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One heartbeat instead of two: faster ultrasound may reveal hidden heart pressure

NCT ID NCT07820319

Diagnosis Sponsor: Queen Mary Hospital, Hong Kong Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 15, 2026 · Last updated Sep 16, 2026 · Updated 1 time

Summary

Researchers are testing a single-beat echocardiography technique called TE-e' to estimate left atrial pressure in critically ill patients. The standard method uses two heartbeats, while the new method uses one. The trial compares the two approaches in 50 adults admitted to an intensive care unit who need a routine heart ultrasound. The goal is to see whether the faster single-beat method gives reliable results and can help identify elevated left atrial pressure without an invasive procedure.

What this could mean

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

Active substance
single-beat echocardiographic technique (TE-e')
What this could lead to
If it works, this could give intensive care doctors a faster, non-invasive way to spot high left atrial pressure and guide treatment without inserting a catheter into the heart.
What could go wrong
The trial is small and early, so the single-beat method may not match the standard method closely enough. It also cannot be used in patients with atrial fibrillation or poor ultrasound windows, which limits how widely it could apply.

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 50 people

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

Started

Jul 2026

Expected to finish

Jun 2027

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 Adult Intensive Care Unit requiring a TTE

Ages

18 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: * Adult patients ≥18 years admitted to the QMH Adult Intensive Care Unit (AICU) * Requiring a transthoracic echocardiogram (TTE) as part of routine clinical care * TE-e' obtainable by both the conventional and the novel method Exclusion Criteria: * Patients \<18 years of age * Patients in atrial fibrillation * Patients with a poor TTE acoustic window * Patients in whom TE-e' is technically difficult to obtain or interpret by either method

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Conditions

The condition(s) this trial relates to.

Critical Illness Ventricular Dysfunction, Left

As listed by the trial registrant

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

Critical illness Echocardiography Elevated left atrial pressure Left ventricular diastolic dysfunction

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

  • Adult Intensive Care Unit, Queen Mary Hospital

    RECRUITING

    Hong Kong, Hong Kong

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