Division of Vascular Surgery, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo Japan.
Division of Vascular Surgery, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo Japan.
Ann Vasc Surg. 2022 Aug;84:163-168. doi: 10.1016/j.avsg.2021.12.076. Epub 2022 Jan 5.
We evaluated the effectiveness of an original simulation training system in improving the suturing performance of medical students using a previously developed web application for scoring suturing performance.
Medical students were recruited for this study and trained on vascular graft anastomosis. Prosthetic grafts were anastomosed and evaluated after orientation, and after 1 hr and 10 hr after training. Vascular surgeons were recruited as controls. Using a previously developed web application, suturing performance was evaluated on the basis of procedural time, coefficient of variation of bite (length of a stitch across the graft), coefficient of variation of pitch (interval between stitches), and skewness (symmetry of the angles between stitches).
Forty-eight medical students and 10 vascular surgeons were recruited. After 1 hr of training, only the students' procedural time improved. After 10 hr of training, all scores improved compared with those in the first trial, and all students' scores except procedural time were statistically similar to those of the vascular surgeons.
Ten-hour training improved all factors, including bite, pitch, skewness, and time. Our simple and inexpensive training system and web application for calculating anastomosis scores can be a useful open educational resource.
我们使用先前开发的用于评分缝合表现的网络应用程序，评估了一种原创模拟训练系统在提高医学生缝合表现方面的效果。
我们招募了医学生进行血管移植物吻合术的培训。在定向培训后和培训 1 小时及 10 小时后，对假体移植物进行吻合和评估。招募血管外科医生作为对照组。使用先前开发的网络应用程序，根据操作时间、咬合力变异系数（缝线穿过移植物的长度）、间距变异系数（缝线之间的间隔）和偏度（缝线之间角度的对称性）来评估缝合表现。
我们招募了 48 名医学生和 10 名血管外科医生。在 1 小时的培训后，只有学生的操作时间有所改善。在 10 小时的培训后，与第一次试验相比，所有评分均有所提高，除操作时间外，所有学生的评分均与血管外科医生相似。
10 小时的培训提高了所有因素，包括咬合力、间距、偏度和时间。我们简单且廉价的训练系统和用于计算吻合术评分的网络应用程序可以成为一种有用的开放式教育资源。
