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Using motion capture to assess colonoscopy experience level

World Journal of Gastrointestinal Endoscopy 2014年第5期6卷 53-59页

作者： Morten Bo Svendsen Louise Preisler Jens Georg Hillingsoe lars Bo Svendsen lars konge Centre for Clinical Education University of Copenhagen and the Capital Region of Denmark Department of Surgical Gastroenterology Rigshospitalet and University of Copenhagen

AIM: To study technical skills of colonoscopists using a Microsoft Kinect? for motion analysis to develop a tool to guide colonoscopy ***: Ten experienced endoscopists(gastroenterologists, n = 2; colorectal surgeons, n = 8) and 11 novices participated in the study. A Microsoft Kinect? recorded the movements of the participants during the insertion of the colonoscope. We used a modified script from Microsoft to record skeletal data. Data were saved and later transferred to MatLab for analysis and the calculation of statistics. The test was performed on a physical model, specifically the "Kagaku Colonoscope Training Model"(Kyoto Kagaku Co. Ltd, Kyoto, Japan). After the introduction to the scope and colonoscopy model, the test was performed. Seven metrics were analyzed to find discriminative motion patterns between the novice and experienced endoscopists: hand distance from gurney, number of times the right hand wasused to control the small wheel of the colonoscope, angulation of elbows, position of hands in relation to body posture, angulation of body posture in relation to the anus, mean distance between the hands and percentage of time the hands were approximated to each ***: Four of the seven metrics showed discriminatory ability: mean distance between hands [45 cm for experienced endoscopists(SD 2) vs 37 cm for novice endoscopists(SD 6)], percentage of time in which the two hands were within 25 cm of each other [5% for experienced endoscopists(SD 4) vs 12% for novice endoscopists(SD 9)], the level of the right hand below the sighting line(z-axis)(25 cm for experienced endoscopists vs 36 cm for novice endoscopists, P < 0.05) and the level of the left hand below the z-axis(6 cm for experienced endoscopists vs 15 cm for novice endoscopists, P < 0.05). By plotting the distributions of the percentages for each group, we determined the best discriminatory value between the groups. A pass score was set at the intersection of the distributions, and

关键词： Colonoscopy 评价模拟运动俘获运动分析

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基于循证评估的新开发模拟器针灸技能测量:一项效度研究

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World Journal of Acupuncture-Moxibustion 2022年第4期32卷 298-304页

作者：谢素君王政周颖芳拉尔斯·孔格万赖思琪曹喜俊万幸胡赟方芳黄康柏张梁庄珣广州中医药大学广州510006 广东省模拟医学研究院广州510620 广州医科大学附属第三医院广州510150 哥本哈根大学模拟医学研究院哥本哈根DK2100 广州中医药大学第二附属医院广州510120 南京医科大学附属逸大医院南京211000 广州中医药大学第一附属医院广州510405

Objective:Acupuncture is an efficient treatment modality for many different training,but the technique can be challenging to *** of the different acupuncture points can now be practiced in a standardized and patient-safe simulation-based *** aim to gather additional evidence regarding simulation-based training of acupuncture skills and hope that the simulation-based test developed and will be used for simulation-based mastery learning in future ***:The aim of this study was to develop a test of acupuncture skills using the TCM(Traditional Chinese Medicine) Meridians & Acupoints Anatomy Teaching Platform and gather validity evidence using Messick’s *** medical students without prior experience in acupuncture(n=43),intermediate medical students who had finished the mandatory acupuncture course(n=24),and skilled acupuncture doctors(n=17) were included in the ***-hundred and seven acupuncture points were presented to the participants in identical randomized order and they were asked to identify each point by touching the correct anatomical location on the *** simulator automatically registered the accuracy of participants’ ***:The reliability of the final test(66 acupuncture points) was at a high level with a Cronbach’s alpha of 0.98 and only 16 acupuncture points were needed to ensure a reliability of *** test could discriminate significantly between all three groups and a credible pass/fail-score of 34 points was determined which resulted in eight out of 43(19%) novices passing the test and only two out of 17(12%)experienced failing the *** consequences were statistically significant(P <0.001).Conclusion:Based on Messick’s framework we demonstrated strong validity evidence for a newly developed simulation-based test of acupuncture points localization *** test can be used as an aid to decide when trainees are ready to progress to more advanced training and clinical prac

关键词： Acupuncture Simulation Assessment Validity Mastery learning

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