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首页> 外文期刊>Surgical Endoscopy >Qualitative and quantitative analysis of the learning curve of a simulated surgical task on the da Vinci system.
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Qualitative and quantitative analysis of the learning curve of a simulated surgical task on the da Vinci system.

机译：达芬奇系统上模拟手术任务的学习曲线的定性和定量分析。

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BACKGROUND. Robotic telemanipulation systems provide solutions to the problems of less dexterity and visual constraints of minimally invasive surgery (MIS). However, their influence over surgeons' dexterity and learning curve needs to be assessed. We present motion analysis as an objective method to measure performance and learning progress.METHODS. Thirteen surgeons completed five synthetic small bowel anastomoses using the da Vinci system. Objective Structured Assessment of Technical Skills (OSATS) allowed qualitative analysis. Quantitative analysis used API software of the system to retrieve real-time robotic signal data of time, path length, and number of movements. Wilcoxon signed ranks test was used for statistical analysis. A p value <0.05 was considered significant.RESULTS. OSATS global scores were 18.6 points for the first attempt and 26 for the fifth attempt ( p < 0.02, Cronbach's alpha = 0.894). Paired data of motion analysis for attempts 1 vs 5 showed significant change: time taken 3507 secand 2287 sec ( p < 0.008), total number of movements 2411 and 1387 ( p = 0.01), total path length 21,630 cm and 13,941 cm ( p = 0.01).CONCLUSIONS. A rapid learning curve to a competent level using the da Vinci system is possible aided by the system's intuitive motion. Motion analysis is a useful tool to measure performance in the da Vinci system compared to OSATS and time alone.
机译：背景。机器人远程操纵系统提供了解决方案，以解决灵活性较差和微创手术（MIS）视觉受限的问题。但是，需要评估它们对外科医生的灵活性和学习曲线的影响。我们提出运动分析作为衡量绩效和学习进度的一种客观方法。 13名外科医生使用da Vinci系统完成了5例人造小肠吻合术。客观的技术技能结构评估（OSATS）可以进行定性分析。定量分析使用系统的API软件检索时间，路径长度和运动次数的实时机器人信号数据。使用威尔科克森符号秩检验进行统计分析。 p值<0.05被认为是显着的。第一次尝试的OSATS总体得分是18.6分，第五次尝试是26分（p <0.02，克伦巴赫α= 0.894）。尝试1对5的运动分析的配对数据显示出显着变化：花费时间3507秒和2287秒（p <0.008），总运动次数2411和1387（p = 0.01），总路径长度21,630 cm和13,941 cm（p = 0.01）。结论。借助达芬奇系统的直观动作，可以快速达到熟练水平的学习曲线。与OSATS和单独的时间相比，运动分析是衡量达芬奇系统性能的有用工具。

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