O-221Safeboosc - A Phase Ii Randomised Clinical Trial On Cerebral Near-infrared Spectroscopy Oximetry In Extremely Preterm Infants

Background and aimsExtremely preterm infants have a high risk of moderate to severe long-term neurodevelopmental impairment. Hypoxic or hyperoxic brain injury may be a contributing factor. The SafeBoosC trial investigated if it is possible to stabilise the cerebral oxygenation of extremely preterm i...

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Published in:Archives of disease in childhood 2014-10, Vol.99 (Suppl 2), p.A109-A110
Main Authors: Hyttel-Sorensen, S, Pellicer, A, Alderliesten, T, Austin, T, van Bel, F, Benders, M, Claris, O, Dempsey, E, Franz, A R, Fumagalli, M, Gluud, C, Grevstad, B, Hagmann, C, Lemmers, P, van Oeveren, W, Pichler, G, Plomgaard, A M, Riera, J, Sanchez, L, Winkel, P, Wolf, M, Greisen, G
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Language:English
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Summary:Background and aimsExtremely preterm infants have a high risk of moderate to severe long-term neurodevelopmental impairment. Hypoxic or hyperoxic brain injury may be a contributing factor. The SafeBoosC trial investigated if it is possible to stabilise the cerebral oxygenation of extremely preterm infants.MethodsThis was a phase II randomised, single blinded, clinical trial. Infants born before 28 weeks of gestation were eligible. Within 3 h of birth, infants were randomly assigned to either cerebral near infrared spectroscopy (NIRS) oxygenation monitoring in combination with a treatment guideline (experimental) or blinded NIRS monitoring with standard care (control). The primary outcome was the area under the curve of the time series of absolute deviation from the cerebral oxygenation target range of 55% to 85%, expressed in % hours (the burden of hypoxia and hyperoxia). We hypothesised that there would be more than 50% reduction in this burden in the experimental group.Results166 infants with a median postmenstrual age of 26.4 weeks were enrolled (Table 1). Two infants were withdrawn. 86 infants randomised to the NIRS group had a median burden of hypoxia and hyperoxia of 36.1% hours (IQR 9.2 to 79.5) compared with 81.3% hours (IQR 38.5 to 181.3) in the control group (Figure 1), a reduction of 58% (95% CI 35% to 73%) (p=
ISSN:0003-9888
DOI:10.1136/archdischild-2014-307384.291