Transferable Global Rating Scales in the Validation of the ArthroSim™ Virtual Reality Arthroscopy Simulator.

虚拟现实 结构效度 评定量表 医学 膝关节镜检查 关节镜检查 构造(python库) 表面有效性 模拟 医学物理学 物理疗法 计算机科学 人工智能 外科 心理测量学 心理学 患者满意度 临床心理学 发展心理学 程序设计语言
作者
Alex Mulligan,Kalpesh Vaghela,Luckshman Jeyaseelan,Josh Lee,Kash Akhtar
出处
期刊:Surgical technology international [Universal Medical Press]
卷期号:37: 306-311 被引量:4
标识
摘要

INTRODUCTION Virtual reality arthroscopic simulators are becoming increasingly prevalent in the orthopaedic training environment. The construct validity of the ArthroSim virtual reality simulator (TolTech Touch of Life Technologies, Aurora, Colorado) has been established based on time to completion comparison between candidates of differing levels of surgical experience. This study aims to establish the construct validity of the ArthroSim virtual reality simulator using validated global rating scales that allow direct comparison with intraoperative performance. MATERIALS AND METHODS Eight novices (medical students), eight intermediates (registrars), and seven experts (consultants) were assessed using the Imperial Global Arthroscopy Rating Scale (IGARS) and the Arthroscopic Surgical Skills Evaluation Tool (ASSET) scoring systems while carrying out a standardised basic diagnostic knee arthroscopy using linked and anonymised recordings of both the arthroscopy video output and candidate's hand posture and position. Time to completion was recorded and the expert group also filled out questionnaires assessing the face and content validity of the simulator. RESULTS The mean IGARS/ASSET scores for the novice, intermediate and expert groups were 14/11, 29/22, and 46/36 respectively. The difference in score between each of the groups was statistically significant (p<0.05). The average time to completion was 257 seconds, 305 seconds, and 204 seconds respectively. The time to completion was not significantly different between the groups (p=0.6). CONCLUSIONS The ArthroSim virtual reality simulator could effectively distinguish between candidates of differing experience levels using validated global rating scales and therefore demonstrated construct validity.

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