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Pre-clinical medical student cardiac point-of-care ultrasound curriculum based on the American Society of Echocardiography recommendations: a pilot and feasibility study
Pilot and Feasibility Studies ( IF 1.5 ) Pub Date : 2021-09-14 , DOI: 10.1186/s40814-021-00910-3
Satoshi Jujo 1, 2 , Jannet J Lee-Jayaram 1 , Brandan I Sakka 1 , Atsushi Nakahira 1, 3 , Akihisa Kataoka 4 , Masaki Izumo 5 , Kenya Kusunose 6 , Natsinee Athinartrattanapong 1, 7 , Sayaka Oikawa 1, 8 , Benjamin W Berg 1
Affiliation  

Cardiac point-of-care ultrasound (POCUS) training has been integrated into medical school curricula. However, there is no standardized cardiac POCUS training method for medical students. To address this issue, the American Society of Echocardiography (ASE) proposed a framework for medical student cardiac POCUS training. The objective of this pilot study was to develop a medical student cardiac POCUS curriculum with test scoring systems and test the curriculum feasibility for a future definitive study. Based on the ASE-recommended framework, we developed a cardiac POCUS curriculum consisting of a pre-training online module and hands-on training with a hand-held ultrasound (Butterfly iQ, Butterfly Network Inc., Guilford, CT, USA). The curriculum learning effects were assessed with a 10-point maximum skill test and a 40-point maximum knowledge test at pre-, immediate post-, and 8-week post-training. To determine the curriculum feasibility, we planned to recruit 6 pre-clinical medical students. We semi-quantitatively evaluated the curriculum feasibility in terms of recruitment rate, follow-up rate 8 weeks after training, instructional design of the curriculum, the effect size (ES) of the test score improvements, and participant satisfaction. To gather validity evidence of the skill test, interrater and test-retest reliability of 3 blinded raters were assessed. Six pre-clinical medical students participated in the curriculum. The recruitment rate was 100% (6/6 students) and the follow-up rate 8 weeks after training was 100% (6/6). ESs of skill and knowledge test score differences between pre- and immediate post-, and between pre- and 8-week post-training were large. The students reported high satisfaction with the curriculum. Both interrater and test-retest reliability of the skill test were excellent. This pilot study confirmed the curriculum design as feasible with instructional design modifications including the hands-on training group size, content of the cardiac POCUS lecture, hands-on teaching instructions, and hand-held ultrasound usage. Based on the pilot study findings, we plan to conduct the definitive study with the primary outcome of long-term skill retention 8 weeks after initial training. The definitive study has been registered in ClinicalTrials.gov (Identifier: NCT04083924).

中文翻译:

基于美国超声心动图学会建议的临床前医学生心脏床旁超声课程:试点和可行性研究

心脏床旁超声 (POCUS) 培训已纳入医学院课程。然而,医学生没有标准化的心脏 POCUS 训练方法。为了解决这个问题,美国超声心动图学会 (ASE) 提出了医学生心脏 POCUS 培训的框架。这项试点研究的目的是开发一个带有测试评分系统的医学生心脏 POCUS 课程,并测试课程的可行性,以进行未来的最终研究。基于 ASE 推荐的框架,我们开发了心脏 POCUS 课程,包括预培训在线模块和手持超声动手培训(Butterfly iQ,Butterfly Network Inc.,Guilford,CT,USA)。课程学习效果在培训前、培训后立即和培训后 8 周通过 10 分最高技能测试和 40 分最高知识测试进行评估。为了确定课程的可行性,我们计划招募 6 名临床前医学生。我们从招募率、培训后 8 周的跟进率、课程的教学设计、考试成绩提高的效果大小 (ES) 和参与者满意度等方面对课程的可行性进行了半定量评估。为了收集技能测试的有效性证据,评估了 3 位盲评者的交互者和重测信度。六名临床前医学生参加了课程。招收率为100%(6/6学生),培训后8周随访率为100%(6/6)。训练前和训练后立即以及训练前和训练后 8 周之间的技能和知识测试得分的 ESs 差异很大。学生对课程的满意度很高。技能测试的评分者间和重测信度都非常好。这项试点研究证实了课程设计是可行的,包括动手培训小组规模、心脏 POCUS 讲座内容、动手教学指导和手持超声使用等教学设计修改。根据试点研究结果,我们计划进行最终研究,主要结果是初始培训后 8 周的长期技能保留。最终研究已在 ClinicalTrials.gov 注册(标识符:NCT04083924)。训练前和训练后 8 周之间的差距很大。学生对课程的满意度很高。技能测试的评分者间和重测信度都非常好。这项试点研究证实了课程设计是可行的,包括动手培训小组规模、心脏 POCUS 讲座内容、动手教学指导和手持超声使用等教学设计修改。根据试点研究结果,我们计划进行最终研究,主要结果是初始培训后 8 周的长期技能保留。最终研究已在 ClinicalTrials.gov 注册(标识符:NCT04083924)。训练前和训练后 8 周之间的差距很大。学生对课程的满意度很高。技能测试的评分者间和重测信度都非常好。这项试点研究证实了课程设计是可行的,包括动手培训小组规模、心脏 POCUS 讲座内容、动手教学指导和手持超声使用等教学设计修改。根据试点研究结果,我们计划进行最终研究,主要结果是初始培训后 8 周的长期技能保留。最终研究已在 ClinicalTrials.gov 注册(标识符:NCT04083924)。这项试点研究证实了课程设计是可行的,包括动手培训小组规模、心脏 POCUS 讲座内容、动手教学指导和手持超声使用等教学设计修改。根据试点研究结果,我们计划进行最终研究,主要结果是初始培训后 8 周的长期技能保留。最终研究已在 ClinicalTrials.gov 注册(标识符:NCT04083924)。这项试点研究证实了课程设计是可行的,包括动手培训小组规模、心脏 POCUS 讲座内容、动手教学指导和手持超声使用等教学设计修改。根据试点研究结果,我们计划进行最终研究,主要结果是初始培训后 8 周的长期技能保留。最终研究已在 ClinicalTrials.gov 注册(标识符:NCT04083924)。我们计划进行最终研究,主要结果是初始培训后 8 周的长期技能保留。最终研究已在 ClinicalTrials.gov 注册(标识符:NCT04083924)。我们计划进行最终研究,主要结果是初始培训后 8 周的长期技能保留。最终研究已在 ClinicalTrials.gov 注册(标识符:NCT04083924)。
更新日期:2021-09-14
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