Carbetocin at Elective Cesarean Deliveries: A Dose-finding Study in Women With Twin Pregnancy.

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There is a lack of consensus as to what the optimal uterotonic regime is globally. Furthermore, variability in the international guidelines regarding the choice of first line uterotonic in prevention of PPH adds to the confusion. With the widespread availability of carbetocin in some developed count...

There is a lack of consensus as to what the optimal uterotonic regime is globally. Furthermore, variability in the international guidelines regarding the choice of first line uterotonic in prevention of PPH adds to the confusion. With the widespread availability of carbetocin in some developed countries, including Canada, the question of which uterotonic to adopt and at which dose becomes even more difficult to ascertain. Studies that have currently been published suggest the ED90 doses of carbetocin and oxytocin provide adequate uterine contraction with possibly fewer side effects associated with the lower dose regimens. There is evidence to suggest that lower doses of both carbetocin provide equivalent uterine contractions with a better side effect profile in patients with a singleton pregnancy. However, there is no clinical dosing data specifically for patients with twin pregnancy. The results of our study will provide guidance to obstetric and anesthetic providers worldwide when deciding what dose of carbetocin to use in women with twin pregnancy.

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