Locked wires fixator for fractures of the distal third of the radius and ulna in children
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ORIGINAL ARTICLE
Locked wires fixator for fractures of the distal third of the radius and ulna in children Kiyohito Naito1 · So Kawakita1 · Nana Nagura1 · Yoichi Sugiyama1 · Hiroyuki Obata1 · Kenji Goto1 · Ayaka Kaneko1 · Kazuo Kaneko1 Received: 16 February 2020 / Accepted: 22 April 2020 © Springer-Verlag France SAS, part of Springer Nature 2020
Abstract Background Prevention of redisplacement is an issue after the treatment of fractures of the distal third of the radius in children. In this study, we used a locked wires fixator for this type of fracture and achieved favorable treatment outcomes. Methods The subjects were 8 children with fractures of the distal third of the radius (male: 7, female: 1, mean age: 9.0 years old) who underwent surgery with locked wires fixators and were able to be evaluated 12 months after surgery. Immobilization was not applied after surgery. The locked wires fixator or K-wire was removed when the bridging callus was observed on plain radiography 4–6 (mean 5.5) weeks after surgery in all patients. The presence of bone union, functional outcomes, and complications were investigated postoperatively. Results All patients achieved bone union without redisplacement excellent function. The pin site infection was observed in two patients. Conclusions The locked wires fixator may be a new useful treatment method for fractures likely to cause postoperative redisplacement. Keywords Fractures of the distal third of the radius in children · Locked wires fixator · Redisplacement · Minimally invasive technique
Introduction Fractures of the distal third of the radius are one of the most common fractures of the upper limb of children [1]. In general, bone union can be acquired by manual reduction and casting, and favorable functional recovery is expected [2]. The incidence of redisplacement after reduction which was associated with the position of forearm in the cast or loss of cast fixation is approximately 34% [3, 4], and prevention of redisplacement after treatment remains an issue. Based on this background, plate fixation was recommended for
Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00590-020-02682-7) contains supplementary material, which is available to authorized users. * Kiyohito Naito [email protected] 1
Department of Orthopaedics, Juntendo University School of Medicine, 1‑5‑29 Yushima, Bunkyo‑ku, Tokyo 113‑0034, Japan
this type of fracture [5], but it is not the standard treatment because of its high invasiveness. Percutaneous pinning for fractures of the distal third of the radius in children can obtain higher stability than cast immobilization alone [6]. However, percutaneous pinning is complicated and unlikely to result in stable fixation because the pin insertion angle is small and the lever arm length of the inserted pin shortens [7]. Thus, we used a locked wires fixator, which exhibits stronger fixation than percutaneous pinning, for this fracture and achieved favorable treatment outcomes.
Methods This study
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