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  • Title: Intraamniotic inflammation and umbilical cord blood interleukin-6 concentrations in pregnancies complicated by preterm prelabor rupture of membranes.
    Author: Musilova I, Andrys C, Drahosova M, Soucek O, Stepan M, Bestvina T, Spacek R, Jacobsson B, Cobo T, Kacerovsky M.
    Journal: J Matern Fetal Neonatal Med; 2017 Apr; 30(8):900-910. PubMed ID: 27265200.
    Abstract:
    OBJECTIVE: To evaluate umbilical cord blood interleukin (IL)-6 concentrations and the occurrence of fetal inflammatory response syndrome (FIRS) with respect to microbial invasion of the amniotic cavity (MIAC) and/or intraamniotic inflammation (IAI) in pregnancies complicated by preterm prelabor rupture of membranes (PPROM). METHODS: One-hundred-eighty-eight women with singleton pregnancies complicated by PPROM between gestational ages of 24 + 0 and 36 + 6 weeks were included in the study. Blood samples were obtained by venipuncture from the umbilical cord after the delivery of the newborn. The umbilical cord blood IL-6 concentrations were evaluated using ELISA kits. FIRS was defined as umbilical cord blood IL-6 > 11 pg/mL. RESULT: Women with MIAC and IAI had higher IL-6 concentrations than women without these complications (with MIAC: median 18.1 pg/mL versus without MIAC: median 5.8; p < 0.0001; with IAI: median 32.9 pg/mL, versus without IAI: median 5.8; p < 0.0001). Women with IAI with MIAC and women with IAI without MIAC had the highest umbilical cord blood IL-6 concentrations (medians: 32.6 and 39.4 pg/mL) and rates of FIRS (78% and 67%). CONCLUSIONS: IAI was associated with the highest umbilical cord blood IL-6 concentrations and rate of FIRS independent of the presence or absence of MIAC.
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