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A Trial Comparing High-Flow Nasal Cannula Versus Noninvasive Ventilation on Reintubation and Post-Extubation Respiratory Failure in High-Risk Patients With Systolic Heart Failure

A Prospective Randomized Controlled Trial Comparing High-Flow Nasal Cannula Versus Noninvasive Ventilation on Reintubation and Post-Extubation Respiratory Failure in High-Risk Patients With Systolic Heart Failure

Who can join

Ages 18 and older · All sexes

Inclusion Criteria:

* The patient is a male or non-pregnant female greater than or equal to 18 years of age
* The patient is ventilated for greater than 24 hours
* The patient has a systolic left ventricular dysfunction defined as an ejection fraction less than or equal to 40%
* The patient, or legally authorized representative, has been informed of the nature of the study, agrees to its provisions, and has provided written informed consent, approved by the appropriate Institutional Review Board (IRB) or Ethics Committee (EC).

Exclusion Criteria:

* Patients actively being treated for a COPD exacerbation or known hypercapnia (PaCO2\>45) on last Arterial Blood Gas (ABG)
* Patients agitated or uncooperative state
* Patients with do-not-resuscitate orders
* Patients presenting with tracheostomies or anatomical abnormalities interfering with mask fit
* Patients are prisoners
* Patient self-extubates
* Patients with pre-existing NIV prescription (e.g., obstructive sleep apnea, neuromuscular disorders, advanced COPD)

About the study

This prospective, open-label randomized controlled pilot trial will enroll participants at the Yale New Haven Hospital. Patients with systolic heart failure, defined as an ejection fraction ≤40%, who require invasive mechanical ventilation (IMV) and are admitted to either the cardiac intensive care unit (CICU) or medical ICU (MICU) will be included.

Subjects meeting eligibility criteria will be randomized 1:1 to one of the two treatment groups:

* Intervention: Extubation to high-flow nasal cannula (HFNC) * Control: Extubation to non-invasive ventilation (NIV)

What is being tested

• Airvo 3 (device)

Sponsor: Yale University · Participants: 50 · Started: Oct 4, 2025

Contact the study team

• Elliott Miller, MD, MS · Phone: 203-737-6390

Official record on ClinicalTrials.gov — NCT06671015

Locations in the U.S.

Conditions

• Systolic Heart Failure
• Respiratory Failure

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.