@文章{信息:doi/10.2196/19859，作者=“Kim, Ben和Hunt, Miranda和Muscedere, John和Maslove, David M和Lee, Joon”，标题=“使用消费者级身体活动跟踪器来测量老年重症监护幸存者的虚弱过渡:探索性观察研究”，期刊=“JMIR Aging”，年=“2021”，月=“2月”，日=“23”，卷=“4”，数=“1”，页=“e19859”，关键词=“虚弱;虚弱的老人;可穿戴电子设备;健身追踪;活动追踪;心率;睡眠监测;背景:危重症已被认为是高危老年人衰弱发展的前哨事件。虚弱的危重症幸存者受到不良健康结果增加的影响，但重症监护病房(ICU)出院后的康复监测具有挑战性。随着传感器技术的快速发展，临床医生和医疗保健系统的资助者预计可穿戴设备在监测临床相关措施方面的作用将越来越大。 The use of wearable devices has also generated great interest among older patients, and they are the fastest growing group of consumer-grade wearable device users. Recent research studies indicate that consumer-grade wearable devices offer the possibility of measuring frailty. Objective: This study aims to examine the data collected from wearable devices for the progression of frailty among critical illness survivors. Methods: An observational study was conducted with 12 older survivors of critical illness from Kingston General Hospital in Canada. Frailty was measured using the Clinical Frailty Scale (CFS) at ICU admission, hospital discharge, and 4-week follow-up. A wearable device was worn between hospital discharge and 4-week follow-up. The wearable device collected data on step count, physical activity, sleep, and heart rate (HR). Patient assessments were reviewed, including the severity of illness, cognition level, delirium, activities of daily living, and comorbidity. Results: The CFS scores increased significantly following critical illness compared with the pre-ICU frailty level (P=.02; d=−0.53). Survivors who were frail over the 4-week follow-up period had significantly lower daily step counts than survivors who were not frail (P=.02; d=1.81). There was no difference in sleep and HR measures. Daily step count was strongly correlated with the CFS at 4-week follow-up (r=−0.72; P=.04). The average HR was strongly correlated with the CFS at hospital discharge (r=−0.72; P=.046). The HR SD was strongly correlated (r=0.78; P=.02) with the change in CFS from ICU admission to 4-week follow-up. No association was found between the CFS and sleep measures. The pattern of increasing step count over the 4-week follow-up period was correlated with worsening of frailty (r=.62; P=.03). Conclusions: This study demonstrated an association between frailty and data generated from a consumer-grade wearable device. Daily step count and HR showed a strong association with the frailty progression of the survivors of critical illness over time. Understanding this association could unlock a new avenue for clinicians to monitor and identify a vulnerable subset of the older adult population that might benefit from an early intervention. ", issn="2561-7605", doi="10.2196/19859", url="https://aging.www.mybigtv.com/2021/1/e19859", url="https://doi.org/10.2196/19859", url="http://www.ncbi.nlm.nih.gov/pubmed/33620323" }