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Trainees vs. X-Ray: can bedside ultrasound spot a collapsed lung?

NCT ID NCT07018856

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study explores whether medical trainees (residents and fellows) can learn to use lung ultrasound to detect a collapsed lung (pneumothorax) after heart surgery. About 120 adults will have their lungs checked by a trainee with ultrasound and also get a standard chest X-ray after chest tube removal. The goal is to see if trainee-performed ultrasound is accurate and practical enough to plan a larger study.

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 show that bedside lung ultrasound by trainees is a safe and effective alternative to chest X-ray, potentially changing post-surgery care.
What could go wrong
This is a small feasibility study (120 participants) focused on training and procedures, not on proving clinical outcomes. Results may not apply to all hospitals or 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.

Participants

About 120 people

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

Started

Sep 2025

Expected to finish

Feb 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

This study will enroll adult patients (18 years or older) who have undergone cardiac surgery and are scheduled for chest and/or mediastinal chest tube removal in the cardiovascular intensive care unit (CVICU). Participants will be recruited from three high-volume cardiac centers in Ontario, Canada: Sunnybrook Health Sciences Centre, Toronto General Hospital, and London Health Sciences Centre. Patients must be able to safely undergo both lung ultrasound and chest X-ray after chest tube removal. Individuals with severe lung disease or who are mechanically ventilated at the time of eligibility screening will be excluded.

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 years or older * Undergoing cardiac surgery * Scheduled for chest and/or mediastinal chest tube removal in the cardiovascular intensive care unit (CVICU) Exclusion Criteria: * Severe chronic lung disease that may impair lung ultrasound interpretation, including: * Subcutaneous emphysema * COPD or emphysema with FEV₁ \< 50% predicted * Interstitial lung disease with FEV₁ \< 75% predicted * Documented history of pneumothorax prior to chest tube removal requiring intervention * Mechanical ventilation at the time of eligibility screening * Inability to undergo lung ultrasound or chest X-ray (e.g., due to hemodynamic instability or positioning limitations)

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Conditions

The condition(s) this trial relates to.

pneumothorax Postoperative Complications

As listed by the trial registrant

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

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

  • Sunnybrook Health Sciences Centre

    RECRUITING

    Toronto, Ontario, M4N 3M5, Canada

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