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Bibliographical entry (without author) : | The role of prostaglandins E1 and E2, dinoprostone, and misoprostol in cervical ripening and the induction of labor: a mechanistic approach - Archives of Gynecology and Obstetrics - Vol. 296, 2 - p.167-179 |
Author(s) : | Bakker, R.; Pierce, S.; Myers, D. |
Year of publication : | 2017 |
URL(s) : | https://www.scopus.com/inward/record.uri?eid=2-s2.… |
Résumé (français) : | Objectif : Les Prostaglandines jouent un rôle critique dans la maturation cervicale en augmentant les médiateurs inflammatoires du col et induisant un remodelage cervical. Prostaglandine E1 (PGE1) et Prostaglandines E2 (PGE2) exercent des effets différents sur ces processus et sur la contractilité du myomètre. Ces différences mécaniques peuvent affecter les résultats chez les femmes traitées au dinoprostone, une formule identique au PGE2 endogène, comparé au misoprostol, un PGE1 analogue. L’objectif de cette revue est d’évaluer les preuves concernant des différences mécaniques entre les PGE1 et les PGE2, et considérer les implications cliniques de ces différences chez les patientes nécessitant une maturation cervicale lors d’un déclenchement du travail. |
Abstract (English) : | Purpose: Prostaglandins play a critical role in cervical ripening by increasing inflammatory mediators in the cervix and inducing cervical remodeling. Prostaglandin E1 (PGE1) and prostaglandin E2 (PGE2) exert different effects on these processes and on myometrial contractility. These mechanistic differences may affect outcomes in women treated with dinoprostone, a formulation identical to endogenous PGE2, compared with misoprostol, a PGE1 analog. The objective of this review is to evaluate existing evidence regarding mechanistic differences between PGE1 and PGE2, and consider the clinical implications of these differences in patients requiring cervical ripening for labor induction. Methods: We conducted a critical narrative review of peer-reviewed articles identified using PubMed and other online databases. Results: While both dinoprostone and misoprostol are effective in cervical ripening and labor induction, they differ in their clinical and pharmacological profiles. PGE2 has been shown to stimulate interleukin-8, an inflammatory cytokine that promotes the influx of neutrophils and induces remodeling of the cervical extracellular matrix, and to induce functional progesterone withdrawal. Misoprostol has been shown to elicit a dose-dependent effect on myometrial contractility, which may affect rates of uterine tachysystole in clinical practice. Conclusions: Differences in the mechanism of action between misoprostol and PGE2 may contribute to their variable effects in the cervix and myometrium, and should be considered to optimize outcomes. © 2017, Springer-Verlag GmbH Germany. |
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Argument (français) : | Les prostaglandines PEG1 et PEG2 n’ayant pas les mêmes mécanismes d’action, leurs différentes actions sur le col et le myomètre doivent être prises en compte lors d’une maturation cervicale, afin d’optimiser les résultats. |
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Keywords : | ➡ induction of labor ; ripening of cervix ; misoprostol (Cytotec) |
Author of this record : | Import 26/11/2017 — 26 Nov 2017 |
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