Objective To compare percutaneous Kirschner wiring and elastic intramedullary nailing after ultrasound-guided reduction in the treatment of radial neck fractures in children.Methods A retro-spective study was conducted to analyze the 96 children with radial neck fracture who had been admitted to De-partment of Orthopedics,Children's Hospital of Anhui Province from January 2020 to January 2023.They were 51 boys and 45 girls with an age of(7.0±2.5)years.By the Judet classification,there were 74 cases of typeⅢ and 22 cases of type Ⅳ.Twenty-one cases were treated with percutaneous Kirschner wiring after ultra-sound-guided reduction(Kirschner wire group)while 75 cases with elastic intramedullary nailing after ultra-sound-guided reduction(intramedullary nail group).The surgical time,fluoroscopy frequency,fracture healing time,and incidence of complications were compared between the 2 groups.Their postoperative X-ray films were evaluated according to the Métaizeau criteria,and elbow joint function was evaluated according to the Steel and Gtrham scoring at the last follow-up.Results There was no statistically significant difference in the pre-operative general data between the 2 groups,indicating comparability(P＞0.05).The 96 pediatric patients were followed up for(10.6±4.2)months after surgery.The surgical time[(18.5±2.6)minutes]and fluo-roscopy frequency[4.0(3.0,4.0)times]in the Kirschner wire group were significantly less than those in the intramedullary nail group[(30.9±2.7)minutes,8.0(7.0,9.0)times](P＜0.05).There was no statisti-cally significant difference in fracture healing time,good and excellent rate of postoperative reduction by the Métaizeau criteria,good and excellent rate of elbow joint function by the Steel and Gtrham scoring at the last follow-up,or incidence of complications(P＞0.05).Conclusion In the treatment of radial neck frac-tures in children,both ultrasound-guided percutaneous Kirschner wiring and elastic intramedullary nailing after ultrasound-guided reduction can lead to similar therapeutic effects,but the former can shorten surgical time,reduce intraoperative fluoroscopy frequency,and spare a secondary surgery.
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