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Published on: September 29, 2020
Impact of Continuous Capnography in Ventilated Neonates: A Randomized, Multicenter Study
Amir Kugelman1, Agenta Golan2, Arieh Riskin3
1Department of Neonatology, Bnai Zion Medical Center, The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel; Pediatric Pulmonary Unit, Bnai Zion Medical Center, The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel.
Continuous distal end-tidal CO2 (dETCO2) monitoring in infants improved control of carbon dioxide (CO2) levels during mechanical ventilation. This capnography use led to less time with unsafe CO2 levels and reduced brain injury rates.
Area of Science:
- Neonatal intensive care
- Pediatric respiratory medicine
- Medical device technology
Background:
- Maintaining optimal carbon dioxide (CO2) levels is crucial for ventilated neonates.
- Conventional monitoring may not provide real-time, continuous CO2 data for immediate clinical adjustments.
- Distal end-tidal CO2 (dETCO2) monitoring offers a non-invasive method to assess CO2 levels.
Purpose of the Study:
- To compare the efficacy of continuous distal end-tidal CO2 (dETCO2) monitoring versus standard care in maintaining safe CO2 ranges.
- To evaluate the impact of dETCO2 monitoring on clinical outcomes in ventilated infants.
Main Methods:
- A randomized, controlled multicenter study involving ventilated infants with double-lumen endotracheal tubes.
- Infants were randomized into an open (monitored) group with displayed dETCO2 data and a masked group with unavaialble dETCO2 data.
- dETCO2 measurements were validated against arterial CO2 (PaCO2) for patient care.
Main Results:
- dETCO2 showed good correlation (r=0.73) and agreement with PaCO2.
- The monitored group spent significantly less time with unsafe dETCO2 levels (high or low) compared to the masked group (P=0.03).
- The incidence of intraventricular hemorrhage or periventricular leukomalacia was lower in the monitored group (P=0.02).
Conclusions:
- Continuous dETCO2 monitoring significantly improves the management of CO2 levels within the safe range during conventional ventilation.
- dETCO2 monitoring is associated with reduced rates of serious neonatal brain injury.
- Capnography is a valuable tool for optimizing respiratory support in critically ill neonates.
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