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Heart surgery oxygen trick may keep patients off ventilators

NCT ID NCT04782817

Disease control Sponsor: Vanderbilt University Medical Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether using a high-flow nasal cannula (a device that delivers warm, moist oxygen through the nose) right after heart surgery could lower the chance of needing a breathing tube again within 48 hours. Over 3,500 adults who had heart surgery took part. The goal was to see if this simple oxygen method works better than usual care for preventing breathing problems.

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

3,568 people

The number who actually took part.

Started

Nov 2021

Finished

Apr 2026

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 years * Undergoing cardiac surgery, defined as a documented surgical service of "cardiac surgery" in the electronic health record, performed in the main operating rooms at Vanderbilt University Medical Center * Admitted to the cardiovascular intensive care unit postoperatively with an endotracheal tube in place and mechanically ventilated * Surgery duration (documented time between "Anesthesia start" and "Anesthesia stop" in the EHR) of at least 180 minutes * Received an order to be extubated by a treating provider o Patients who meet all other criteria but do not receive an order to extubate will be randomized but not enrolled Exclusion Criteria • Patient does not meet inclusion criteria

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As listed by the trial registrant

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

Cardiovascular surgical procedure Intubation

Contacts and locations

Locations

  • Vanderbilt University Medical Center

    Nashville, Tennessee, 37212, United States

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