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PubMed2001

Intra-amniotic endotoxin: chorioamnionitis precedes lung maturation in preterm lambs.

The inflammatory and lung maturational effects of intra-amniotic exposure to endotoxin were assessed in fetal lambs. Five hours to 25 days after intra-amniotic injection of endotoxin, preterm lambs were delivered at 119-125 days gestation. Intra-amniotic endotoxin caused an inflammatory cell infiltration in amnion/chorion at 5 h, which persisted for 25 days. At 5-15 h after endotoxin, amnion/chorion cytokine mRNAs increased [12- to 26-fold for interleukin (IL)-1beta, IL-6, and IL-8 mRNA and 3-fold for tumor necrosis factor-alpha mRNA]. At 1-2 days after endotoxin, lung cytokine mRNAs increased 6- to 49-fold. Endotoxin caused modest changes in peripheral white blood cell counts and no significant cytokine mRNA responses in fetal liver, placenta, or jejunum. Lung maturation, as characterized by increased lung volumes and alveolar saturated phosphatidylcholine, occurred at 7 days and persisted for 25 days after endotoxin. We conclude that exposure to a single dose of intra-amniotic endotoxin causes inflammation and increases in cytokine mRNA in amnion/chorion and the fetal lung before lung maturation, consistent with the hypothesis that proinflammatory cytokines signal lung maturation.

Amnion↗
PubMed1986

Candida chorioamnionitis and intra-uterine contraceptive device.

In spite of the very common occurrence of vaginal candidiasis in pregnant women (1), the uterus is seldom affected. There are few reports in the literature of intrauterine infection. The present paper presents a case of placental and fetal candidiasis in association with the presence of an intra-uterine contraceptive device (IUD).

Abortion, Spontaneous↗
PubMed1999

[Chorioamnionitis].

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Chorioamnionitis↗
PubMed1991

[The value of C-reactive protein in the detection of chorioamnionitis in cases of premature rupture of membranes].

In a context of premature rupture of the membranes, the authors compare the sensitivity and ability to predict the onset of chorio-amnionitis of the conventional clinical signs (hyperthermia, fetal tachycardia, discolored amniotic fluid) and paraclinical signs (hyperleukocytosis and bacteriology of the amniotic fluid) with those of the assay of C reacting protein in the maternal plasma. The latter test is apparently more sensitive and of greater positive predictive value in this disorder.

C-Reactive Protein↗