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首页> 外文期刊>Surgical Endoscopy >Can skills assessment on a virtual reality trainer predict a surgical trainee's talent in laparoscopic surgery?
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Can skills assessment on a virtual reality trainer predict a surgical trainee's talent in laparoscopic surgery?

机译：虚拟现实培训师的技能评估能否预测出外科医师在腹腔镜手术中的才能？

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BACKGROUND: A number of studies have investigated several aspects of feasibility and validity of performance assessments with virtual reality surgical simulators. However, the validity of performance assessments is limited by the reliability of such measurements, and some issues of reliability still need to be addressed. This study aimed to evaluate the hypothesis that test subjects show logarithmic performance curves on repetitive trials for a component task of laparoscopic cholecystectomy on a virtual reality simulator, and that interindividual differences in performance after considerable training are significant. According to kinesiologic theory, logarithmic performance curves are expected and an individual's learning capacity for a specific task can be extrapolated, allowing quantification of a person's innate ability to develop task-specific skills. METHODS: In this study, 20 medical students at the University of Basel Medical School performed five trials of a standardized task on the LS 500 virtual reality simulator for laparoscopic surgery. Task completion time, number of errors, economy of instrument movements, and maximum speed of instrument movements were measured. RESULTS: The hypothesis was confirmed by the fact that the performance curves for some of the simulator measurements were very close to logarithmic curves, and there were significant interindividual differences in performance at the end of the repetitive trials. CONCLUSIONS: Assessment of perceptual motor skills and the innate ability of an individual with no prior experience in laparoscopic surgery to develop such skills using the LS 500 VR surgical simulator is feasible and reliable.
机译：背景：许多研究已经研究了使用虚拟现实外科手术模拟器进行性能评估的可行性和有效性的几个方面。但是，性能评估的有效性受到此类测量的可靠性的限制，并且仍然需要解决一些可靠性问题。这项研究旨在评估以下假设：测试对象在虚拟现实模拟器上进行的腹腔镜胆囊切除术的一部分任务的重复试验中显示对数性能曲线，并且经过大量培训后个人之间的性能差异非常显着。根据人体运动学理论，可以预期对数性能曲线，并可以推断个人对特定任务的学习能力，从而可以量化一个人发展特定任务技能的先天能力。方法：在这项研究中，巴塞尔大学医学院的20名医学生在用于腹腔镜手术的LS 500虚拟现实模拟器上执行了一项标准化任务的五项试验。测量任务完成时间，错误数量，仪器运动的经济性和仪器运动的最大速度。结果：通过以下事实证实了这一假设：某些模拟器测量的性能曲线非常接近对数曲线，并且在重复试验结束时，性能之间存在显着的个体差异。结论：使用LS 500 VR手术模拟器评估没有腹腔镜手术经验的个人的知觉运动技能和先天能力是可行且可靠的。

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