What question did this study set out to answer?

To compare pedicle screw accuracy, surgical parameters, and early postoperative clinical outcomes between single-position lateral and dual-position robot-assisted oblique lumbar interbody fusion for lumbar spondylolisthesis.

December 27, 2023Orthopaedic SurgeryOpen Access

Analysis of the Screw Accuracy and Postoperative Efficacy of Screw Placement in Single Position and Bipedal Position in Robot‐Assisted Oblique Lumbar Interbody Fusion: Preliminary Results of Mazor X Stealth Usage

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Authors

WZWenhao ZhaoQingdao University YWYan WangHong Kong Polytechnic University HZHao ZhangSecond Military Medical University

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Implication

Comparative study reveals single-position robotic oblique lumbar fusion reduces operative time and radiation exposure in spondylolisthesis, indicating improved procedural efficiency.

Key Points

To compare pedicle screw accuracy, surgical parameters, and early postoperative clinical outcomes between single-position lateral and dual-position robot-assisted oblique lumbar interbody fusion for lumbar spondylolisthesis.
Analyzed 45 patients with single-segment lumbar spondylolisthesis treated between May and June 2022 who underwent robot-assisted oblique lumbar interbody fusion (OLIF) either in a single lateral position (Mazor X) or dual positions with repositioning to prone (Renaissance).
Evaluated screw placement accuracy via postoperative computed tomography using a modified Gertzbein-Robbins scale and recorded operative time, fluoroscopy frequency, visual analog scale (VAS) scores, and Oswestry Disability Index (ODI) scores.
The single-position group demonstrated significantly shorter operative times and required fewer fluoroscopic views than the dual-position group.
Grade A screw accuracy was higher in the single-position group, though clinically acceptable accuracy (Grade A + B) did not differ significantly between cohorts (p > 0.05).
One-week postoperative back pain VAS scores were significantly improved in the single-position group (p < 0.05), while leg pain VAS and ODI scores showed no significant differences between groups.

Cite This Study

Zhao et al. (2023) studied this question.

synapsesocial.com/papers/6a843231ac510c864ff3000d https://doi.org/10.1111/os.13972

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Implication

Comparative study reveals single-position robotic oblique lumbar fusion reduces operative time and radiation exposure in spondylolisthesis, indicating improved procedural efficiency.

Analysis of the Screw Accuracy and Postoperative Efficacy of Screw Placement in Single Position and Bipedal Position in Robot‐Assisted Oblique Lumbar Interbody Fusion: Preliminary Results of Mazor X Stealth Usage

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Key Points

Cite This Study

Analysis of the Screw Accuracy and Postoperative Efficacy of Screw Placement in Single Position and Bipedal Position in Robot‐Assisted Oblique Lumbar Interbody Fusion: Preliminary Results of Mazor X Stealth Usage

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