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Influence of Flow Rate Change on CO2 Levels During High Flow Nasal Ventilation (HFNV) in Preterm Infants.

RecruitingNAAges any - anyAllRambam Health Care Campus
NCT06622902 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Background Preterm infants often need respiratory support. HFNV is a non-invasive method with benefits over CPAP, such as reduced nasal trauma and improved feeding. Aim Study the impact of low (2 LPM) vs. high (6 LPM) HFNV flow rates on CO2 levels in preterm infants. Methods Design: Prospective, crossover observational study. Participants: Preterm newborns (24-33.6 weeks' gestation) on HFNV. Procedure: Randomized flow rate adjustments, monitoring tcCO2 and other respiratory parameters over three hours. Outcomes Primary: Change in tcCO2. Secondary: Study terminations due to unsafe CO2 levels and changes in other respiratory metrics. Statistical Analysis Sample size: 45 infants. Analysis: Paired and unpaired t-tests for comparison within and between groups.

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📋 Eligibility rules (as published)
Inclusion criteria: * Gestational age 240 to 336. * At least 6 hours of stabilized HFNP settings, i.e. minor changes in settings (FiO2 ≤0.10, no change in flow). * At least 6 hours of stabilized tcCO2, i.e. ≤5 mmHg variation. * At least 6 hours from surfactant administration. * Parental consent Exclusion criteria: * If flow is \<3 and tcCO2 related pCO2 is\<40mmHg. * If Flow is ≥5 bpm and tcCO2 related pCO2 is\>60mmHg. * Unstable infants due to acute conditions (sepsis. IVH), or congenital malformations.
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What it tests

  • change flow from 6 to 2 LPM. Follow TcCO2 for 3 hours
  • change flow from 2 to 6 LPM. Follow TcCO2 for 3h
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Where

1 site
Rambam Medical Center
Haifa, Israel
🤝 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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