Personalized image-based templates for iliosacral screw insertions: a pilot study

Background Stabilization of rare unstable pelvic fractures in the case of sacral fractures and iliosacral joint dislocations can be tricky. 3D reconstruction and reverse engineering templates may be used to increase the accuracy of screw placement. Methods Computed tomography (CT) images were used t...

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Bibliographic Details
Published in:The international journal of medical robotics + computer assisted surgery 2012-12, Vol.8 (4), p.476-482
Main Authors: Chen, Bin, Zhang, Yuanzhi, Xiao, Shengxiang, Gu, Pengcheng, Lin, Xiangjin
Format: Article
Language:English
Subjects:
3D reconstruction
Adult
Bone Screws
Female
Fluoroscopy
Fracture Fixation, Internal - methods
Fractures, Bone - diagnostic imaging
Fractures, Bone - surgery
Humans
iliosacral screw insertions
Ilium - diagnostic imaging
Ilium - injuries
Ilium - surgery
Imaging, Three-Dimensional
Joint Dislocations - diagnostic imaging
Joint Dislocations - surgery
Male
Middle Aged
Orthopedic Procedures - methods
Pilot Projects
Precision Medicine
reverse engineering template
Robotics - methods
Sacrum - diagnostic imaging
Sacrum - injuries
Sacrum - surgery
Surgery, Computer-Assisted - methods
Tomography, X-Ray Computed
Treatment Outcome
Young Adult
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Summary:Background Stabilization of rare unstable pelvic fractures in the case of sacral fractures and iliosacral joint dislocations can be tricky. 3D reconstruction and reverse engineering templates may be used to increase the accuracy of screw placement. Methods Computed tomography (CT) images were used to design the template for 16 consecutive patients with unstable pelvic ring fractures, which were used to guide the screw placement. Another 10 patients received screw placement under conventional fluoroscopy. The screw position, radiation exposure, and surgery time were compared between the two groups. Results Personalized image‐based templates had better correct screw positions (P 
ISSN:1478-5951
1478-596X
DOI:10.1002/rcs.1453