Abstract: Introduction: Endoscopic submucosal dissection (ESD) is a technically demanding procedure that requires advanced training, yet the educational quality and reliability of related YouTube content remain uncertain. Objective: This study aimed to evaluate the educational quality of YouTube videos related to ESD using the LAP-VEGaS scoring system and to examine their association with viewer engagement metrics. Methods: A cross-sectional study was conducted in November 2025 by searching YouTube with the keyword “endoscopic submucosal dissection,” yielding 26 eligible videos after applying predefined criteria. For each video, basic characteristics (upload date, duration, views, likes, dislikes, comments) and viewer interaction metrics (like rate, view rate, Video Power Index) were recorded. Two independent reviewers assessed educational quality using the nine-item LAP-VEGaS scoring system, classifying videos as high quality (HQ, ≥9 points) or low quality (LQ, <9 points). Statistical analyses were performed using SPSS 26.0, with p < 0.05 considered significant. Results: Of the 26 analyzed videos, 13 (50%) were classified as HQ. HQ videos had significantly higher LAP-VEGaS scores than LQ videos (13.61 ± 1.98 vs. 4.15 ± 1.77, p < 0.001). HQ videos tended to be longer than LQ videos (1,262 ± 748 s vs. 1,028 ± 1,239 s, p = 0.064). The view ratio was significantly higher in LQ videos (p = 0.043). No significant differences were found between groups regarding total views, like ratio, or VPI. Conclusion: The educational quality of ESD-related YouTube videos is inconsistent and often inadequate, underscoring the need for peer-reviewed, structured content to provide more reliable educational resources.
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