BackgroundChanges in the balance of decidual leucocyte populations may lead to an unfavourable uterine microenvironment which may be associated with the development of preeclampsia (PE). In this study, we therefore investigated the leucocyte subpopulations in decidual tissues of 33 women with preeclampsia and 66 control patients.MethodsDecidua was either obtained via curettage during cesarean section or dissected from the surface of the basal plate of the placenta after spontaneous delivery. We used FACS analysis to quantify decidual leukocytes (CD45), NK cells (CD56+/CD16+ and CD56++/CD16-), antigen presenting cells (HLA-DR, DC-Sign, CD14) and T/B cells (CD8, CD4, alpha-beta-T-cell receptor, gamma-delta-T-cell receptor, CD25, CD19).ResultsThe number of decidual cytotoxic CD8+T-lymphocytes (P < 0.02), alpha-beta -T-cell receptor positive T cells (P < 0.03) and of CD56+/CD16+ NK cells (P < 0.03) was lower in decidua from women with PE than in decidua from control patients.ConclusionThe observed reduction of specific leucocyte subsets could create a microenvironment which is unfavourable for an appropriate placentation and could thereby be involved in the development of preeclamptic symptoms.
A 36-year-old G4P1 presented at 20 weeks gestation with vaginal bleeding. Her obstetrical history was significant for two first-trimester spontaneous abortions requiring curettage and a cesarean section. On admission placenta praevia was suspected by ultrasound. A placenta percreta was suspected by ultrasound follow-up at 30 weeks. At 33 weeks she underwent cesarean section because of serious vaginal bleeding. The profound blood loss with consecutive coagulopathy required an emergency hysterectomy and multiple blood transfusions. Placenta percreta is a rare but dramatic complication after previous cesarean section. This should be kept in mind as the rate of elective cesarean sections is rising continuously.
Whenever a hepatopathy occurs during pregnancy, several divergent diagnoses with severe implications and different aetiopathologies have to be considered. Diagnostic and therapeutic strategies have to be weighed quickly to enable a fast, interdisciplinary cooperation in order to prevent fatal outcomes.
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