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ER ultrasound may predict who needs a ventilator

NCT ID NCT02273687

Diagnosis Sponsor: Centre Hospitalier Universitaire de Nīmes 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at whether a quick diaphragm ultrasound in the emergency room can predict which patients with severe breathing problems will need a ventilator within the first four hours. Researchers measured diaphragm movement in 104 adults upon arrival and again four hours later. The goal is to help doctors make faster, more accurate decisions about breathing support.

What this could mean

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

Active substance
ultrasound device (Vivid S6 GE Ultrasound)
What this could lead to
If successful, this could help doctors quickly identify which patients need breathing support, potentially speeding up care and avoiding unnecessary ventilation.
What could go wrong
This is a small, completed observational study, not a treatment trial. The ultrasound measure may not be accurate enough to replace standard assessments, 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.

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

104 people

The number who actually took part.

Started

Oct 2014

Finished

Sep 2017

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

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: * The patient has given informed consent (and signed the consent form) or, in case of an emergency situation, an investigator has committed to obtaining the consent of the patient as soon as his/her condition permits * Patient affiliated with or beneficiary of a health insurance plan * Acute Respiratory Distress (DRA) defined by: (1) respiratory rate \> 25 and/or signs of struggle and hypoxia AND (2) SpO2 values \< 90% and/or \[pH \< 7.35 and pCO2 \> 6 kPa (45 mm Hg)\] * Breathing spontaneously (no ventilation) Exclusion Criteria: * Patient currently participating in or having participated in another interventional study in the previous three months, or patient in an exclusion period determined by a previous study * Patient under judicial protection or any kind of guardianship * Refusal to sign the consent * Patient pregnant, parturient, or lactating * Neurological or neuromuscular disease modifying the operation of the diaphragm without any decompensation (Polyneuropathy, Lou Gehrig's disease, Myasthenia ...) * Patient who received mechanical ventilation at home * Patient who received treatment by mechanical ventilation during the pre-hospitalization care phase * Patient admitted with respiratory failure requiring immediate installation of a mechanical ventilation and thus not allowing the performance of two ultrasound measurements * Patient suffering from a pneumothorax

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Conditions

The condition(s) this trial relates to.

acute respiratory distress syndrome adult acute respiratory distress syndrome Emergencies

As listed by the trial registrant

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

Respiratory distress syndrome, adult

Contacts and locations

Locations

  • CH de Perpignan - Hôpital Saint Jean

    Perpignan, 66046, France

  • CHRU de Nîmes - Hôpital Universitaire Carémeau

    Nîmes, 30029, France

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