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Apple watch AI could spot hidden heart trouble
NCT ID NCT07619196
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether an Apple Watch, combined with artificial intelligence, can detect elevated pressures inside the heart. Researchers compared the watch's readings to standard echocardiograms in 200 patients. The goal was to see if this wearable device could offer a simpler way to screen for heart problems.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Apple Watch with artificial intelligence algorithm
- What this could lead to
- If successful, this could offer a simpler, more accessible way to check for heart pressure problems without needing a full echocardiogram.
- What could go wrong
- This is a small, completed observational study, not a treatment trial. The AI may not be as accurate as standard methods, and results may not apply to all patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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200 people
The number who actually took part.
- Started
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Jul 2024
- Finished
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Apr 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
In this trial, 200 patients will be recruited at the Jacques Cartier private hospital, Massy (France).
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Patient aged 18 years or older, capable of providing informed consent and wishing to participate in the clinical investigation 2. Patient referred outpatient for a conventional echocardiogram 3. Patient hospitalized in a medical or surgical unit, including the cardiac intensive care unit and the cardiac surgery postoperative unit, and referred for a conventional echocardiogram 4. Emergency department patient referred for a conventional echocardiogram 5. Patient who has read the information leaflet and given their written consent to participate by dating and signing the informed consent form before any procedure related to the clinical investigation 6. Patient covered by a social security scheme Exclusion Criteria: 1. Patient with complex congenital heart disease 2. Heart transplant recipient 3. Patient with a history of mitral valve surgery (mechanical valve, bioprosthesis, annuloplasty) 4. Patient with a pacemaker/defibrillator 5. Patient with significant degenerative mitral annular calcification (MAC) 6. Subject related to the investigator or any other staff member directly involved in the clinical investigation 7. Patient unable to give consent, minor patient, or legally protected adult patient
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Hôpital Privé Jacques Cartier, Institut Cardiovasculaire Paris Sud
Massy, 91300, France