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首页> 外文期刊>BMC Medical Informatics and Decision Making >Avatar-based versus conventional vital sign display in a central monitor for monitoring multiple patients: a multicenter computer-based laboratory study
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Avatar-based versus conventional vital sign display in a central monitor for monitoring multiple patients: a multicenter computer-based laboratory study

机译：基于阿凡达的与传统的重要标志在中央监视器中显示用于监测多个患者：基于多中心的计算机实验室研究

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Maintaining adequate situation awareness is crucial for patient safety. Previous studies found that the use of avatar-based monitoring (Visual Patient Technology) improved the perception of vital signs compared to conventional monitoring showing numerical and waveform data; and was further associated with a reduction of perceived workload. In this study, we aimed to evaluate the effectiveness of Visual Patient Technology on perceptive performance and perceived workload when monitoring multiple patients at the same time, such as in central station monitors in intensive care units or operating rooms. A prospective, within-subject, computer-based laboratory study was performed in two tertiary care hospitals in Switzerland in 2018. Thirty-eight physician and nurse anesthetists volunteered for the study. The participants were shown four different central monitor scenarios in sequence, where each scenario displayed two critical and four healthy patients simultaneously for 10 or 30?s. After each scenario, participants had to recall the vital signs of the critical patients. Perceived workload was assessed with the National Aeronautics and Space Administration Task-Load-Index (NASA TLX) questionnaire. In the 10-s scenarios, the median number of remembered vital signs significantly improved from 7 to 11 using avatar-based versus conventional monitoring with a mean of differences of 4 vital signs, 95% confidence interval (CI) 2 to 6, p??0.001. At the same time, the median NASA TLX scores were significantly lower for avatar-based monitoring (67 vs. 77) with a mean of differences of 6 points, 95% CI 0.5 to 11, p?=?0.034. In the 30-s scenarios, vital sign perception and workload did not differ significantly. In central monitor multiple patient monitoring, we found a significant improvement of vital sign perception and reduction of perceived workload using Visual Patient Technology, compared to conventional monitoring. The technology enabled improved assessment of patient status and may, thereby, help to increase situation awareness and enhance patient safety.
机译：保持足够的情况意识对于患者安全至关重要。以前的研究发现，与显示数值和波形数据的传统监测相比，使用基于头像的监测（视觉患者技术）的使用改善了生命体征的感知;并进一步与感知工作量的减少相关。在这项研究中，我们旨在评估视觉患者技术在同一时间监测多名患者时对感知性能和感知工作量的有效性，例如在重症监护单位或手术室的中央站监视器中。在2018年瑞士的两位高级护理医院进行了一项潜在的计算机实验室研究。三十八名医生和护士麻醉师为这项研究进行了志愿的。参与者按顺序显示四种不同的中央监控情景，其中每种情况同时显示两个关键和四名健康患者10或30？在每场景之后，参与者必须回顾关键患者的重要迹象。通过国家航空航天局的任务负载指数（NASA TLX）问卷评估了感知工作量。在10-S情景中，使用基于头像的与常规监测的常规监测有7至11个中位数的记忆生命体征显着改善了4个生命体征的平均值，95％置信区间（CI）2至6，P？ <？0.001。同时，对于基于头像的监测（67与77），NASA TLX评分的中位数较低，其平均差异为6分，95％CI 0.5至11，P？= 0.034。在30-S场景中，生命体征感知和工作量没有显着差异。与传统监测相比，在中央监测器中，我们发现使用可视患者技术的重要符号感知和减少感知工作量的显着提高。该技术使得能够改善对患者地位的评估，从而有助于提高情境意识和提高患者安全性。

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