Initial angular deformity and its recovery of the proximal tibial metaphyseal fracture according to the cause: trampoline-related injury versus other injuries
- Authors
- Bae, Kunhyung; Jeon, Ji Young; Park, Soo-Sung; Park, Jinhee; Kang, Michael Seungcheol
- Issue Date
- Aug-2020
- Publisher
- BRITISH EDITORIAL SOC BONE & JOINT SURGERY
- Keywords
- proximal tibia; fracture; children; deformity; recovery
- Citation
- JOURNAL OF CHILDRENS ORTHOPAEDICS, v.14, no.4, pp.304 - 311
- Journal Title
- JOURNAL OF CHILDRENS ORTHOPAEDICS
- Volume
- 14
- Number
- 4
- Start Page
- 304
- End Page
- 311
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/78130
- DOI
- 10.1302/1863-2548.14.200072
- ISSN
- 1863-2521
- Abstract
- Purpose This study investigated the initial angular deformity of proximal tibial metaphyseal fracture in children and its recovery during follow-up according to the cause of injury. Methods Prospective data about the patients with a proximal tibial metaphyseal fracture at the age less than six years and available follow-up data at two years post-trauma were retrospectively reviewed. They were grouped into trampoline-related injuries (TRI) and non-TRI groups based on the cause of injury. Proximal tibial valgus and recurvatum angles were measured to assess angular deformity on the coronal and sagittal planes, respectively. Results A total of 47 patients (33 TRI and 14 non-TRI) were included. Initially, the valgus angles were -1.5 degrees in TRI and 1.6 degrees in non-TRI groups (p < 0.001) and the recurvatum angles were 7.8 degrees in TRI and 4.1 degrees in non-TRI groups (p = 0.048). After two-year follow-up, the valgus angles were 0.2 degrees in TRI and 0.9 degrees in non-TRI groups (p = 0.070), and the recurvatum angles were 6.5 degrees in TRI and 2.3 degrees in non-TRI groups (p = 0.001). Conclusion For children with a proximal tibial metaphyseal fracture, the initial coronal deformity was different according to the injury cause (varus in TRI whereas valgus in non-TRI). Although there was a near complete recovery after approximately two years of follow-up in the coronal deformities, the sagittal deformity (genu recurvatum) seems to recover incompletely or tardily, especially for those caused by TRI.
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