Aim: To determine if the use of closed-loop automated oxygen control (CLAC) reduced the incidence and duration of hypoxemic episodes (SpO < 92%) in ventilated infants born at or above 34 weeks of gestation.
Methods: Infants were studied on two consecutive days for 6 h each day. They were randomised to receive standard care (manual oxygen control) or standard care with a CLAC system (automated oxygen control) first.
Results: Sixteen infants with a median (IQR) gestational age of 37.4 (36.6-38.8) weeks were studied at a median (IQR) postmenstrual age of 38.8 (37.4-39.8) weeks. During the automated oxygen control period, infants spent less time in hypoxemia (SpO < 92%) (p = 0.033), episodes of desaturation were shorter (p = 0.001), the time spent within target SpO range (92%-96%) was increased (p = 0.001), and the FiO delivery was lower (p = 0.018). The time spent in hyperoxemia (SpO > 96%) was reduced during automated oxygen control (p = 0.011), the episodes of hyperoxemia were of shorter duration (p = 0.008) and fewer manual adjustments were made to the FiO (p = 0.005).
Conclusions: Closed-loop automated oxygen control in ventilated infants born at or near term was associated with a reduction in the incidence and duration of hypoxemic episodes with more time spent in the target oxygen range.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10099764 | PMC |
| http://dx.doi.org/10.1111/apa.16598 | DOI Listing |
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