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399 Automatic Control of the Inspired Oxygen Fraction in Preterm Infants. Preliminary Results of a Multicenter Randomized Cross-Over Trial
  1. A Hallenberger1,
  2. MS Urschitz1,
  3. I Müller-Hansen1,
  4. S Miksch2,
  5. A Seyfang2,
  6. W Horn3,
  7. CF Poets1
  1. 1Department of Neonatology, University Hospital Tuebingen, Tuebingen, Germany
  2. 2Institute of Software Technology and Interactive Systems (ISIS), Vienna University of Technology
  3. 3Section for Artificial Intelligence, Center for Med. Statistics, Informatics and Intelligent Systems, Medical University of Vienna, Vienna, Austria


Background and Aims In preterm infants receiving supplemental oxygen, manual control of the inspired oxygen fraction is often time-consuming and inappropriate. We developed a system for automatic oxygen control (FiO2-Controller) and hypothesized that this system is more effective than routine manual oxygen control in maintaining target arterial oxygen saturation levels.

Methods We performed a multicenter randomized controlled cross-over clinical trial in preterm infants receiving mechanical ventilation or nasal continuous positive airway pressure and supplemental oxygen. Periods with routine manual oxygen control (period 1) were compared to periods of routine manual oxygen control supported by the FiO2-Controller (period 2).

Results Preliminary results including 18 patients are presented. The median (range) percentage of time with arterial oxygen saturation levels within target range (90–95%) was 59.3% (37.9–99.5) for period 1, and 69.4% (43.8–95.4) for period 2. Final analysis including significance testing is pending.

Conclusions Automatic oxygen control may improve oxygen administration to preterm infants receiving mechanical ventilation or nasal continuous positive airway pressure.

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