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Expert laparoscopist performance on virtual reality simulation tasks with and without haptic features.

Margaret Siu¹, Kaitlin Debbink¹, Amanda Duda¹

¹Department of Surgery Baystate Health, University of Massachusetts Chan Medical School-Baystate, 759 Chestnut Street, Springfield, MA, 01199, USA.

Surgical Endoscopy

|August 10, 2023

Summary

This summary is machine-generated.

Virtual reality (VR) simulation with haptic feedback improved expert laparoscopists' accuracy and economy of movement in specific surgical tasks. However, the study did not demonstrate an advantage in overall skills acquisition, warranting further investigation.

Keywords:

Haptic feedback Surgical simulation Virtual reality

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Area of Science:

Medical Simulation and Training
Surgical Skill Assessment
Human-Computer Interaction in Medicine

Background:

Virtual reality (VR) simulation is utilized for laparoscopic training, with versions offering haptic feedback.
Limited data exists on the specific impact of haptic feedback on skill development in surgical training.
Expert laparoscopists' performance differences between haptic and non-haptic VR interfaces require investigation.

Purpose of the Study:

To compare the skill characteristics of expert laparoscopists using VR laparoscopic tasks with and without haptic feedback.
To evaluate the influence of haptic feedback on performance metrics during simulated laparoscopic procedures.

Main Methods:

Five expert laparoscopists performed seven distinct laparoscopic tasks on two VR simulators: one with haptic feedback and one without.
Tasks included instrument navigation, retraction, cutting, electrosurgery, and object positioning at default difficulty settings.
Performance metrics such as time, economy of movement, task completion, and errors were recorded and analyzed using statistical methods.

Main Results:

Haptic feedback significantly improved accuracy in retraction, cutting, and clip application tasks.
Economy of movement was enhanced with haptic feedback for clip application and complex object positioning.
While specific task performance improved, no significant overall change in performance was noted across the final iterations for most metrics.

Conclusions:

Haptic feedback in VR laparoscopic simulators enhances performance in accuracy and efficient instrument motion for specific tasks.
Expert surgeons effectively interpret haptic cues, leading to better performance on VR task requirements.
Further research is needed to determine if haptic feedback provides an advantage in overall laparoscopic skills acquisition.