Related Experiment Video
Updated: Jan 24, 2026

Laparoscopic Anatomical Right Hemihepatectomy via the In Situ Anterior Approach
Published on: August 8, 2025
Instant replay: Evaluation of instant video feedback in surgical novices for a laparoscopic gallbladder dissection
Ameer Farooq1, Artan Reso1, Adrian Harvey2
1Section of General Surgery, Department of Surgery, University of Calgary, Room 1023, North Tower, 1403 - 29 St, T2N 2T9, Calgary, AB, Canada.
Background:
Athletes often use video to improve their technique. We hypothesized that surgical novices given feedback using video-replay would outperform surgical novices given verbal feedback in the performance of a laparoscopic task.
Methods:
Our study used a prospective, randomized control design. The surgical task involved the laparoscopic dissection of a pig gallbladder. Our participants performed a dissection, pre- and post-traditional or video feedback. Each recording was independently scored by two staff surgeons using the previously validated rating tools.
Results:
There was no significant difference between video feedback or traditional feedback groups in their mean overall or task specific scores. Both traditional and video-feedback groups had a trend towards improved performance post-feedback.
Conclusions:
No significant difference in performance by both our global assessment metrics or task-specific metrics was observed. Video feedback requires further study to investigate its impact on surgical training.
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