Ning Jinbo,Yao Mingmu.Application of three-dimensional printing technology during corrective osteotomy for cubitus varus deformity in children[J].Journal of Clinical Pediatric Surgery,,20():941-945.[doi:10.12260/lcxewkzz.2021.10.009]
Application of three-dimensional printing technology during corrective osteotomy for cubitus varus deformity in children
- Keywords:
- 3D Printing; Elbow Joint/IN; Elbow Joint/AB; Cubitus Vars; Osteotomy; Surgical Procedures; Operative; Child
- CLC:
- R726.873.1;R726.8;R682
- Abstract:
- Objective To explore the clinical application value of three-dimensional (3D) printing technology during corrective osteotomy for cubitus varus deformity (CVD) in children.Methods From June 2016 to August 2018, 16 CVD children underwent humeral osteotomy.There were 10 boys and 6 girls with an average age of 7.7 years.According to the elbow joint scoring standard of HSS (Hospital for Special Surgery), elbow joint function was evaluated preoperatively.The computed tomography (CT) scans of elbow joint were performed for constructing a computer bone model.A 1:1 proportional 3D solid model was printed and corrective osteotomy planes were designed on the basis of the above model.Then osteotomy was guided by the 3D model.And elbow joint function was evaluated at Month 6 post-operation.Carrying angle, humerotrochlear angle and Baubann’s angle were calculated by radiographic measurements.The postoperative outcomes were compared with preoperative designs to evaluate whether orthopedic efficacy accorded with expectations.Results All of them were operated under general anesthesia.After revision surgery, bone union was achieved without complications of neurovascular injuries.Results of 3D model surgical simulation:carrying angle was 13.57°±2.62°(9°-19°);radiograph at Month 6 post-operation:carrying angle (14.34°±3.28°)(9°-19°), humerotrochlear angle 40.08°±7.44°(24°-51°) and Baubann’s angle (67.54°±6.10°)(55°-76°).No significant difference existed in carrying angles (t=1.76, P=0.1).Elbow joint function was evaluated at Month 6:excellent (n=10), good (n=0), decent (n=5) and poor (n=1).Elbow joint function score was (89.00±11.62)(69-100) points.And no statistically significant difference existed in preoperative elbow joint function (t=1.03, P=0.32).Conclusion Applying 3D printing technology during osteotomy of children with elbow joint deformity enables surgeons to precisely evaluate deformities.Also 3D corrective osteotomy may be simulated.The efficacy of osteotomy fulfills expectations.
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Memo
收稿日期:2020-01-09。
基金项目:重庆市万州区社会发展领域科技计划指导性项目（编号：wzstc-z201702）
通讯作者:姚明木,Email:3052679@qq.com