Comparison of a tonometric with an oscillometric blood pressure monitoring device over 24 hours of ambulatory use.
Journal
Blood pressure monitoring
ISSN: 1473-5725
Titre abrégé: Blood Press Monit
Pays: England
ID NLM: 9606438
Informations de publication
Date de publication:
01 Apr 2021
01 Apr 2021
Historique:
pubmed:
21
1
2021
medline:
6
3
2021
entrez:
20
1
2021
Statut:
ppublish
Résumé
Multiple devices capable of measuring ambulatory blood pressure without cuffs have been recently developed and it is required that they offer high-accuracy measurements. The purpose of this prospective study was to compare the performance of a tonometric blood pressure monitor with that of an oscillometric cuff-based device used as a reference in healthy and hypertensive subjects over 24 hours of ambulatory use. Conventional oscillometric cuff-based device (Oscar 2; Sun Tech Medical) was placed in the left arm of 33 subjects, and a watch-type device based on the tonometric method (Bpro; HealthSTATS International, Singapore) was positioned in the right wrist. Both devices were synchronized to measure simultaneously over 24 hours. The difference between the means over 24 hours of the oscillometric and the tonometric devices was -0.9 mmHg for SBP and -4.5 mmHg for DBP; the standard deviations were 14.7 and 12.2 mmHg, respectively. Greater differences in bias and dispersion were observed overnight than during the daytime. The accuracy of the tonometric device for diagnosing hypertension was 75% and for detecting the non-dipper profile, 48%. The test device presented a high disagreement (especially during the night) compared to the oscillometric cuff-based device against which it was initially calibrated. This disagreement resulted in limited accuracy for diagnosing patients with suspected arterial hypertension and detecting non-dipper profiles.
Identifiants
pubmed: 33470646
doi: 10.1097/MBP.0000000000000511
pii: 00126097-202104000-00011
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
149-155Informations de copyright
Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.
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