• World Neurosurg · Feb 2025

    Video-based propagation of tacit knowledge during coil embolization of intracranial aneurysms.

    • Rika Nakamura, Satoshi Koizumi, Shigeta Fujitani, Keita Saito, Hideki Matsumoto, Ryota Miyazawa, Motoyuki Umekawa, Satoshi Kiyofuji, Hideaki Ono, and Nobuhito Saito.
    • Department of Neurosurgery, The University of Tokyo Hospital, Bunkyo-ku, Tokyo, Japan; Department of Neurosurgery, Japan Community Health care Organization Tokyo Shinjuku Medical Center, Shinjuku-ku, Tokyo, Japan.
    • World Neurosurg. 2025 Feb 7; 195: 123673123673.

    BackgroundNeuroendovascular treatment of cerebral aneurysms is considered a basic procedure for neurosurgeons and interventional neuroradiologists; however, its critical technical nuances, termed "tacit knowledge," are challenging to impart. This study aimed to evaluate the efficacy of our novel video recording and editing method in enhancing trainees' experience.MethodsA wearable camera (wearable recording) and multiple media sources in a hybrid operating room (hybrid recording) were used to capture procedural details such as audio and conversation, thus enabling a re-experience. Trainees condensed both recordings into summary videos, and a supervisor subsequently evaluated them. Six trainees watched the following 3 videos: Video 1, only hybrid recording; Video 2, only wearable recording; and Video 3, both wearable and hybrid recordings synchronized, and then provided semiquantitative evaluations ranging from 0 (not useful at all) to 5 (extremely useful).ResultsWe examined 64 unruptured cerebral aneurysm coil embolizations using hybrid wearable recording methods. Video 3 received the highest rating among all participants (5 ± 0 [mean ± standard deviation]), while Videos 1 and 2 received relatively lower ratings (Video 1:3.8 ± 0.7; Video 2:4.2 ± 0.4). The educational impact of video editing across all videos was rated highly (4.4 ± 0.8). The respondents showed diverse opinions on editing time, with some perceiving it as less time-consuming than other surgery video edits (3.4 ± 1.1).ConclusionsOur hybrid and wearable recording and editing methods facilitated the propagation of tacit knowledge of coil embolization and enhanced surgical education by enabling more efficient learning of technical tips.Copyright © 2025 The Author(s). Published by Elsevier Inc. All rights reserved.

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