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DEL Optical blood pressure measurement: Accuracy of PPG versus cuff

Piotr Kudela • 20 May 2026 • 0 min read
DEL Optical blood pressure measurement: Accuracy of PPG versus cuff
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Piotr Kudela

About the author

Piotr Kudela

Health Content Editor, Hilo by Aktiia

Piotr Kudela is Health Content Editor at Hilo by Aktiia. Since joining Aktiia in July 2022, he has worked on health content focused on blood pressure monitoring, cardiovascular health and patient education. He works with medical reviewers, product specialists and internal experts to help make articles clear, accurate and useful for readers.
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  1. Hilo users with high or very high blood pressure were able to reduce their systolic readings by up to 7 mmHg after just 6 months of monitoring with Hilo.
  2. Hilo Bracelet G1 has been CE-marked under the Medical Device Regulation (EU)2017/745 as a class IIa medical device.
  3. Average weekly number of cuff readings according to Hilo survey of 1,337 blood pressure cuff users​. For Hilo, actual number of measurements displayed per week may vary, as the Hilo App will discard readings with insufficient signal quality. Successful readings are often averaged together for easier viewing in the Hilo App.
  4. Frequent errors in using BP cuffs can be as a result of body or cuff positioning, activity level before or during measurement, and many other factors. Hilo will not display readings when non-optimal conditions are detected, and accuracy has been demonstrated via multiple clinical trials.
  5. Rated IP68 Water proof. The Hilo Band can be worn when dishwashing, splashing, showering or swimming. However, it cannot be used for diving or snorkeling.
  6. In total 4 clinical trials were required during the design, development and validation of Hilo technology. Of these, 2 clinical trials supported the validation of the Hilo device for CE marking purposes.