Vers une meilleure connaissance des pathologies vasculaires placentaires

Abstract : Placenta-mediated adverse pregnancy outcomes are frequent and severe pathologies whose predominant maternal form is preeclampsia and fetal form, intrauterine growth retardation. The questions asked about this subject concern first of all the prediction of the occurrence of its pathologies in a sufficiently early way to allow for close monitoring, administration of corticosteroids, and management in an appropriate level of maternity. The prevention of the occurrence and recurrence and the treatment of its pathologies in the constituted phase are also unresolved problems. Our objective was therefore to work on its various questions through three studies: the ANGIOPREI study, the VOLUPLA study and the GROWTH study. The results of his work and of the literature show that the factors of haemostasis anc angiogenic factors are disturbed in preeclampsia and in growth retardation. The association of maternal, ultrasound, angiogenic and serum factors constitutes a predictive model that is effective mainly by an excellent negative predictive value. The placental volume is correlated with the D-dimer level and is interesting for placenta-mediated adverse pregnancy outcomes prediction. New studies will have to continue the exploration of the prediction, prevention and treatment of this pathologies related to the placenta. The treatment is notably the object of the study Growth which aims to evaluate the effectiveness of the Enoxaparin for the treatment of constituted vascular growt retardation.
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Tiphaine Barjat. Vers une meilleure connaissance des pathologies vasculaires placentaires. Médecine humaine et pathologie. Université de Lyon, 2017. Français. ⟨NNT : 2017LYSES026⟩. ⟨tel-02183533⟩

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