Mid‐ and Long‐Term Follow‐Up Efficacy Analysis of 3D ‐Printed Interbody Fusion Cages for Anterior Cervical Discectomy and Fusion

作者：Yuan‐zhang Jin, Bin Zhao, Xiangdong Lu, Yibo Zhao, Xiaofeng Zhao, Xiaonan Wang, Runtian Zhou, De‐tai Qi, Wen-Xuan Wang · 发表于：Orthopaedic Surgery · 年份：2021 · DOI：10.1111/os.13005 · 被引用次数：19 · 研究领域：Spine and Intervertebral Disc Pathology、Cervical and Thoracic Myelopathy、Spinal Fractures and Fixation Techniques

OBJECTIVE: To evaluate the safety and stability of 3D-printed interbody fusion cages (3D-printed cages) in anterior cervical discectomy and fusion (ACDF) by investigating the mid- and long-term follow-up outcomes. METHODS: In this prospective study, the clinical data of 30 patients with CSM admitted to the Second Hospital of Shanxi Medical University from May 2012 to May 2014 were analyzed. The cohort comprised 18 males and 12 females with an average age of 60.22 ± 3.2 years. All patients were examined by X-ray, CT and MRI before the operation. A total of 30 cases of CSM were treated by ACDF with 3D printed cage implantation. Mid- and long-term follow-ups were performed after the surgery. Clinical efficacy was evaluated by comparing the JOA score, SF-36 score, change in neurological function, cervical curvature index (CCI), vertebral intervertebral height (VIH) and fusion rate before the operation, 6 months after the operation, and at the last follow-up. RESULTS: Two of the 30 patients were lost to follow-up. The remaining patients were followed up for 48-76 (65.23 ± 3.54) months. The patients recovered satisfactorily with a significant clinical effect. The JOA score increased meanfully and the improvement rate was 89.4% at the final follow-up. The SF-36 score increased significantly from pre- to postoperatively. The height of the intervertebral space at the last follow-up was not statistically significantly different from that at 6 months after surgery (P > 0.05), showing th...