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Heart rhythm watch: do ICU patients face hidden AF risk after leaving hospital?

NCT ID NCT05229211

Knowledge-focused Sponsor: University of Oxford Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study follows 100 ICU patients who developed new atrial fibrillation (AF) during their stay. Using a chest-worn heart monitor, researchers track whether AF returns after leaving the ICU and up to 3 months after hospital discharge. The goal is to understand who might need long-term monitoring or treatment to prevent strokes and heart failure.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Cardiac monitoring patch (VitalConnect)
What this could lead to
If successful, this study could show which ICU patients need follow-up care to prevent strokes or heart failure from returning atrial fibrillation.
What could go wrong
This is a small observational study (100 people) that only monitors, not treats. It may not prove that monitoring reduces risks or applies to all ICU 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

About 100 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2022

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

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

Patients admitted to an intensive care unit for more than twenty four hours who were not known to have atrial fibrillation prior to admission.

Ages

16 years and older

Sex

Anyone

Show 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: * Willing and able to give informed consent for participation in the study, or favourable consultee advice for adults lacking capacity * Male or Female, * aged 16 years or above. * Admitted to intensive care for \>24 hours * New onset atrial fibrillation as confirmed by 12 lead ECG- Exclusion Criteria: * History of atrial fibrillation * Unable to undergo cardiac monitoring * Previously included in the study * Not anticipated by treating consultant to survive to ICU discharge (withdrawal or limitation of medical treatment at time of screening) * Contraindication to anticoagulation * Unable to wear the device for the prescribed monitoring period * Implanted neurostimulator, as this may disrupt the ECG recording

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Conditions

The condition(s) this trial relates to.

atrial fibrillation Critical Illness

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Atrial fibrillation Atrial fibrillation new onset New onset atrial fibrillation

Contacts and locations

Locations

  • Oxford University Hospitals Trust

    Oxford, Oxfordshire, OX3 9DU, United Kingdom

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