Sleep Monitoring during Acute Stroke Rehabilitation: Toward Automated Measurement Using Multimodal Wireless Sensors

被引:5
作者
Chen, Pin-Wei [1 ]
O'Brien, Megan K. [1 ,2 ]
Horin, Adam P. [1 ]
Koch, Lori L. McGee [1 ]
Lee, Jong Yoon [3 ]
Xu, Shuai [3 ,4 ]
Zee, Phyllis C. [5 ]
Arora, Vineet M. [6 ]
Jayaraman, Arun [1 ,2 ]
机构
[1] Shirley Ryan Abil Lab, Max Nader Lab Rehabil Technol & Outcomes Res, Chicago, IL 60611 USA
[2] Northwestern Univ, Dept Phys Med & Rehabil, Chicago, IL 60611 USA
[3] Sibel Hlth Inc, Niles, IL 60714 USA
[4] Northwestern Univ, Querrey Simpson Inst Bioelect, Evanston, IL 60208 USA
[5] Northwestern Univ, Ctr Circadian & Sleep Med, Dept Neurol, Chicago, IL 60611 USA
[6] Univ Chicago Med, Dept Med, Chicago, IL 60637 USA
关键词
machine learning; stroke; sleep; rehabilitation; wearable sensors; health outcome; INSOMNIA;
D O I
10.3390/s22166190
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Sleep plays a critical role in stroke recovery. However, there are limited practices to measure sleep for individuals with stroke, thus inhibiting our ability to identify and treat poor sleep quality. Wireless, body-worn sensors offer a solution for continuous sleep monitoring. In this study, we explored the feasibility of (1) collecting overnight biophysical data from patients with subacute stroke using a simple sensor system and (2) constructing machine-learned algorithms to detect sleep stages. Ten individuals with stroke in an inpatient rehabilitation hospital wore two wireless sensors during a single night of sleep. Polysomnography served as ground truth to classify different sleep stages. A population model, trained on data from multiple patients and tested on data from a separate patient, performed poorly for this limited sample. Personal models trained on data from one patient and tested on separate data from the same patient demonstrated markedly improved performance over population models and research-grade wearable devices to detect sleep/wake. Ultimately, the heterogeneity of biophysical signals after stroke may present a challenge in building generalizable population models. Personal models offer a provisional method to capture high-resolution sleep metrics from simple wearable sensors by leveraging a single night of polysomnography data.
引用
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页数:15
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