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Published on: July 4, 2017
Epidemiology of Physeal Fractures and Clinically Significant Growth Disturbances Affecting the Distal Tibia, Proximal
Minami K Yamamura1, Patrick M Carry, Romie F Gibly
1From the Department of Orthopedics, University of Colorado Anschutz Medical Campus, Aurora, CO (Yamamura, Carry, Ogilvie, Georgopoulos, Miller, and Payne), the Musculoskeletal Research Center, Children's Hospital Colorado, Aurora, CO (Carry, Holmes, Phillips, Georgopoulos, and Miller), the Division of Orthopaedic Surgery and Sports Medicine, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL (Gibly), and the Gates Center for Regenerative Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO (Payne).
Introduction:
Childhood fractures involving the physis potentially result in premature physeal closure that can lead to growth disturbances. Growth disturbances are challenging to treat with associated complications. Current literature focusing on physeal injuries to lower extremity long bones and risk factors for growth disturbance development is limited. The purpose of this study was to provide a review of growth disturbances among proximal tibial, distal tibial, and distal femoral physeal fractures.
Methods:
Data were retrospectively collected from patients undergoing fracture treatment at a level I pediatric trauma center between 2008 and 2018. The study was limited to patients 0.5 to 18.9 years with a tibial or distal femoral physeal fracture, injury radiograph, and appropriate follow-up for determination of fracture healing. The cumulative incidence of clinically significant growth disturbance (CSGD) (a growth disturbance requiring subsequent physeal bar resection, osteotomy, and/or epiphysiodesis) was estimated, and descriptive statistics were used to summarize demographics and clinical characteristics among patients with and without CSGD.
Results:
A total of 1,585 patients met the inclusion criteria. The incidence of CSGD was 5.0% (95% confidence interval, 3.8% to 6.6%). All cases of growth disturbance occurred within 2 years of initial injury. The risk of CSGD peaked at 10.2 years for males and 9.1 years for females. Complex fractures that required surgical treatment, distal femoral and proximal tibial fractures, age, and initial treatment at an outside hospital were significantly associated with an increased risk of a CSGD.
Discussion:
All CSGDs occurred within 2 years of injury, indicating that these injuries should be followed for a period of at least 2 years. Patients with distal femoral or proximal tibial physeal fractures that undergo surgical treatment are at highest risk for developing a CSGD.
Level Of Evidence:
Level III Retrospective Cohort Study.
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