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Development of beat-by-beat blood pressure monitoring device and nocturnal sec-surge detection algorithm
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Development of beat-by-beat blood pressure monitoring device and nocturnal sec-surge detection algorithm
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Journal Article
Development of beat-by-beat blood pressure monitoring device and nocturnal sec-surge detection algorithm
2024
Overview
The nocturnal blood pressure (BP) surge in seconds (sec-surge) is defined as a brief, acute transient BP elevation over several tens of seconds, triggered by obstructive sleep apnea (OSA) and sympathetic hyperactivity. Sec-surge imposes a significant strain on the cardiovascular system, potentially triggering cardiovascular events. Quantitative evaluation of sec-surge level could be valuable in assessing cardiovascular risks. To accurately measure the detailed sec-surge, including its shape as BP rises and falls, we developed a beat-by-beat (BbB) BP monitoring device using tonometry. In addition, we developed an automatic sec-surge detection algorithm to help identify sec-surge cases in the overnight BbB BP data. The device and algorithm successfully detected sec-surges in patients with OSA. Our results demonstrated that sec-surge was associated with left ventricular hypertrophy and arterial stiffness independently of nocturnal BP level or variability. Sec-surge would be worth monitoring for assessing cardiovascular risks, in addition to nocturnal BP level.
Publisher
Nature Publishing Group,Springer Nature Singapore
Subject
/ Blood Pressure Determination - instrumentation
/ Blood Pressure Determination - methods
/ Blood Pressure Monitoring, Ambulatory - instrumentation
/ Blood Pressure Monitoring, Ambulatory - methods
/ Circadian Rhythm - physiology
/ Humans
/ Hypertension - physiopathology
/ Review
/ Sensors
/ Skin
