Feasibility and measurement stability of smartwatch-based cuffless blood pressure monitoring: A real-world prospective observational study.
Blood Pressure.
Cuffless Blood Pressure Measurement
Smartwatch
Wearable Device
Journal
Hypertension research : official journal of the Japanese Society of Hypertension
ISSN: 1348-4214
Titre abrégé: Hypertens Res
Pays: England
ID NLM: 9307690
Informations de publication
Date de publication:
04 2023
04 2023
Historique:
received:
05
11
2022
accepted:
20
01
2023
revised:
04
01
2023
medline:
6
4
2023
pubmed:
14
2
2023
entrez:
13
2
2023
Statut:
ppublish
Résumé
Cuffless wearable devices are currently being developed for long-term monitoring of blood pressure (BP) in patients with hypertension and in apparently healthy people. This study evaluated the feasibility and measurement stability of smartwatch-based cuffless BP monitoring in real-world conditions. Users of the first smartwatch-based cuffless BP monitor approved in Korea (Samsung Galaxy Watch) were invited to upload their data from using the device for 4 weeks post calibration. A total of 760 participants (mean age 43.7 ± 11.9, 80.3% men) provided 35,797 BP readings (average monitoring 22 ± 4 days [SD]; average readings 47 ± 42 per participant [median 36]). Each participant obtained 1.5 ± 1.3 readings/day and 19.7% of the participants obtained measurements every day. BP showed considerable variability, mainly depending on the day and time of the measurement. There was a trend towards higher BP levels on Mondays than on other days of the week and on workdays than in weekends. BP readings taken between 00:00 and 04:00 tended to be the lowest, whereas those between 12:00 and 16:00 the highest. The average pre-post calibration error for systolic BP (difference in 7-day BP before and after calibration), was 6.8 ± 5.6 mmHg, and was increased with higher systolic BP levels before calibration. Smartwatch-based cuffless BP monitoring is feasible for out-of-office monitoring in the real-world setting. The stability of BP measurement post calibration and the standardization and optimal time interval for recalibration need further investigation.
Identifiants
pubmed: 36781979
doi: 10.1038/s41440-023-01215-z
pii: 10.1038/s41440-023-01215-z
doi:
Types de publication
Observational Study
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
922-931Commentaires et corrections
Type : CommentIn
Informations de copyright
© 2023. The Author(s), under exclusive licence to The Japanese Society of Hypertension.
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