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Can two doctors get the same ultrasound reading? small study tests reliability in breathing emergencies

NCT ID NCT01743105

Knowledge-focused Sponsor: Centre Hospitalier Universitaire de Nīmes Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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
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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This status has not been confirmed recently, so it may be out of date.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 two different doctors can get the same diaphragm measurements using ultrasound in patients with severe breathing problems in the emergency room. 26 adults with acute respiratory distress were each scanned twice by two separate investigators. The goal was to see if the technique is reproducible, not to test any treatment.

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

26 people

The number who actually took part.

Start date

Aug 2013

Finished

Jan 2014

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 must have given his/her informed and signed consent * The patient must be insured or beneficiary of a health insurance plan * The patient has acute respiratory distress defined by a respiratory rate \> 25, and / or signs of struggle and hypoxia, oxygen saturation (SpO2) \<90% and / or pH \<7.35 and carbon dioxide partial pressure (pCO2) \> 6 kPa (45 mm Hg) * The patient breathes spontaneously (no respirator) Exclusion Criteria: * The patient is participating in another study * The patient is in an exclusion period determined by a previous study * The patient is under judicial protection, under tutorship or curatorship * The patient or his/her representative refuses to sign the consent * It is impossible to correctly inform the patient, or to correctly inform his/her representative * The patient is pregnant, parturient, or breastfeeding * The patient has a neurological or neuromuscular disease that modifies diaphragm function/movement; this does not include cases of decompensation (polyradiculoneuropathy, Lou Gehrig's disease, Myasthenia ...). * Patient admitted with respiratory support treatment in progress * Patient admitted with respiratory failure requiring immediate implementation of mechanical ventilation, thus preventing ultrasound measurements

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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

  • CHU de Nîmes - Hôpital Universitaire Carémeau

    Nîmes, Gard, 30029, France

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