Research on the Efficacy of 3D Printing Combined with Image Fusion Technology to Guide Individualized Surgery for Patients with Degenerative Scoliosis

LIU Xingyong; LIU Zhen; SHA Peng

doi:10.3639/j.issn.2095-3097.2024.09.030

Abstract：Objective To investigate the clinical efficacy of individualized surgery using 3D printing combined with image fusion guidance for preoperative assessment and surgical approach selection in patients with degenerative scolio-sis.Methods A total of one hundred and thirty degenerative scoliosis patients admitted to Xuzhou Cancer Hospital from January 2017 to January 2023 were prospectively enrolled and classified into two groups according to different surgical pro-cedures,each with 65 cases.The control group received conventional pedicle screw internal fixation,while the study group underwent 3D printing and image fusion-assisted individualized surgical guidance for pedicle screw placement.Perioperative indicators,functional recovery[Oswestry Disability Index(ODI),Japanese Orthopedic Association(JOA)score],imaging pa-rameters[Cobb angle,coronal balance distance(CBD),sagittal vertical axis(SVA),thoracic kyphosis(TK),lumbar lordosis(LL)],pain degree[Visual Analogue Scale(VAS)],and postoperative complication rates were compared between the two groups.Results The study group reported shorter screw insertion time,less intraoperative blood loss,lower blood transfusion volume,and fewer intraoperative fluoroscopy instances compared to the control group(P＜0.05).At postoperative 3 months,the study group scored higher on JOA(P＜0.05)and lower on ODI(P＜0.05)compared to the control group.Imaging analysis showed significant reductions in Cobb angle,SV A,and CBD(P＜0.05)and an increase in LL(P＜0.05)in the study group,with no sig-nificant change in TK before and after surgery(P＞0.05).The study group also reported lower VAS scores(P＜0.05)and a reduced complication rate(P＜0.05)compared to the control group.Conclusion Applica-tion of 3D printing combined with image fusion-assisted surgical guidance in degenerative scoliosis patients can significantly promote functional recovery,alleviate pain symptoms,and reduce postoperative complications.