OBJECTIVE: To determine the cervical and vaginal fluid soluble Toll-like receptor-2 (sTLR2) levels in pregnancies complicated by preterm prelabor rupture of membranes (PPROM) and their correlation to microbial invasion of the amniotic cavity (MIAC) and/or histological chorioamnionitis (HCA). METHODS: Sixty-eight women with singleton pregnancies complicated by PPROM were included in this study. Cervical and vaginal fluid was collected at the time of admission, and levels of sTLR2 in the cervical and vaginal fluid were determined using enzyme-linked immunosorbent assay. RESULT: Women with MIAC and both MIAC and HCA did not have different cervical and vaginal fluid sTLR2 levels compared to those without MIAC and without both MIAC and HCA. Women with HCA had higher cervical fluid sTLR2 levels in crude analysis (with HCA: median 11.6 pg/mL versus without HCA: median 5.5 pg/mL; p = 0.04) but not after adjustment for gestational age at sampling (p = 0.19). No difference in vaginal fluid sTLR2 levels between women with and without HCA was found. A positive correlation between cervical and vaginal fluid sTLR2 levels was identified (rho = 0.54; p < 0.0001). CONCLUSIONS: Cervical and vaginal fluid sTLR2 levels did not reflect the presence of MIAC and/or HCA.

Biomedical Research Center University Hospital Hradec Kralove Hradec Kralove Czech Republic

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