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Examining the Effect of Haptic Factors for Vascular Palpation Skill Assessment Using an Affordable Simulator
IEEE Open Journal of Engineering in Medicine and Biology Pub Date : 2020-08-17 , DOI: 10.1109/ojemb.2020.3017156
Zhanhe Liu 1 , Joseph Bible 2 , Jared Wells 1 , Deepak Vadivalagan 3 , Ravikiran Singapogu 1
Affiliation  

Goal: Simulators that incorporate haptic feedback for clinical skills training are increasingly used in medical education. This study addresses the neglected aspect of rendering simulated feedback for vascular palpation skills training by systematically examining the effect of haptic factors on performance. Methods: A simulator-based approach to examine palpation skill is presented. Novice participants with and without minimal previous palpation training performed a palpation task on a simulator that rendered controlled vibratory feedback under various conditions. Results: Five objective metrics were employed to analyze participants’ performance that yielded key findings in quantifying palpation performance. Participants’ palpation accuracy was influenced by all three haptic factors, ranging from moderate to statistically significant. Duration , Total Path Length and Ratio of Correct Movement also demonstrated utility for quantifying performance. Conclusions: We demonstrate that our affordable simulator is capable of rendering controlled haptic feedback suitable for skills training. Further, metrics presented in this study can be used for structured palpation skills assessment and training, potentially improving healthcare delivery.

中文翻译:

使用经济实惠的模拟器检查触觉因素对血管触诊技能评估的影响

目标:将触觉反馈纳入临床技能培训的模拟器越来越多地用于医学教育。本研究通过系统地检查触觉因素对性能的影响,解决了为血管触诊技能训练提供模拟反馈这一被忽视的方面。方法:一个提出了一种基于模拟器的检查触诊技能的方法。有和没有最低限度先前触诊训练的新手参与者在模拟器上执行触诊任务,该模拟器在各种条件下呈现受控振动反馈。结果:采用五个客观指标来分析参与者的表现,这些指标在量化触诊表现方面产生了关键发现。参与者的触诊准确性受到所有三个触觉因素的影响,范围从中等到统计学显着。期间 ,总路径长度正确运动比例还展示了量化性能的实用性。结论:我们证明了我们负担得起的模拟器能够呈现适合技能培训的受控触觉反馈。此外,本研究中提出的指标可用于结构化触诊技能评估和培训,有可能改善医疗保健服务。
更新日期:2020-09-15
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