BackgroundTo identify the fracture configuration and treatment results for patients with triplane and Tillaux fractures in the ankle joint.MethodsA retrospective study was performed on 14 patients with a more than one year follow-up. This study investigated the fracture configuration, concomitant fibula fracture, treatment methods and complications. The treatment outcomes were analyzed using modified Weber protocol.ResultsAmong the 14 cases, 11 were triplane fractures and 3 were Tillaux fractures. Seven were two part triplane fractures, and 4 were three part triplane fractures. Eight were lateral triplane fractures, and 3 were medial triplane fractures. A fibula fracture was accompanied by 7. The fibular fracture comprised of oblique fractures in all cases. A closed and open reduction was performed in 6 and 8 cases, respectively. All but one showed excellent treatment outcomes at the final follow-up. Traumatic arthritis developed in 1 case.ConclusionsPrecisely detecting the fracture configuration by computed tomography and understanding the injury mechanism have greatly improved the outcomes of triplane fractures and Tillaux fractures of the ankle in adolescent patients.

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Purpose:To evaluate the factors influencing premature physeal closure (PPC) following physeal fractures of the ankle in children. Materials and Methods: Forty-eight children with physeal injuries of the ankle were analyzed retrospectively after a minimum follow-up of 1 year. We undertook statistical analysis according to age, gender, cause, fracture type, mechanism of injury, and treatment methods for incidence of PPC. Results: Ten fractures (28.3%) were complicated by PPC. There were three cases of leg length discrepancy (LLD) more than 2 cm, five cases of angulation with LLD more than 2 cm, and two cases of fibula shortening. There were no correlation between PPC and age, sex, cause, or injury mechanism (p＞0.05). There was a statistically significant correlation between the rate of PPC and treatment methods (p=0.018). Conclusion: Operative treatment may decrease the frequency of PPC in some fractures. Regardless of treatment method, we recommend anatomic reduction to decrease the risk of PPC.