Fetal Distress Clinical Trial
Official title:
Prophylactic Maternal Low Flow Nasal Oxygen Administration During the Second Stage of Labor for Fetal Distress
Supplementary oxygen is routinely administered to patients, even those with adequate oxygen
saturations, in the belief that it increases oxygen delivery. However, oxygen delivery
depends not just on arterial oxygen content but also on perfusion.
Maternal oxygen administration has been used in an attempt to lessen fetal distress by
increasing the available oxygen from the mother. However, the effect of supplemental maternal
oxygen therapy on fetal acid base status has been debated for more than seven decades.
Hypothesis: Prophylactic maternal low flow nasal oxygen administration during the second
stage of labor can relieve fetal distress.
A report from the cochran library (Cochrane Database Syst Rev. 2012 Dec 12;12:CD000136.):
Too little evidence to show whether oxygen administration to the woman during labour is
beneficial to the baby.
Some babies show signs of distress, such as unusual heart rates or the passing of a bowel
motion (meconium) during their mother's labour. This may be caused by a lack of oxygen
passing from the woman to the baby through the placenta. Sometimes, women may be encouraged
to breathe extra oxygen through a facemask (oxygen administration) to increase the oxygen
available to the unborn baby. A review of two trials found too little evidence to show
whether oxygen administration to the woman during the second stage of labour is beneficial to
the baby. No trials of oxygen administration when the baby is showing signs of distress were
found. Further research is needed.
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