Retained placenta: will medical treatment ever be possible?

Acta Obstetricia Et Gynecologica Scandinavica
Achier D Akol, Andrew D Weeks

Abstract

The standard treatment for retained placenta is manual removal whatever its subtype (adherens, trapped or partial accreta). Although medical treatment should reduce the risk of anesthetic and surgical complications, they have not been found to be effective. This may be due to the contrasting uterotonic needs of the different underlying pathologies. In placenta adherens, oxytocics have been used to contract the retro-placental myometrium. However, if injected locally through the umbilical vein, they bypass the myometrium and perfuse directly into the venous system. Intravenous injection is an alternative but exacerbates a trapped placenta. Conversely, for trapped placentas, a relaxant could help by resolving cervical constriction, but would worsen the situation for placenta adherens. This confusion over medical treatment will continue unless we can find a way to diagnose the underlying pathology. This will allow us to stop treating the retained placenta as a single entity and to deliver targeted treatments.

References

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Citations

Feb 8, 2019·Archives of Gynecology and Obstetrics·Hellen McKinnon EdwardsJens Langhoff-Roos
Jun 20, 2020·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Eric JauniauxDavor Jurkovic
Mar 12, 2021·The Cochrane Database of Systematic Reviews·Nimisha KumarAndrew D Weeks
Apr 6, 2021·Archives of Gynecology and Obstetrics·Nathalie AugerBrian J Potter

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