Abstract
The purpose of this study was to investigate the possible effect of Thurston-Holland fragment (THF) size on the development of premature physeal closure (PPC) in distal tibia type 2 epiphyseal injuries. Fifty-eight fractures in 57 patients with a minimum follow-up period of 12 months were included. For statistical analysis, sex and age of the patient, number of reduction attempts, percentage of THF base relative to physis length on anteroposterior or lateral radiograph, maximal initial and postreduction displacement amount, presence of accompanying fibula fracture and trauma mechanism were evaluated. PPC was observed in 12 fractures (20.7%). An increased amount of initial displacement, increased number of reduction attempts and passing the physis with three Kirschner wires were determined as statistically significant factors for PPC occurrence (P = 0.011, 0.011 and 0.005, respectively). The THF percentage was not found to be an important factor for the occurrence of PPC. In males, THF size was less than 50% more frequently than that in females (P = 0.013). THF size had no significant effect on PPC occurrence after distal tibial epiphyseal fractures.
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