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November 22, 2005IEEE Transactions on Biomedical Engineering

Noninvasive Measurement of Heartbeat, Respiration, Snoring and Body Movements of a Subject in Bed via a Pneumatic Method

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Key result

A noninvasive pneumatics-based system reliably measured heart rates across various conditions, yielding signal-to-noise ratios ranging from 15.9 to 23.5 dB.

Why the study?

Can a noninvasive pneumatics-based system reliably measure heartbeat, respiration, and body movements in subjects in bed?

Population

13 subjects

Design

Other

Authors

KWK. WatanabeHosei UniversityTWTakashi WatanabeTohoku UniversityHWHideo WatanabeSt. Catherine University

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Implication

May enable contactless in-bed monitoring; leaves open prospective clinical validation before adoption.

Structured PICO

Can a noninvasive pneumatics-based system reliably measure heartbeat, respiration, and body movements in subjects in bed?

P
Population
13 subjects evaluated using a noninvasive pneumatics-based system to measure vital signs in bed.
E
Exposure
Noninvasive pneumatics-based system (thin, air-sealed cushion placed under the bed mattress with a pressure sensor)
O
Outcome
Measurement of heartbeat, respiration, apnea, snoring, and body movements, and signal-to-noise (S/N) ratio for heart rate measurementsurrogate

A newly developed noninvasive pneumatic cushion system can reliably measure heart rate and respiration in bed without attaching sensors to the body.

Cite This Study

Watanabe et al. (2005) studied this question. Noninvasive pneumatics-based system was evaluated on Signal-to-noise (S/N) ratio for heart rate measurement. A noninvasive pneumatics-based system reliably measured heart rates across various conditions, yielding signal-to-noise ratios ranging from 15.9 to 23.5 dB.

synapsesocial.com/papers/6a1fd46d6733affd65117b1ehttps://doi.org/10.1109/tbme.2005.857637
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