Postpartum Hemorrhage Clinical Trial
Official title:
Oral Misoprostol as a Second-line Alternative to Intravenous Oxytocin in Preventing Postoperative Blood Loss After Non-scheduled Cesarean Section: a Randomized, Double-blind, Placebo-controlled Trial
Postpartum hemorrhage (PPH) ranks among the leading causes of maternal morbidity and
mortality, both in developed and developing countries.
With this trial, we sought to determine the effectiveness of oral misoprostol as an
uterotonic drug in comparison with intravenous oxytocin, in patients with a low risk of PPH
undergoing non-scheduled Cesarean section.
We therefore compared the intra- and postoperative blood loss, as well as drug related side
effects in patients, treated by the same surgical and anesthesiological team in one
institution.
Postpartum hemorrhage (PPH) is still among the leading causes of maternal morbidity and
mortality. The incidence of PPH is reduced by active management of the third stage of labor
which includes the use of uterotonics for pharmacological prophylaxis. However, there is an
on-going debate about the optimal drug selection since uterotonics such as oxytocin and
methylergometrine are liable for specific side effects and complications when administered
within a dose range needed to be effective for PPH. In the search for an alternative to these
conventional standard uterotonics, misoprostol (prostaglandin E1) has turned out to be an
effective therapeutic option and has been implemented in actual treatment regimens. The
objective of this study was to compare the effectiveness of oral applicated misoprostol
versus intravenous oxytocin in reducing blood loss in low risk obstetric patients undergoing
non-scheduled cesarean section (CS) under spinal anesthesia.
Comparison:
In this prospective, double blind study, parturients undergoing CS were randomized to receive
either a) oral misoprostol and an infusion of normal saline supplemented with placebo, or b)
an oral placebo and an infusion of normal saline, supplemented with oxytocin subsequently to
intravenous oxytocin after cord clamping in both groups.
The primary outcomes were the amount of intra- and postoperative blood loss and the
occurrence of drug-related side effects.
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