Title

Does the Method of Visualization Impact the Performance of a New Surgical Task in Novice Subjects?

Document Type

Article

Publication Date

6-2020

Publisher

Wiley

Source Publication

International Journal of Medical Robotics and Computer Assisted Surgery

Source ISSN

1478-5951

Abstract

Introduction

Evolution of optical technology from two-dimensional to three-dimensional (3D) systems has come with an associated loss of stereoscopy and 3D depth perception. This report compares performance of surgical tasks in unbiased subjects using these systems.

Methods

Untrained subjects were randomized into two groups, robotically operated video optical telescopic-microscope (ROVOT) or surgical microscope (microscope). Subjects sutured and tied knots. Completion time, NASA-Task Load Index (TLX), and galvanic skin responses were analyzed.

Results

Intergroup analysis of suture completion time indicated that microscope use was significantly faster compared to ROVOT, whether used first or second. Regardless of which methodology was used first, the second modality was faster, indicating a transfer effect. NASA-TLX indicated that mental, performance, effort, and frustration were all greater with ROVOT.

Conclusion

Task completion time and perceived effort were greater with ROVOT. Task completion times improved with repetition regardless of visual modality.

Comments

International Journal of Medical Robotics and Computer Assisted Surgery, Vol. 16, No. 3 (June 2020): e2088. DOI.

Maharaj Singh was affiliated with Department of Neurosurgery, Aurora Neuroscience Innovation Institute, Aurora St. Luke's Medical Center, Milwaukee, Wisconsin at the time of publication.

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