Key result
A wearable sensor patch system integrating flexible piezoresistive and epidermal ECG sensors enabled cuffless blood pressure measurement with ultralow power consumption (3 nW).
Why the study?
Does a wearable sensor patch system integrating FPS and ECG sensors enable low-power, real-time cuffless blood pressure measurement?
Does a wearable sensor patch system integrating FPS and ECG sensors enable low-power, real-time cuffless blood pressure measurement?
A novel wearable sensor patch integrating piezoresistive and ECG sensors enables ultralow power (3 nW) cuffless beat-to-beat blood pressure monitoring.
Advances cuffless BP monitoring technology; leaves open clinical validation before practice adoption.
Noninvasive and real‐time cuffless blood pressure (BP) measurement realizes the idea of unobtrusive and continuous BP monitoring which is essential for diagnosis and prevention of cardiovascular diseases associated with hypertension. In this paper, a wearable sensor patch system that integrates flexible piezoresistive sensor (FPS) and epidermal electrocardiogram (ECG) sensors for cuffless BP measurement is presented. By developing parametric models on the FPS sensing mechanism and optimizing operational conditions, a highly stable epidermal pulse monitoring method is established and beat‐to‐beat BP measurement from the ECG and epidermal pulse signals is demonstrated. In particular, this study highlights the compromise between sensor sensitivity and signal stability. As compared with the current optical‐based cuffless BP measurement devices, the sensing patch requires much lower power consumption (3 nW) and is capable of detecting subtle physiological signal variations, e.g., pre and postexercises, thus providing a promising solution for low‐power, real‐time, and home‐based BP monitoring.
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Luo et al. (2015) studied Hypertension. Wearable sensor patch system integrating flexible piezoresistive and epidermal ECG sensors vs. Optical-based cuffless BP measurement devices was evaluated on Power consumption and detection of physiological signal variations. A wearable sensor patch system integrating flexible piezoresistive and epidermal ECG sensors enabled cuffless blood pressure measurement with ultralow power consumption (3 nW).
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