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Evaluating the Clinical Effectiveness and Patient Experience of a Large Language Model-Based Digital Tool for
Alan Jelic1, Igor Sesto1, Luka Rotkvic1
1Magdalena Clinic for Cardiovascular Diseases, Zagreb, Croatia.
JMIR Mhealth and Uhealth
|November 3, 2025
Summary
Digital tools effectively manage hypertension, significantly reducing blood pressure and improving user satisfaction. High retention rates show long-term engagement potential for this cardiovascular condition.
Area of Science:
- Digital Health
- Cardiovascular Medicine
- Health Informatics
Background:
- Hypertension is a prevalent global cardiovascular condition requiring comprehensive management.
- Traditional hypertension management faces adherence challenges.
- Digital health tools offer remote monitoring and real-time support as promising alternatives.
Purpose of the Study:
- To assess the effectiveness of a digital health tool in managing hypertension.
- To understand user experiences and satisfaction with the tool.
- To determine the tool's potential for sustained engagement and blood pressure reduction.
Main Methods:
- A cohort of 5136 participants used a digital hypertension management tool.
- The tool provided continuous blood pressure monitoring, real-time feedback, and personalized recommendations.
- Data collection included blood pressure values, retention rates, and an online user satisfaction survey.
Main Results:
- Significant reductions in blood pressure were observed among users.
- A positive correlation exists between duration of use and blood pressure reduction.
- High retention rates (50.3% at 1 year) and user satisfaction were reported, with users noting ease of use and reduced anxiety.
Conclusions:
- Digital health tools can effectively engage users in long-term hypertension management.
- User-centered design is crucial for effective digital health interventions.
- These tools show potential as a valuable complement to traditional hypertension care.
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