Three-Dimensional Printing Technology for Surgical Correction of Congenital Scoliosis Caused by Hemivertebrae

作者：Tu, Qiang; Chen, Hu; Ding, Huan-Wen; Yu, Guang-Wen; Miao, Qiu-Ju; Shen, Jian-Jian; Huang, Xian-Hua; Tang, Yong; Xia, Hong; Xu, Jian-Zhong^*

来源：World Neurosurgery, 2021, 149: E969-E981.

DOI：10.1016/j.wneu.2021.01.063

• 3D printing
• Congenital scoliosis
• Hemivertebrectomy
• Surgery
• Template

OBJECTIVE: This study aimed to explore the clinical application of three-dimensional (3D) printing technology in the surgical treatment of congenital scoliosis caused by hemivertebrae. METHODS: Twenty-four patients (11 in the 3D-printing group and 13 in the conventional group) with scoliosis secondary to a single hemivertebra were retrospectively reviewed. All patients underwent hemivertebrectomy and short-segment fixation. Virtual preoperative planning, operation simulation, and intraoperative application of 3D printed patient-specific templates were performed in the 3D-printing group. Hemorrhage volume, operation time, transfusion, and complications were noted. Radiographic parameters were evaluated preoperatively, postoperatively, and at final follow-up. RESULTS: All patients had different degrees of successfully corrected scoliosis. There was a similar correction of the Cobb angle postoperatively between the 2 groups. The operation time, blood loss, transfusion, time for the insertion of each screw, accuracy of screw placement, and complication rate in the 3D-printing group were significantly superior to those in the control group. No patient experienced major complications. No significant correction loss or instrument dysfunction was observed during follow-up. @@@ CONCLUSIONS: As a viable and effective auxiliary technology, 3D printing makes it possible for surgery to meet both surgeon-specific and patient-specific requirements. 3D-printed individualized templates allow surgery for the correction of congenital scoliosis to enter a new stage of personalized precision surgery.

• 单位
  1; 南方医科大学; 广东省人民医院