Journal of Shandong University (Health Sciences) ›› 2023, Vol. 61 ›› Issue (3): 127-133.doi: 10.6040/j.issn.1671-7554.0.2022.1328

• 临床医学 • Previous Articles    

Artificial intelligence-assisted 3D printing of surgical guides for pedicle screw Insertion in scoliosis surgeries

WANG Hui1, WANG Lianlei1, WU Tianchi2, TIAN Yonghao1, YUAN Suomao1, WANG Xia1, LYU Weijia2, LIU Xinyu1   

  1. 1. Department of Spinal Surgery, Qilu Hospital of Shandong University, Jinan 250012, Shandong, China;
    2. Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong 999077, China
  • Published:2023-03-24

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Abstract: Objective To assess the value of artificial intelligence-assisted 3D printing surgical guides in scoliosis surgeries. Methods The clinical data of 66 patients who underwent scoliosis orthopedic surgery during Jun. 2018 and Sep. 2022 were retrospectively analyzed. Artificial intelligence-assisted design of 3D printed guides for pedicle screws were placed in 24 cases(intelligent guide group), including 10 cases of congenital scoliosis, 8 cases of idiopathic scoliosis, and 6 cases of degenerative scoliosis, and all patients used SurigiPlan V1.0 to assist in the preoperative planning of the screw type and path. Freehand pedicle screws were placed in 42 cases(freehand group), including 16 cases of congenital scoliosis, 13 cases of idiopathic scoliosis, and 13 cases of degenerative scoliosis. The postoperative stay, operation time, intraoperative bleeding, intraoperative radiation, accuracy and safety of postoperative pedicle screw placement, compliance between preoperative planning and actual placement of screws, and changes in pre- and postoperative imaging spine parameters were compared between the two groups. Results A total of 1,342 pedicle screws were placed, including 468 in the intelligent guide group and 874 in the freehand group. The intelligent guide group had a higher safety than the freehand group(98.29% vs 92.33%, P<0.05)and a higher accuracy(94.23% vs 82.95%, P<0.05). Of the 468 screws in the intelligent guide group, the preoperative planning of screw length and diameter matched the actual application of screws by 97.01%(454 screws)and 95.51%(447 screws)respectively. There were no statistically significant differences in the Cobb angle, apical vertebral rotation, operation time and bleeding between the two groups before and after operation(P>0.05). The intraoperative radiation dose of patients in the intelligent guide group was lower than that in the freehand group(P<0.05), but there was no statistically significant difference in the intraoperative radiation dose of surgeons(P>0.05). Conclusion Compared to freehand screws placement, the artificial intelligence-assisted 3D printing of surgical guides can significantly improve the accuracy, safety and efficiency of screws placement.

Key words: Scoliosis, 3D-printed, Artificial intelligence, Assistant surgical guides, Pedicle screws

CLC Number: 

  • R681.5
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