Authors
Cassandra Barber, Jen Hoogenes, Kikachukwu Otiono, Kevin Kim, Bobby Shayegan, Kevin Piercey, Edward D Matsumoto
Published in
American journal of surgery. Volume 260. Pages 117107. Jun 18, 2026. Epub Jun 18, 2026.
Abstract
Effective communication during laparoscopic procedures is frequently undermined by spatial disorientation and inconsistent terminology between instructors and trainees. This study examined whether standardized visual overlays on endoscopic monitors could enhance communication and learning. We conducted a three-phase mixed-methods study: qualitative observation of 20 laparoscopic teaching cases; a randomized trial of 63 second-year medical students assigned to control, clock, or alphanumeric grid (AG) overlays during three trials of a standardized transfer task; and intraoperative implementation in 44 cases (30 AG, 14 clock) with post-case surveys and qualitative feedback. In simulation, the clock overlay produced the fastest completion times, whereas the AG yielded the lowest error scores, and both overlays outperformed the control. Intraoperatively, the AG was rated higher than the clock for communication clarity, spatial orientation, perceived operative efficiency, and trainee confidence. Standardized visual overlays, particularly the AG, appear to support intraoperative teaching by providing a shared spatial frame of reference.
PMID:
42364268
Bibliographic data and abstract were imported from PubMed on 28 Jun 2026.
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