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Amniotic fluid cathepsin-G in pregnancies complicated by the preterm prelabor rupture of membranes.

Journal article
Authors Ivana Musilova
Ctirad Andrys
Marcela Drahosova
Ondrej Soucek
Lenka Pliskova
Martin Stepan
Tomas Bestvina
Jan Maly
Bo Jacobsson
Marian Kacerovsky
Published in The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians
Volume 30
Issue 17
Pages 2097-2104
ISSN 1476-7058
Publication year 2017
Published at Institute of Clinical Sciences, Section for the Health of Women and Children, Department of Obstetrics and Gynecology
Pages 2097-2104
Language en
Links dx.doi.org/10.1080/14767058.2016.12...
Subject categories Obstetrics and women's diseases


The aim of this study was to evaluate the amniotic fluid cathepsin-G concentrations in women with preterm prelabor rupture of membranes (PPROM) based on the presence of the microbial invasion of the amniotic cavity (MIAC) and/or intra-amniotic inflammation (IAI).A total of 154 women with singleton pregnancies complicated by PPROM were included in this study. Amniotic fluid samples were obtained by transabdominal amniocentesis. Amniotic fluid cathepsin-G concentrations were assessed by ELISA. MIAC was determined using a non-cultivation approach. IAI was defined as an amniotic fluid bedside interleukin-6 concentration ≥ 745 pg/mL.Women with MIAC had higher amniotic fluid cathepsin-G concentrations than women without MIAC (with MIAC: median 82.7 ng/mL, versus without MIAC: median 64.7 ng/mL; p = 0.0003). Women with IAI had higher amniotic fluid cathepsin-G concentrations than women without this complication (with IAI: median 103.0 ng/mL, versus without IAI: median 66.2 ng/mL; p < 0.0001). Women with microbial-associated (with both MIAC and IAI) IAI and sterile (IAI without MIAC) IAI had higher amniotic fluid cathepsin-G concentrations than women with colonization (MIAC without IAI) and women without both MIAC and IAI (p < 0.0001).The presence of either microbial-associated or sterile IAI was associated with increased amniotic fluid cathepsin-G concentrations in pregnancies complicated by PPROM. Amniotic fluid cathepsin-G appears to be a potential marker of IAI.

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