Noncontact Sensors for Vital Signs Measurement: A Narrative Review

04 July 2024 : Review article

Yoo Jin Choo^1ABCDEFG, Gun Woo Lee

^2ABCDEFG, Jun Sung Moon^3ABCDEFG*, Min Cheol Chang^1ABCDEFG

DOI: 10.12659/MSM.944913

Med Sci Monit 2024; 30:e944913

Table 1 Characteristics of included studies.

Study	Participants	Target disorder	Noncontact sensor	Conventional measurement methods	Outcome parameters
Kagiyama et al 2023 []²¹	N=16Median age=71.5 (52.5–74.5) years	Coronavirus disease	Mat-type air pressure sensor (Kaigolog Med: Liquid Design Systems Inc., Tokyo, Japan)		Systolic and diastolic blood pressure, heart rate, peripheral oxygen saturation, body temperature, and respiratory rate
Kim et al 2019 []²²	N=6Gestational age=38.0 (37.0–41.0) weeksAge at measurement=9 (2–29) days	Clinically stable full-term neonates who were admitted to the NICU	Impulse radio ultrawideband radar (X4M06; Xandar Kardian, Delaware, USA)	Impedance pneumography monitor (BSM-6501K; Nihon Kohden, Tokyo, Japan)	Respiratory rate
Sadek et al 2020 []²³	N=10Mean age=38.6±11.87 years	Obstructive sleep apnea	Microbend fiber-optic sensor	Polysomnography	Heart rate and respiratory rate
N – number of participants.