Abstract

The purpose of this study was to compare outcomes and management of patients with buckle fractures of the proximal tibia treated with either a knee immobilizer or a long leg cast (LLC). A retrospective review was performed of pediatric patients with a buckle fracture of the proximal tibia over a 5-year period. Two cohorts were included, those treated with a LLC versus a removable knee immobilizer. Data collected included immobilization type, fracture laterality, length of immobilization, number of clinic visits, fracture displacement, and complications. Differences in complications and management between the cohorts were evaluated. In total, 224 patients met inclusion criteria (58% female, mean age 3.1 years ± 1.7 years). Of these patients, 187 patients (83.5%) were treated with a LLC. No patients in either group were found to have interval fracture displacement during treatment. Seven patients (3.1%) demonstrated skin complications, all in the LLC cohort. Mean length of immobilization was shorter for those treated in a knee immobilizer at 25.9 days versus 27.9 days for the LLC cohort ( P = 0.024). Total number of clinic visits was also less at 2.2 (SD ± 0.4 days) for the knee immobilizer and 2.6 (SD ± 0.7 days) for the LLC ( P = 0.001) cohorts. Pediatric patients with proximal tibial buckle fractures can be safely managed with a knee immobilizer. This treatment method is associated with a shorter duration of immobilization and fewer clinic visits without incidence of fracture displacement. In addition, knee immobilizers can lessen skin issues associated with cast immobilization and cast-related office visits. This is a Level III evidence, retrospective comparative study.

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