Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8675295 | Progress in Cardiovascular Diseases | 2017 | 43 Pages |
Abstract
We have developed a multisensor home and ambulatory blood pressure (BP) monitoring system for monitoring 24-h central and brachial BP variability concurrent with physical activity (PA), temperature, and atmospheric pressure. The new BP monitoring system utilizes our recently developed biological and environmental signal monitoring Information Communication Technology/Internet of Things system, which can simultaneously monitor the environment (temperature, illumination, etc.) of different rooms in a house (entryway, bedroom, living room, bathing room, and toilet), and a wrist-type high-sensitivity actigraph for identifying the location of patients. By collecting both data on BP and environmental parameters, the system can assess the brachial and central hemodynamic BP reactivity profiles of patients, such as actisensitivity (BP change with PA), thermosensitivity (with temperature), and atmospheric sensitivity (with atmospheric pressure). We used this new system to monitor ambulatory BP variability in outpatients with one or more cardiovascular disease (CVD) risk factors both in summer and winter. Actisensitivity (the slope of the regression line of ambulatory BP against the log-physical activity) was higher in winter than summer. By multi-level analysis using the parameters monitored by this system, we estimated the ambulatory BPs under different conditions. The individual time-series big data collected by this system will contribute to anticipation medicine for CVD.
Keywords
HBPMABPMIoTIMSInternet of Things (IoT)Internet of Thingscoronary artery diseasecardiovascular diseasechronic kidney diseaseThermosensitiveCVDCADBlood pressurePhysical activityInformation and Communication TechnologyICTInformation and Communication Technology (ICT)blood pressure variabilityheart failureCKDhome blood pressure monitoringambulatory blood pressure monitoringartificial intelligence
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Authors
Kazuomi Kario, Naoko Tomitani, Hiroshi Kanegae, Nobuhiko Yasui, Masafumi Nishizawa, Takeshi Fujiwara, Takeya Shigezumi, Ryozo Nagai, Hiroshi Harada,