Novice and Expert Anesthesiologists' Eye-Tracking Metrics During Simulated Epidural Block: A Preliminary, Brief Observational Report.

IF 1.5 Q3 ANESTHESIOLOGY Local and Regional Anesthesia Pub Date : 2020-08-21 eCollection Date: 2020-01-01 DOI:10.2147/LRA.S267879
Emanuele Capogna, Francesco Salvi, Lorena Delvino, Andrea Di Giacinto, Matteo Velardo
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引用次数: 7

Abstract

Introduction: Eye tracking is the process of measuring an individual's eye movements to register their attentional behavior by using a device called an eye-tracker. Studies conducted using eye-tracking techniques have demonstrated a number of differences in eye movement parameters and patterns between experts and novices. The aim of this preliminary study was to evaluate if there are any differences in eye-tracking metrics between novice and expert anesthesiologists during the performance of an epidural block using an epidural simulator.

Methods: Seven experts and seven novices who gave their consent to this preliminary study were asked to perform an epidural technique using an epidural simulator while wearing a pair of Tobii Pro glasses. Number of fixations, fixation duration, heat maps and scan-paths were examined by Tobii Pro Lab Software. Duration of the procedure was also recorded.

Results: The observation of the attentional heat map and gaze plot showed different gaze dispersion between experts and novices. The mean total duration of fixations during needle insertion and advancement and catheter introduction was lower in experts than trainees (respectively, 0.18 vs 3.56 sec; P<0.05 and 0.73 vs 2.48 sec; P<0.05). The mean fixation count was greater in experts vs trainees (5 vs 2; P<0.05). The mean duration of the epidural procedure was 104.16 (41) (trainees) vs 65.3 (32.6) seconds (experts) (P<0.05). Expert anesthesiologists spent more time fixating a more specific target location (eg, the point of the epidural needle rather than the syringe's barrel) whilst novices split their attention between tracking their tools and the target location.

Discussion: Eye tracking may have interesting implications for the creation of assessment programs, which distinguish skill level through the use of gaze behavior, and may be a promising tool for monitoring training progress towards the development of expertise.

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新手和专家麻醉师在模拟硬膜外阻滞期间的眼动追踪指标:初步,简短的观察报告。
眼动追踪是通过一种叫做眼动仪的设备来测量一个人的眼球运动来记录他们的注意力行为的过程。使用眼球追踪技术进行的研究表明,专家和新手在眼球运动参数和模式上存在许多差异。本初步研究的目的是评估新手和专家麻醉师在使用硬膜外模拟器进行硬膜外阻滞时的眼动追踪指标是否存在差异。方法:7名专家和7名新手同意这项初步研究,并要求他们戴上一副Tobii Pro眼镜,使用硬膜外模拟器进行硬膜外技术。用Tobii Pro Lab软件检测注视次数、注视时间、热图和扫描路径。该过程的持续时间也被记录下来。结果:注意热图和凝视图的观察显示,专家和新手的凝视离散度存在差异。专家组在插针、推进和导尿管引入期间的平均总固定时间低于实习生组(分别为0.18 vs 3.56秒;讨论:眼动追踪可能会对评估程序的创建产生有趣的影响,通过使用凝视行为来区分技能水平,并且可能是一种有前途的工具,用于监控专业知识发展的培训进展。
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来源期刊
CiteScore
6.30
自引率
0.00%
发文量
12
审稿时长
16 weeks
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