Dystocia Clinical Trial
Official title:
Delivery of Impacted Fetal Head During Cesarean Section for Obstructed Labor: Push Method Versus Abdominal Disimpaction With Lower Uterine Segment Support
The study aims to compare maternal and early neonatal outcomes of abdominal disimpaction with lower uterine segment support in comparison to the classic "push" method for delivery of impacted fetal head during Cesarean section for obstructed labor.
Obstructed labor refers to failure of labor progress in spite of good uterine contractions
and is attributed to mismatch between the size of the presenting part of the fetus and the
mother's pelvis. Approximately 8% of maternal deaths worldwide are attributed to obstructed
labor and subsequent puerperal infection, uterine rupture, and postpartum hemorrhage.
In these situations, Cesarean section could minimize maternal and neonatal morbidity.
However, Cesarean section is challenging when the head is deeply impacted and is associated
with high risk of maternal injuries and perinatal injuries. The most common complication is
extension of uterine incision which could involve the vagina, bladder, ureters and broad
ligament. Neonates are also at risk of skull fractures, cephalhematoma, and subgaleal
hematoma mainly due to manipulations. Currently, the most popular approaches for fetal head
delivery are the push and pull methods. Although push method seems to be more convenient and
does not necessitate extensive experience, it is more significantly associated with extension
than the pull method. Although pull method seems to be more safe, it is more difficult to
perform and usually warrants an aggressive uterine incision to deliver the fetus. In 2013,
investigators published a case series on abdominal disimpaction with lower uterine segment
support which basically allows obstetricians to deliver the fetal head through a transverse
uterine incision with minimal risk of extensions and neonatal complications. In this study,
investigators aim to validate this approach in comparison to the classic push method.
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