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  • Title: Vaginal fluid IL-6 and IL-8 levels in pregnancies complicated by preterm prelabor membrane ruptures.
    Author: Kacerovsky M, Musilova I, Jacobsson B, Drahosova M, Hornychova H, Janku P, Prochazka M, Simetka O, Andrys C.
    Journal: J Matern Fetal Neonatal Med; 2015 Mar; 28(4):392-8. PubMed ID: 24754733.
    Abstract:
    OBJECTIVE: To determine the vaginal fluid interleukin (IL)-6 and IL-8 concentrations in pregnancies complicated by preterm prelabor rupture of membranes and their correlation to microbial invasion of the amniotic cavity (MIAC) as well as histological chorioamnionitis (HCA). METHODS: Sixty-eight women with singleton pregnancies were included in this study. Vaginal fluid was collected at the time of admission. IL-6 and IL-8 concentrations in the vaginal fluid were determined using ELISA. RESULT: Women with MIAC had higher vaginal fluid IL-6 levels compared to those without MIAC (with MIAC: median 374 pg/mL versus without MIAC: median 174 pg/mL; p = 0.03). IL-8 levels were higher in women with MIAC only in the crude analysis but not after adjustment for gestational age. There was no difference in the IL-6 and IL-8 concentrations between those with and without HCA. Women with both MIAC and HCA had higher IL-6 vaginal fluid levels than those without both MIAC and HCA (with MIAC and HCA: median 466 pg/mL versus without MIAC and HCA: median 178 pg/mL; p = 0.02). IL-8 levels were higher in women with MIAC and HCA only in the crude analysis but not after adjustment for gestational age. CONCLUSIONS: Vaginal fluid IL-6 but not IL-8 levels reflect the presence of MIAC and both MIAC and HCA.
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