Goff Barbara A, VanBlaricom Amy, Mandel Lynn, Chinn Michael, Nielsen Peter
Department of Obstetrics and Gynecology, Box 356460, University of Washington School of Medicine, Seattle, WA 98195-6460, USA.
J Reprod Med. 2007 May;52(5):407-12.
To evaluate a virtual reality (VR) hysteroscopy device and a standard latex hysteroscopy model for assessment of residents' surgical skills.
As part of a 7-station, objective, structured assessment of technical skills (OSATS), 13 obstetrics and gynecology residents performed myoma resection with the Immersion Hysteroscopy VR Trainer (Gaithersburg, Maryland) and dissection of a polyp with a model from Limbs and Things, Inc. (LT) (Bristol, England). OSATS were scored by both blinded (to the residents' levels) and unblinded examiners using a task-specific checklist, global rating scale and pass/fail assessment.
Reliability indices for the VR model were 0.70 (checklist) and 0.98 (global), with an interrater reliability of 0.87 and 0.92, respectively. Correlation of scores between blinded and unblinded examiners was 0.78 for the checklist and 0.88 for the global (p < 0.001). Examination of construct validity revealed improved scores with-increasing postgraduate year. Comparison of VR scores to LT scores revealed VR scores to be significantly higher than LT scores (p < 0.001). Correlations of VR and LT scores were low for both the global (0.478, p = 0.12) and checklist (0.362, p = 0.24).
The VR Hysteroscopy Trainer is not superior to standard models for evaluating surgical skills.
评估一种虚拟现实（VR）宫腔镜设备和一种标准乳胶宫腔镜模型用于评估住院医师手术技能的情况。
作为一项包含7个站点的客观结构化技术技能评估（OSATS）的一部分，13名妇产科住院医师使用沉浸式宫腔镜VR训练器（位于马里兰州盖瑟斯堡）进行肌瘤切除术，并使用Limbs and Things公司（LT）（位于英国布里斯托尔）的模型进行息肉切除术。OSATS由不知情（对住院医师水平不知情）和知情的考官使用特定任务清单、整体评分量表和通过/失败评估进行评分。
VR模型的可靠性指数，清单为0.70，整体为0.98，评分者间信度分别为0.87和0.92。不知情和知情考官之间的分数相关性，清单为0.78，整体为0.88（p < 0.001）。结构效度检验显示，随着研究生年级增加分数有所提高。VR分数与LT分数比较显示，VR分数显著高于LT分数（p < 0.001）。VR和LT分数的相关性，整体较低（0.478，p = 0.12），清单也较低（0.362，p = 0.24）。
VR宫腔镜训练器在评估手术技能方面并不优于标准模型。
