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Evaluation of Augmented Reality Feedback in Surgical Training Environment
Mohsen Zahiri1, Carl A Nelson1, Dmitry Oleynikov2
11 University of Nebraska-Lincoln, Lincoln, NE, USA.
Surgical Innovation
|November 9, 2017
Summary
Visual time indicators in laparoscopic surgical training are preferred by most trainees but do not significantly improve task completion time or reduce muscle fatigue. Further research is needed to explore their impact on training frequency and performance enhancement.
Area of Science:
- Medical Education
- Surgical Simulation
- Human Factors Engineering
Background:
- Computer-based training offers advantages like self-evaluation and real-time feedback in surgical education.
- Real-time feedback can reduce reliance on expert supervision for trainees.
- Visual time indicators are a potential form of real-time feedback in laparoscopic surgical training.
Purpose of the Study:
- To investigate the effectiveness of a visual time indicator as real-time feedback in laparoscopic surgical training.
- To assess the impact of visual time indicators on task performance, muscle activity, and motivation in novices.
- To determine if visual time indicators introduce any negative side effects like muscle fatigue.
Main Methods:
- Twenty surgical novices performed a standard peg transfer task.
- Participants completed the task with and without different visual time indicator presentations.
- Completion times, muscle activity, and muscle fatigue were recorded and compared.
Main Results:
- 75% of participants preferred using a time indicator during training.
- No significant differences were found in task completion times with or without the time indicator.
- No significant differences in muscle activity or muscle fatigue were detected between conditions.
Conclusions:
- Visual real-time feedback, such as time indicators, can be incorporated into surgical training based on user preference.
- Trainees may experience increased motivation when using visual time indicators.
- The influence of visual time indicators on training frequency and long-term performance improvement requires further investigation.

