Contact-free assessments of respiratory rate and volume with load cells under the bed legs in ventilated patients: a prospective exploratory observational study.
centroid
load cell
respiration
respiratory rate
tidal volume
Journal
Journal of applied physiology (Bethesda, Md. : 1985)
ISSN: 1522-1601
Titre abrégé: J Appl Physiol (1985)
Pays: United States
ID NLM: 8502536
Informations de publication
Date de publication:
01 06 2023
01 06 2023
Historique:
medline:
22
5
2023
pubmed:
20
4
2023
entrez:
20
04
2023
Statut:
ppublish
Résumé
Development of reliable noncontact unrestrained respiratory monitoring is capable of augmenting the safety of hospitalized patients in the recovery phase. We previously discovered respiratory-related centroid shifts along the long axis of the bed with load cells under the bed legs [bed sensor system (BSS)]. This prospective exploratory observational study examined whether noncontact measurements of respiratory-related tidal centroid shift amplitude (TA-BSS; primary variable) and respiratory rate (RR-BSS; secondary variable) were correlated with tidal volume (TV-PN) and respiratory rate (RR-PN), respectively, measured by pneumotachograph in 14 ICU patients under mechanical ventilation. Among the 10-min average data automatically obtained for a 48-h period, 14 data samples were randomly selected from each patient. Successfully and evenly selected 196 data points for each variable were used for the purpose of this study. A good agreement between TA-BSS and TV-PN (Pearson's
Identifiants
pubmed: 37078503
doi: 10.1152/japplphysiol.00742.2022
pmc: PMC10202472
doi:
Types de publication
Observational Study
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1341-1348Références
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