Bloemers FW(2), van Embden D(2). Author information: (1)Amsterdam UMC location University of Amsterdam, Surgery, Meibergdreef 9, Amsterdam, The Netherlands. Electronic address: a.h.mennen@amsterdamumc.nl. (2)Amsterdam UMC location University of Amsterdam, Surgery, Meibergdreef 9, Amsterdam, The Netherlands. BACKGROUND: Historically most pediatric pelvic fractures were treated non-operatively because of the presumed potential of the pediatric pelvis to remodel and the subsequent increased fracture stability. Currently a wide variety of classifications in pediatric pelvic fractures is used to assess fracture stability and guide treatment, yet none have proven to be ideal since the structural behavior of the pediatric pelvis differs greatly from the adult pelvis. The aim of this review is to critically appraise the use of these different classification systems, fracture (in)stability, the treatment of pediatric pelvic fractures and how it reflects on long-term complications such as pelvic asymmetry and functional outcome. METHODS: A literature search was performed in Medline, Embase, Cochrane, PubMed, Google Scholar and references of the selected articles. Studies that reported on pain, leg length discrepancy (LLD), abnormal gait (GA), pelvic asymmetry, and functional outcomes of pediatric pelvic fractures were included. RESULTS: A total of six different classification systems were used, the most common were Tile (n= 9, 45%) and Torode and Zieg (n= 8, 40%). There was great disparity in treatment choice for the same type of fracture pattern, resulting in several pelvic ring fractures that were defined as unstable being treated non-operatively. Pelvic asymmetry is seen in rates up to 48% in non-operatively treated patients. In contrast, pelvic asymmetry in surgically fixated unstable pelvic fractures was rare, and these patients often showed excellent functional outcomes during follow-up. CONCLUSION: There is a substantial heterogeneity in which fracture patterns are considered to be unstable or in need of surgical fixation. Functional outcomes seem to be correlated with the frequency of pelvic asymmetry and are likely due to an underestimation of the stability of the pelvic fracture. Taking into consideration the force that is necessary to cause a facture in the pediatric pelvis, a fracture of the pelvic ring alone could be suggestive for instability. The results of this review imply that the field of pediatric pelvic surgery is currently not grasping the full scope of the complexity of these fractures, and that there is a need for a pediatric pelvic classification system and evidence-based treatment guideline. Copyright © 2022 The Author(s). Published by Elsevier Ltd.. All rights reserved. DOI: 10.1016/j.injury.2022.07.009