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Lung ultrasound may replace invasive monitors for fluid management in surgery

NCT ID NCT03502460

Knowledge-focused Sponsor: Centre Hospitalier Universitaire, Amiens 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested whether lung ultrasound can help doctors give the right amount of fluid during surgery. 200 adults having various surgeries were monitored with both lung ultrasound and an esophageal Doppler. The goal was to see if a change in ultrasound pattern (from A to B lines) matches when the body no longer needs more fluid. If it works, this could offer a simpler, non-invasive way to manage fluids in the operating room.

What this could mean

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

What this could lead to
If successful, this could provide a non-invasive way to guide fluid therapy during surgery, reducing the need for invasive monitoring.
What could go wrong
This is a completed observational study, not a treatment trial. The findings may not change practice directly, and the technique requires further validation in broader settings.

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

200 people

The number who actually took part.

Started

May 2018

Finished

Oct 2019

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: * Age ≥ 18 ans * inclusion criteria: * Patient having a digestive, urological, gynecological, vascular or orthopedic surgery * Haemodynamic optimisation requiring titration of the fluid administration * Informed consent signed Exclusion Criteria: * Non-consent * Chronic pulmonary pathology: COPD with pulmonary emphysema, pulmonary fibrosis

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As listed by the trial registrant

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

Surgery

Contacts and locations

Locations

  • CHU Amiens

    Amiens, 80054, France

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