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Related Experiment Video

Updated: Nov 2, 2025

A Spine Robotic-Assisted Navigation System for Pedicle Screw Placement
06:24

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Robotics in spine surgery: A systematic review.

Daniel M McKenzie1, Alison M Westrup1, Christen M O'Neal1

  • 1Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia
|June 13, 2021
PubMed
Summary

Robotic systems enhance pedicle screw accuracy in spine surgery, offering superior results compared to free-hand techniques. However, robotic failure necessitates significant manual conversion rates.

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Area of Science:

  • Spine Surgery
  • Robotics in Medicine
  • Surgical Instrumentation

Background:

  • Robotic systems are increasingly utilized for pedicle screw placement in spine surgery.
  • Evidence regarding their utility and outcomes requires systematic evaluation.

Purpose of the Study:

  • To systematically review the literature on robotic-assisted pedicle screw placement.
  • To assess the accuracy, indications, conversion rates, radiation exposure, and learning curve associated with these systems.

Main Methods:

  • Systematic literature review of 34 studies meeting inclusion criteria.
  • Analysis of outcomes including pedicle screw accuracy (Gertzbein Robbins scale), indications, conversion rates, radiation exposure, and learning curve.
  • Identification of five distinct robotic systems.

Main Results:

  • Pedicle screw accuracy ranged from 80% to 100% (clinically acceptable: <2mm breech).
  • Degenerative conditions were the most common indication for robotic surgery.
  • Robotic failure was the most frequent reason for conversion to manual instrumentation.
  • Most studies reported reduced radiation exposure with robotic systems.
  • Learning curve effects were inconsistent across studies.

Conclusions:

  • Robotic systems demonstrate superior accuracy for pedicle screw placement compared to free-hand techniques.
  • Significant rates of manual conversion due to robotic failure persist.
  • These systems are effective for various pathologies when used by trained surgeons.