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Validation of a Virtual Reality-Based Hip Arthroscopy Simulator.

David E Bauer1, Karl Wieser1, Alexander Aichmair1

  • 1Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland.

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
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This study validates a new virtual reality hip arthroscopy simulator. The simulator shows high construct and face validity, making it a realistic training tool for surgeons.

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Area of Science:

  • Surgical simulation and medical education technology.
  • Orthopedic surgery and arthroscopy training.

Background:

  • Virtual reality (VR) simulators offer a promising avenue for surgical training.
  • Developing and validating VR simulators is crucial for effective skill acquisition in arthroscopic procedures.

Purpose of the Study:

  • To assess the construct and face validity of a novel VR-based hip arthroscopy simulator.
  • To determine if the simulator accurately reflects surgical expertise and perceived realism.

Main Methods:

  • Utilized the Arthroscopic Surgery Skills Evaluation Tool (ASSET), metric parameters (task completion time, camera/graspers paths), and a questionnaire.
  • Compared performance of 9 hip arthroscopy experts against 33 nonexperts on 3 simulated hip arthroscopy tasks.
  • Evaluated face validity through participant questionnaires regarding realism.

Main Results:

  • The ASSET scores showed a statistically significant difference between experts and nonexperts (25.0 vs 15.30, P < .001), confirming strong construct validity.
  • Most metric parameters also differed significantly between groups.
  • The simulator demonstrated high face validity, with 79% rating it as "completely" or "close to" realistic.

Conclusions:

  • The novel VR hip arthroscopy simulator possesses high construct and face validity.
  • The simulator is an adequate and realistic model for training specific hip arthroscopic procedures.