Can a simple oxygen mask help failing hearts?

NCT ID NCT04471129

Recruiting now Symptom relief Sponsor: University Hospital, Rouen Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether high-flow oxygen therapy can improve heart function in people with chronic heart failure who have recently had heart surgery. Researchers will compare it to non-invasive ventilation (a breathing machine) in 30 adults. The goal is to see if the oxygen therapy lowers pressure in the heart's chambers, which could ease the heart's workload.

What this could mean

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

Active substance: High-flow oxygen therapy and non-invasive ventilation
What this could lead to: If it works, this could point toward a gentler breathing support option for heart failure patients after surgery, potentially reducing heart strain.
What could go wrong: This is a very small, early-stage study with only 30 participants, so results may not apply to all heart failure patients. The effects are uncertain and may not lead to a new treatment.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

congestive heart failure heart failure

As listed by the trial registrant

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

CHRONIC HEART FAILURE

Contacts and locations

Locations

Chu Rouen
RECRUITING

Rouen, 76031, France

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