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- W1124600147 abstract "Introduction: oxygen supplementation and total parenteral solution (TPN) are two main clinical practices that sustain oxidative stress. Glutathione is a key molecule that detoxifies peroxides resulting in a more oxidized redox potential. We hypothesize that O2 supplementation and longer TPN duration are associated with both more oxidized redox potential and more severe bronchopulmonary dysplasia (BPD). Patients and methods: A prospective observational study including infants of less than 29 weeks gestational age. GSH and GSSG from whole blood sampled on day 67 and at 36 weeks of corrected age (CA) were measured by capillary electrophoresis and redox potential was calculated using Nernst equation. BPD was classified according to NICHD guidelines. Results: There was a significant association between FiO2 ≥ 25% on day 7 of life and TPN duration longer than 14 days and both more oxidized redox potential and more severe BPD. TPN duration explained both 15 % of total variation observed in redox potential and 42 % of total variation in BPD severity. These associations remained significant after adjustment for gestational age and illness severity. The relation between the severity of BPD and the redox potential in blood was not significant. The statistic power (1-β) to show an effect of redox potential on severity of BPD was" @default.
- W1124600147 created "2016-06-24" @default.
- W1124600147 creator A5034778644 @default.
- W1124600147 date "2013-04-05" @default.
- W1124600147 modified "2023-09-24" @default.
- W1124600147 title "The effect of oxygen and parenteral nutrition on the redox potential and bronchopulmonary dysplasia in extremelypreterm infants" @default.
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