The proportion of clinically relevant alarms decreases as patient clinical severity decreases in intensive care units: a pilot study

Objectives: To determine (1) the proportion and number of clinically relevant alarms based on the type of monitoring device; (2) whether patient clinical severity, based on the sequential organ failure assessment (SOFA) score, affects the proportion of clinically relevant alarms and to suggest; (3) methods for reducing clinically irrelevant alarms in an intensive care unit (ICU). Design: A prospective, observational clinical study. Setting: A medical ICU at the University of Tokyo Hospital in Tokyo, Japan. Participants: All patients who were admitted directly to the ICU, aged ≥18 years, and not refused active treatment were registered between January and February 2012. Methods: The alarms, alarm settings, alarm messages, waveforms and video recordings were acquired in real time and saved continuously. All alarms were annotated with respect to technical and clinical validity. Results: 18 ICU patients were monitored. During 2697 patient-monitored hours, 11 591 alarms were annotated. Only ...

研究目的：① 明确基于各类监护设备类型的具有临床相关性警报的占比与数量；② 探究基于序贯器官衰竭评估（Sequential Organ Failure Assessment，SOFA）评分的患者临床严重程度是否会影响具有临床相关性警报的占比，并提出③ 重症监护病房（Intensive Care Unit，ICU）内减少非临床相关性警报的方法。
研究设计：一项前瞻性观察性临床研究。
研究地点：日本东京大学医院内科重症监护病房。
研究对象：2012年1月至2月期间，直接收入ICU、年龄≥18岁且未拒绝积极治疗的所有患者。
研究方法：实时采集警报、警报设置、警报信息、监护波形及视频录像并持续保存；依据技术有效性与临床有效性对所有警报进行标注。
研究结果：共监护18名ICU患者。在总计2697小时的患者监护时长内，累计标注警报11591条。仅……