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  • Title: Amniotic fluid myeloperoxidase in pregnancies complicated by preterm prelabor rupture of membranes.
    Author: Kacerovsky M, Tambor V, Vajrychová M, Lenco J, Hornychova H, Musilova I, Menon R.
    Journal: J Matern Fetal Neonatal Med; 2013 Mar; 26(5):463-8. PubMed ID: 23039254.
    Abstract:
    OBJECTIVE: To determine amniotic fluid myeloperoxidase concentration in women with preterm prelabor rupture of the membranes with microbial invasion of the amniotic cavity and histological chorioamnionitis. METHODS: One hundred eighty-one women with singleton pregnancies with a gestational age between 24+0 and 36+6 weeks were included in this study. Amniocenteses were performed, and myeloperoxidase concentration in the amniotic fluid was determined using ELISA. RESULT: Women with microbial invasion of the amniotic cavity had higher median myeloperoxidase concentration than women without this condition (149.2 ng/mL vs. 54.6 ng/mL; p = 0.0006). Women with the presence of histological chorioamnionitis had higher median myeloperoxidase concentration than women without histological chorioamnionitis (103.7 ng/mL vs. 50.0 ng/mL; p = 0.0001). The presence of both microbial invasion of the amniotic cavity and histological chorioamnionitis was associated with higher median myeloperoxidase concentration (456.0 ng/mL vs. 52.9 ng/mL; p < 0.0001). The results remained significant after adjusting for gestational age. CONCLUSIONS: Increased amniotic fluid myeloperoxidase in microbial invasion of the amniotic cavity and histological chorioamnionitis confirm a role of myeloperoxidase in preterm prelabor rupture of the membranes pathophysiology.
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