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Clinical Evidence in Hypertension

01. Algorithm Test

Comparison with the arterial line (A-line) method

Published in Naure Scientific Reports

2023 May 27; 13(1):8605

02. Static Test

(ISO 81060-2 Static Test)

Comparison with the auscultatory method under static conditions

Published in Journal of Korean Medical Science | 2024 Jan 15; 39:e18

03. Awake/Asleep Test

Comparison with ambulatory blood pressure monitoring (ABPM)

Published in Korean Circulation Journal 2024 Mar; 54(3):e15

Event-level nocturnal blood pressure dynamics in obstructive sleep apnea assessed by cuffless monitoring​

Woo-Seok Ha | Soomi Cho | Bo Kyu Choi | Min Kyung Chu  | Kyung Min Kim | Won-Joo Kim​

2026.04​

GO↗

Diagnostic performance of single-lead electrocardiograms from a smartwatch and a smartring for cardiac arrhythmia detection

Andre Briosa e Gala, MD | Alexander James Sharp, MBBS, BSc | David Schramm, MBiochem | Michael Timothy Brian Pope, PhD BM | Milena Leo, PhD | Richard Varini, MBBCh | Abhirup Banerjee, PhD | Kyaw Zaw Win, MD | Manish Kalla, DPhil | John Paisey, DM | Nick Curzen, PhD | Timothy Rider Betts, DM

2025.06

GO↗

Ventricular arrhythmia detection with a wearable ring-type photoplethysmography sensor: A feasibility study

Nicole J. van Steijn, MD | Shari Pepplinkhuizen, MD | Pieter G. Postema, MD, PhD | Reinoud E. Knops, MD, PhD | Michiel M. Winter, MD, PhD

2025.06

GO↗

Detection of Atrial Fibrillation Using a Ring-Type Wearable Device (CardioTracker) and Deep Learning Analysis of Photoplethysmography Signals: Prospective Observational Proof-of-Concept Study

Soonil Kwon | Joonki Hong | Eue-Keun Choi | Byunghwan Lee | Changhyun Baik | Euijae Lee | Eui-Rim Jeong | Bon-Kwon Koo | Seil Oh | Yung Yi​

2020.05

GO↗

Deep Learning Approaches to Detect Atrial Fibrillation Using Photoplethysmographic Signals: Algorithms Development Study

Soonil Kwon | Joonki Hong | Eue-Keun Choi |  Euijae Lee | David Earl Hostallero | ​Wan Ju Kang | Byunghwan Lee | Eui-Rim Jeong | Bon-Kwon Koo | Seil Oh | Yung Yi​

2019.06

GO↗

Additional Clinical Evidence

2026 Korean Society of Hypertension(KSH) Guidelines Update

"Validated cuffless devices may be considered for out-of-office blood pressure measurement." (Class Iib)

Proven Accuracy

Clinically validated in accordance with internationally recognized standards.

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ISO International Standard Validation

Clinical validation completed in accordance with ISO 81060-2.

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Accurate Systolic & Diastolic Blood Pressure Measurement

Measurement accuracy within ±5.0 mmHg (SD ≤8 mmHg).

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Real-World Validation

Validated across diverse real-world environments.

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