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A noncontact vital sign sensor demonstrating a strong correlation with an electrocardiogram electrode and a CO₂ sensor

English (英語)

Scientific Reports

15(1)

17269

Nature Portfolio

2025-05-19

2025-06-09

Accurate assessment of vital signs is important for reducing mortality. The aim of this study was to validate the effectiveness and safety of noncontact vital sign sensors. Interference tests were conducted with a noncontact vital sign sensor and medical devices. Inpatients’ heart and respiratory rates were monitored via this sensor, and the measurements of this sensor were compared with those of reference medical equipment. Noncontact vital sign sensors and medical devices did not interfere with each other. A total of 21 patients (10 adults and 11 children, including 1 baby) were analysed. For all patients, the correlation coefficients for the HR and RR were 0.86 and 0.96, respectively. In adult patients, the correlation coefficients for the HR and RR were 0.75 and 0.96, respectively. In paediatric patients, the correlation coefficients for the HR and RR were 0.82 and 0.94, respectively. No effects of noncontact vital sign sensors on patients, surrounding patients or medical equipment were observed. Noncontact vital sign sensors are accurate and safe.

Respiratory rate

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