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The aim of the study is to perform an experimental validation of the long-term accuracy of blood pressure measurement using the Samsung Galaxy Smartwatch
Blood pressure is one of the basic vital signs monitored and is one of the most important indicators of a patient's health status. Cardiovascular disease is one of the leading causes of death worldwide. One of the major risk factors for cardiovascular disease is hypertension, which is globally attributed to one third of deaths in the world population. To improve the prevention of hypertension, self-monitoring of blood pressure is increasingly recommended. This project involves an experimental validation of the long-term accuracy of blood pressure measurement using the Samsung Galaxy Smartwatch compared to a medical grade digital tonometer with a cuff placed on the arm.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Long-term Blood pressure and Heart rate monitoring with reference digital tonometer and smartwatch | Experimental | Measurement of a non-invasive Blood pressure and Heart rate using a reference medical grade digital tonometer Omron and a smartwatch Samsung Galaxy Watch during 20-40 days every morning and evening. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Long-term non-invasive Blood pressure monitoring | Other | All measurements during the experiment include only non-invasive Blood pressure and Heart rate measurements. Measurements will be taken using a smartwatch attached to the wrist and a digital tonometer with a cuff placed on the other arm. Paired readings will be compared. |
| Measure | Description | Time Frame |
|---|---|---|
| Blood pressure agreement between smartwatch and digital tonometer | The agreement of Blood pressure measurements between smartwatch and medical grade reference digital tonometer | 20-40 days |
| Measure | Description | Time Frame |
|---|---|---|
| Heart rate agreement between smartwatch and digital tonometer | The agreement of Heart rate measurements between smartwatch and medical grade reference digital tonometer | 20-40 days |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jakub Rafl | Czech Technical University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Czech Technical University in Prague | Kladno | 27201 | Czechia | |||
| Faculty of biomedical Engineering, Czech Technical University in Prague |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 41602947 | Derived | Walzel S, Sebestova H, Rafl-Huttova V, Rozanek M, Rafl J. Long-term accuracy and stability of blood pressure measurements from a smartwatch: Prospective validation study. Digit Health. 2026 Jan 22;12:20552076261415923. doi: 10.1177/20552076261415923. eCollection 2026 Jan-Dec. |
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The measured data will be shared publicly in the data repository on web page: https://ventilation.fbmi.cvut.cz/data/
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Unlimited from the time of processing complete measured data
Publicly available to everyone
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| ID | Term |
|---|---|
| D006973 | Hypertension |
| ID | Term |
|---|---|
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
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Interventional prospective single-arm study
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| Kladno |
| 27201 |
| Czechia |