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AI reads heart rhythms to predict surgery risks — could it replace unnecessary tests?

NCT ID NCT07774689

Diagnosis Sponsor: Seoul National University Bundang Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 19, 2026 · Last updated Aug 20, 2026 · Updated 1 time

Summary

This trial tests whether an AI-enhanced ECG (AI-ECG) can safely guide heart risk checks before elective general surgery. About 3,200 adults will be randomly assigned to either AI-guided assessment or usual care. The goal is to see if AI-ECG can prevent major heart complications within 30 days after surgery while reducing unnecessary cardiac tests and costs.

What this could mean

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

Active substance
AI-enhanced ECG analysis (ECG Buddy) used to guide preoperative cardiovascular risk assessment
What this could lead to
If it works, AI-ECG could make preoperative heart checks safer and more efficient, reducing unnecessary tests and costs while protecting patients from complications.
What could go wrong
The AI might not be accurate enough in all patients, and the trial's results may not apply to everyone. It's a single study, so more research would be needed before widespread use.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 3,200 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

May 2029

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.

Ages

20 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults aged 20 years or older * Patients scheduled for elective (non-emergent) general surgery * Willing and able to provide voluntary written informed consent Exclusion Criteria: * Emergency surgery * Surgery under local anesthesia

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Conditions

The condition(s) this trial relates to.

Postoperative Complications

As listed by the trial registrant

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

Perioperative cardiovascular risk Postoperative complications (cardiopulmonary) Preoperative care

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Seoul National University Bundang Hospital

    Seongnam-si, Gyeonggido, 13620, South Korea

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