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Feasibility and measurement stability of smartwatch-based cuffless blood pressure monitoring: A real-world prospective observational study
- Title
- Feasibility and measurement stability of smartwatch-based cuffless blood pressure monitoring: A real-world prospective observational study
- Authors
- Han M.; Lee Y.-R.; Park T.; Ihm S.-H.; Pyun W.B.; Burkard T.; Cho M.-C.; Camafort M.; Yang E.; Stergiou G.S.; Lee H.Y.; Seo J.-M.
- Ewha Authors
- 편욱범
- SCOPUS Author ID
- 편욱범
- Issue Date
- 2023
- Journal Title
- Hypertension Research
- ISSN
- 0916-9636
- Citation
- Hypertension Research vol. 46, no. 4, pp. 922 - 931
- Keywords
- Blood Pressure; Cuffless Blood Pressure Measurement; Smartwatch; Wearable Device
- Publisher
- Springer Nature
- Indexed
- SCIE; SCOPUS
- Document Type
- Article
- Abstract
- 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. [Figure not available: see fulltext.] © 2023, The Author(s), under exclusive licence to The Japanese Society of Hypertension.
- DOI
- 10.1038/s41440-023-01215-z
- Appears in Collections:
- 의과대학 > 의학과 > Journal papers
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