Lung Function Monitoring During Hypoxemia Episodes
Differentiating Pathophysiological Mechanisms of Hypoxemia Episodes by Continuous Lung Function Monitoring in Preterm Infants
Rutgers, The State University of New Jersey
35 participants
Apr 4, 2024
OBSERVATIONAL
Conditions
Summary
Premature infants commonly have desaturation episodes due to different reasons such as cessation of breathing or loss of lung volume. The purpose of this study is to differentiate the mechanisms of desaturation episodes with continuous lung volume monitoring. As we better understand the mechanisms underlying the desaturation episodes, newer strategies directed at underlying pathophysiology can potentially by evaluated for mitigation of these episodes.
Eligibility
Inclusion Criteria3
- Born at ≤32w GA
- Post menstrual age between 30w to 36w
- or more episodes of HEs in the previous 24h (Defined as SpO2\<90≥5s)
Exclusion Criteria4
- Major congenital malformation
- Receiving invasive mechanical ventilation
- Severe neurological injury
- Hemodynamic instability requiring inotropes in last 72h
Interventions
Electrical impedance tomography (EIT) will be used to assess changes in lung aeration prior and during hypoxemia episodes to classify them into four different subtypes. FE subtype: Defined as HEs preceded by reduction in EELI below the baseline. Apnea subtype: Defined as HEs not meeting the criteria for FE subtype and preceded by cessation of breathing. Mixed subtype: Defined as HEs meeting the criteria for both FE and apnea subtypes. Unclassified: Defined as HEs not categorized into any of the above parameters.
Locations(1)
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NCT06535074