• Lei Yang, Xiaodong Yang, Jingjing Zuo, Daoxi Wang, Lang Li, and Xueyang Tang.
• Department of Pediatric Surgery, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, Sichuan, 610041, People's Republic of China.
• Injury. 2022 Oct 1; 53 (10): 3310-3316.

IntroductionRadial neck fracture is a less common injury in childhood and many factors are associated with the final functional outcomes. This study aimed to describe the clinical and radiological results of the patients with radial neck fractures treated surgically and assess the potential risk factors for poor functional outcomes.Patients And MethodsThis study enrolled 101 children with radial neck fracture and treated surgically at our department. Patients were followed up at least three years and assessed clinically and radiographically. The primary outcome of this study was the functional outcome assessed by using Metaizeau criteria and the secondary outcome was complications of radial head necrosis, postoperative radial nerve palsy, bone union, infection, and skin irritation. Related risk factors for unsatisfactory functional outcomes were recorded and analyzed by multivariable logistic regression.ResultsIn total, 101 patients with 101 elbows (44 on the left side, 57 on the right side) were evaluated in our study, including 55 females (54.5%) and 46 males (45.5%), with a mean age of 7.5±2.7 years old (range, 3 to 14 years). There were 65.3% excellent (66 cases), 18.8% good (19 cases), 11.9% fair (12 cases), and 4.0% bad (4 cases) results in these patients. The rate of satisfactory outcome was 65.3% (66/101) and the rate of "unsatisfactory outcome" was 34.7% (35/101). Complications included postoperative radial nerve palsies in 15 cases (14.9%), radial head necrosis in 4 cases (4.0%), skin irritation due to the nail-end in 5 cases (5.0%), infection in 2 cases (2.0%), and bone nonunion in 1 patient (1.0%). Only Judet type (OR, 5.78; CI, 1.72-19.39, p=0.005) and surgical method (OR, 12.68; CI, 2.55-63.06, p=0.002) were independent risk factors for the unsatisfactory functional outcomes.ConclusionsClosed reduction with intramedullary fixation is a primary treatment for type III and IV radial neck fractures in children. Fracture severity classified as Judet type IV and open surgical method were independent predictors for unsatisfactory functional outcomes.Copyright © 2022. Published by Elsevier Ltd.

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