Efficacy evaluation of three-dimensional printing assisted osteotomy guide plate in accurate osteotomy of adolescent cub
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(2019) 14:353
RESEARCH ARTICLE
Open Access
Efficacy evaluation of three-dimensional printing assisted osteotomy guide plate in accurate osteotomy of adolescent cubitus varus deformity Yuan-Wei Zhang1,2, Xin Xiao2, Wen-Cheng Gao3, Yan Xiao2, Su-Li Zhang4, Wen-Yan Ni4 and Liang Deng1*
Abstract Background: This present study is aimed to retrospectively assess the efficacy of three-dimensional (3D) printing assisted osteotomy guide plate in accurate osteotomy of adolescent cubitus varus deformity. Material and methods: Twenty-five patients (15 males and 10 females) with the cubitus varus deformity from June 2014 to December 2017 were included in this study and were enrolled into the conventional group (n = 11) and 3D printing group (n = 14) according to the different surgical approaches. The operation time, intraoperative blood loss, osteotomy degrees, osteotomy end union time, and postoperative complications between the two groups were observed and recorded. Results: Compared with the conventional group, the 3D printing group has the advantages of shorter operation time, less intraoperative blood loss, higher rate of excellent correction, and higher rate of the parents’ excellent satisfaction with appearance after deformity correction (P < 0.001, P < 0.001, P = 0.019, P = 0.023). Nevertheless, no significant difference was presented in postoperative carrying angle of the deformed side and total complication rate between the two groups (P = 0.626, P = 0.371). Conclusions: The operation assisted by 3D printing osteotomy guide plate to correct the adolescent cubitus varus deformity is feasible and effective, which might be an optional approach to promote the accurate osteotomy and optimize the efficacy. Keywords: Cubitus varus deformity, Three-dimensional printing, Osteotomy guide plate, Humeral supracondylar wedge osteotomy
Background Distal humeral fracture is the most usual upper limb fracture in adolescents, with an incidence of about 60% in all elbow fractures [1]. Cubitus varus deformity, as the most common complication of the distal humeral fractures in adolescents, accounts for approximately 30% to 58% [2, 3]. In addition to the varus on the coronal plane, the cubitus varus can also include the three-plane deformities of the overextension on the sagittal plane and the internal rotation on the horizontal plane [4]. Besides, * Correspondence: [email protected] 1 Department of Orthopedics, Jiangxi Provincial People’s Hospital Affiliated to Nanchang University, No.152 Aiguo Road, Nanchang 330006, Jiangxi, China Full list of author information is available at the end of the article
due to the poor ability of distal humeral epiphysis to correct the existed varus deformity, the cubitus varus deformity will persist into adulthood without any improvement [5, 6]. Thus, the cubitus varus deformity will not only affect the esthetic appearance and restrict the elbow motion, but also delay the daily life and learning of adolescents to a certain extent [7]. Since the humeral supracondylar wedge osteotomy (HSWO) was
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