The effect of simulation training on resident proficiency in thoracolumbar pedicle screw placement using computer-assisted navigation

Andrew M. Gardeck, Xuan Pu, Qiuyu Yang, David W. Polly, Kristen E. Jones

Research output: Contribution to journalArticlepeer-review

Abstract

OBJECTIVE Residency work-hour restrictions necessitate efficient, reproducible training. Simulation training for spinal instrumentation placement shows significant benefit to learners’ subjective and objective proficiency. Cadaveric laboratories are most effective but have high cost and low availability. The authors’ goal was to create a low-cost, efficient, reproducible spinal instrumentation placement simulation curriculum for neurosurgery and orthopedic surgery residents using synthetic models and 3D computer-assisted navigation, assessing subjective and objective proficiency with placement of thoracolumbar pedicle screws. METHODS Fifteen neurosurgery and orthopedic surgery residents participated in a standardized curriculum with lecture followed by two separate sessions of thoracolumbar pedicle screw placement in a synthetic spine model utilizing 3D computer-assisted navigation. Data were collected on premodule experience, time and accuracy of screw placement, and both subjective and objective ratings of proficiency. RESULTS Fifteen of 15 residents demonstrated improvement in subjective (Physician Performance Diagnostic Inventory Scale [PPDIS]) and 14 in objective (Objective Structured Assessment of Technical Skills [OSATS]) measures of proficiency in navigated screw placement with utilization of this curriculum (p < 0.001 for both), regardless of the number of cases of previous experience using thoracolumbar spinal instrumentation. Fourteen of 15 residents demonstrated decreased time per screw placement from session 1 to session 2 (p = 0.006). There was no significant difference in pedicle screw accuracy between session 1 and session 2. CONCLUSIONS A standardized curriculum using synthetic simulation training for navigated thoracolumbar pedicle screw placement results in significantly improved resident subjective and objective proficiency. Development of a nationwide competency curriculum using simulation training for spinal instrumentation placement should be considered for safe, efficient resident training.

Original languageEnglish (US)
Pages (from-to)127-134
Number of pages8
JournalJournal of Neurosurgery: Spine
Volume34
Issue number1
DOIs
StatePublished - Jan 2021

Bibliographical note

Funding Information:
Module equipment was funded and provided by Medtronic. Dr. Polly: consultant for SI Bone; royalties from Springer; support of non–study-related clinical or research effort from Medtronic and Mizuho OSI; and royalties paid to his institution from Medtronic and Globus.

Keywords

  • Navigation simulation
  • Resident training
  • Spinal instrumentation simulator training
  • Surgical technique

PubMed: MeSH publication types

  • Journal Article

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