Effects of various concentrations of O2 and umbilical cord occlusion on fetal breathing and behavior.

@article{Baier1990EffectsOV,
  title={Effects of various concentrations of O2 and umbilical cord occlusion on fetal breathing and behavior.},
  author={Ronald John Baier and Shabih U Hasan and Donald Brooks Cates and Danica T. Hooper and Bolesław Nowaczyk and Henrique Rigatto},
  journal={Journal of applied physiology},
  year={1990},
  volume={68 4},
  pages={
          1597-604
        }
}
To test the hypothesis that continuous fetal breathing could be induced by hyperoxemia alone or by hyperoxemia and umbilical cord occlusion, even in the absence of a rise in arterial PCO2 (PaCO2), we studied 18 chronically instrumented fetal sheep on 34 occasions using our window model (18). After a resting cycle (1 low-voltage followed by 1 high-voltage electrocortical activity epoch), the fetal lung was distended via an endotracheal tube using mean airway pressure of approximately cmH2O… CONTINUE READING
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