Study of Alarm Threshold for Assumed Nasogastric Tube Self-removal Action Using the Contact Sensor System
Study of Alarm Threshold for Assumed Nasogastric Tube Self-removal Action Using the Contact Sensor System
复制标题
使用接触传感器系统对假定鼻胃管自行移除动作的警报阈值进行研究
DOI：
10.1109/embc48229.2022.9871854
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发表时间：
2022
期刊：
影响因子：
--
通讯作者：
M.
中科院分区：
文献类型：
--
作者：
Matsumura;A. Amemiya;A. Minowa;T. Ichida;M.
身体约束会对患者的身体、精神和社会健康产生负面影响。然而，老年痴呆患者往往因防止鼻胃管（NG管）自我移除而受到身体上的限制。本研究旨在检查警报阈值设置，仅限于受试者因对NG管感到不安而与NG管接触的动作（假设自我移除动作），使用接触传感器系统以实现非物理约束。在本研究中，我们要求有护理老年痴呆经验的被试做一个假设的自我移除动作和15种非自我移除动作，同时观察接触检测和测量电压。假设的自移除动作的报警阈值从ROC曲线上检查，使用电压零时间和每次动作期间电压上升和下降的次数作为变量。本研究提出的系统使我们能够将误报率从23.3%降低到8.5%。此外，我们使用该报警阈值对三个新受试者的数据进行验证，观察到虚警率为0.0%。我们未来的研究将集中在调查和评估老年痴呆症患者使用报警阈值假设的自我移除行动，我们检查。此外，我们将使用ICT将接触检测与护士呼叫系统连接起来。临床相关性-在本研究中，我们使用接触式传感器系统检查了警报阈值，该阈值仅限于预期的自移除动作。我们证明了检测NG管自拔出是可能的，并且很少有假警报。
Physical restraints negatively impact the physical, mental, and social well-being of patients. However, elderly people with dementia are often physically restrained by preventing nasogastric tube (NG tube) self-removal. This study aimed to examine alarm threshold settings limited to the actions that the subject makes contact with the NG tube out of feeling uneasy for the NG tube (assumed self-removal actions) using a contact sensor system in order to achieve non-physical restraint. In this study, subjects with experience in caring for older people with dementia were required to perform an assumed self-removal action along with 15 kinds of non-self-removal actions, while we observed the contact detection and measured the voltage. The alarm thresholds for the assumed self-removal action were examined from the ROC curve using the voltage zero time and the number of times the voltage was up and down during each action as a variable. The system presented in this study allowed us to reduce the false alarm rate from 23.3% to 8.5%. Furthermore, we used this alarm threshold to verify the data of three new subjects, observing a false alarm rate of 0.0%. Our future research would focus on investigating and evaluating elderly with dementia using the alarm threshold of the assumed self-removal action that we examined. In addition, we would use ICT to link contact detection with the nurse call system. Clinical Relevance— In this study, we examined the alarm threshold limited to the expected self-removal action using a contact sensor system. We showed that it is possible to detect the NG tube self-removal with few false alarms.