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Influence of FreeO2 on Percentage of Time Within Oxygen Saturation Target Using Noninvasive Ventilation (NIV) and Continuous Positive Airway Pressure (CPAP) for Patients Admitted for AECOPD or Bariatric Surgery

RecruitingNAAges 18 Years - anyAllFrançois Lellouche
NCT04136717 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The main objective is to evaluate the FreeO2 device combined with noninvasive respiratory support technique for COPD patients and postoperative bariatric surgery patients. The main hypothesis is that FreeO2 device for oxygen therapy associated with NIV or nasal high flow oxygen therapy (NHFOT) allows to reach better oxygenation and avoid hypoxemia and hyperoxia.

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📋 Eligibility rules (as published)
Inclusion Criteria (AECOPD): * Respiratory acidosis (pH \<= 7.35 and PaCO2 \> 45 mmHg), with or without NIV (last blood gas available during hospitalization) * Oxygen therapy and/or SpO2 \<90% room air (FiO2 \<= 50% or nasal cannula \<= 7 L/min to maintain SpO2 90%) * High flow nasal cannula with flow \<= 30 L/min Inclusion Criteria (Bariatric surgery post-op): * Patients using CPAP before the surgery (obstructive sleep apnea documented). * Patients with obesity hypoventilation syndrome in addition to obstructive sleep apnea can be included. Exclusion Criteria: * Age \< 18 * Pregnancy * Respiratory distress or other clinical situation requiring continuous NIV or CPAP * Glasgow \< 12 or agitation/delirium/dementia (limiting NIV) * Any contraindication to NIV (state requiring immediate endotracheal intubation, pneumothorax, recent esophagus surgery) * Hemodynamic instability (at the beginning of the study) (increasing doses of vasopressors or inotropes) * Refusal to consent to the study 5 patient with AECOPD and 5 patient with bariatric surgery will be included.
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What it tests

  • Washout period
  • NIV - FreeO2
  • Nasal High flow Oxygen therapy - FreeO2
  • CPAP - Oxygen constant flow
  • CPAP - FreeO2
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Where

1 site
Institut universitaire de Cardiologie et de Pneumologie - Université Laval
Québec, Canada
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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