Minimally invasive versus conventional fixation of tracer in robot-assisted pedicle screw insertion surgery: a randomized control trial

This study evaluated the minimal invasiveness, safety, and accuracy of robot-assisted pedicle screw placement procedure using a modified tracer fixation device. Patients were randomly assigned to conventional fixation group (25 patients) and modified fixation group (27 patients). No baseline statist...

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Bibliographic Details
Published in:BMC musculoskeletal disorders 2020-04, Vol.21 (1), p.208-208, Article 208
Main Authors: Yongqi, Li, Dehua, Zhang, Hongzi, Wu, Ke, Zhang, Rui, Yang, Zhou, Fang, Shaobo, Wang, Yi, Liao
Format: Article
Language:English
Subjects:
Accuracy
Adult
Back surgery
Bone surgery
Calibration
Clinical trials
Female
Fractures
Humans
Lumbar Vertebrae - diagnostic imaging
Lumbar Vertebrae - surgery
Male
Middle Aged
Minimally invasive
Minimally Invasive Surgical Procedures
Modified
Navigation systems
Pain Measurement
Patients
Pedicle screw placement
Pedicle Screws
Prospective Studies
Radiography
Robot
Robotic surgery
Robotic Surgical Procedures
Robots
Spinal Fusion - instrumentation
Spinal Fusion - methods
Surgery
Technical Advance
Tracer fixation
Tracers (Biology)
Trauma
Treatment Outcome
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Description
Summary:This study evaluated the minimal invasiveness, safety, and accuracy of robot-assisted pedicle screw placement procedure using a modified tracer fixation device. Patients were randomly assigned to conventional fixation group (25 patients) and modified fixation group (27 patients). No baseline statistical difference was observed between the groups (P > 0.05). The length of unnecessary incision, amount of bleeding, and fixation duration for tracer fixation respectively were 6.08 ± 1.02 mm, 1.46 ± 0.84 ml, and 1.56 ± 0.32 min in the modified fixation group and 40.28 ± 8.52 mm, 12.02 ± 2.24 ml, and 5.08 ± 1.06 min in the conventional group. The difference between both groups was significant (P  0.05). The modified minimally invasive procedure for tracer fixation results in minimal trauma and is simple, reliable, and highly safe. Additionally, the procedure does not compromise the accuracy of pedicle screw placement. Thus, it has great clinical applicable value. Chinese Clinical Trial Registry: Registration number, ChiCTR1800016680; Registration Date, 15/06/2018.
ISSN:1471-2474
1471-2474
DOI:10.1186/s12891-020-03239-9