• Federico Canavese, Alexei Botnari, Antonio Andreacchio, Lorenza Marengo, Antoine Samba, Alain Dimeglio, Bruno Pereira, Mounira Mansour, and Marie Rousset.
• *Pediatric Orthopedic Department, Estaing University Hospital §Biostatistics Unit, DRCI, Estaing University Hospital, Clermont-Ferrand ‡Faculty of Medicine, Montpellier University, Montpellier, France †Pediatric Orthopedic Department, Regina Margherita Children's Hospital, Turin, Italy.
• J Pediatr Orthop. 2016 Oct 1; 36 (7): 667-72.

BackgroundThe main objective of this study was to retrospectively evaluate the clinical and radiographic outcomes of displaced tibial shaft fractures with intact fibula in children after nonoperative management and operative treatment by elastic stable intramedullary nailing.MethodsA study was performed on 80 consecutive children, 56 males, 24 females from 2 Institutions, with displaced and closed tibial shaft fracture with intact fibula. All patients underwent regular clinical and radiographic follow-up visits for at least 2 years after injury.ResultsIn total, 26 patients (group A-Institution I) were treated surgically by elastic stable intramedullary nailing and 54 patients (18 patients from group B-Institution I and 36 patients from group C-Institution II) were treated nonoperatively with closed reduction and casting. groups A, B, and C did not significantly differ on sex (P=0.37), side (P=0.54), and fracture site (P=0.14).Valgus deformity was significantly controlled in group A patients only (P=0.001); during follow-up in group B patients (P=0.017), and showed no significant change between pretreatment images and last follow-up in group C patients (P=0.71). Procurvatum deformity was significantly controlled in group A patients only (P=0.001); it showed no significant improvement after conservative treatment in group B (P=0.73) and C patients (P=0.8). Recurvatum was significantly improved in group A (P<0.001) and C patients (P<0.001) but remained unchanged in group B patients (P=0.15). Varus deformity improved significantly in all patient groups.Immobilization time was significantly shorter in group A compared with group B and C patients (P<0.001).However, numerical differences, although statistically significant, were not clinically relevant for all variables but immobilization time.ConclusionsThis study showed good functional and radiologic outcomes in the pediatric population who had sustained closed, traumatic, displaced fracture of tibial diaphysis without associated fibula fracture.On the basis of the findings reported here, it is not contraindicated to operate skeletally immature patients with displaced fracture of tibial diaphysis without associated fibula fracture. However, results were essentially the same and either method is a satisfactory choice for pediatric tibia shaft fractures with an intact fibula. In particular, we found that conservative treatment was as efficacious as surgical treatment apart from the length of time for immobilization.Level Of EvidenceLevel III.

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