Amniotic fluid clusterin in pregnancies complicated by the preterm prelabor rupture of membranes. 2017

Ivana Musilova, and Ctirad Andrys, and Marcela Drahosova, and Ondrej Soucek, and Lenka Pliskova, and Martin Stepan, and Tomas Bestvina, and Jan Maly, and Bo Jacobsson, and Marian Kacerovsky
a Department of Obstetrics and Gynecology , Charles University in Prague, Faculty of Medicine Hradec Kralove, University Hospital Hradec Kralove , Hradec Kralove , Czech Republic.

OBJECTIVE The aim of this study was to evaluate clusterin concentrations in amniotic fluid in pregnancies complicated by preterm prelabor rupture of membranes (PPROM) with respect to the presence of the microbial invasion of the amniotic cavity (MIAC), intra-amniotic inflammation (IAI) and microbial-associated IAI. METHODS One hundred thirty-six women with singleton pregnancies complicated by PPROM were included in this study. Amniotic fluid samples were obtained by transabdominal amniocentesis. Amniotic fluid clusterin concentrations were assessed by enzyme-linked immunosorbent assay. MIAC was determined by a non-cultivation approach. IAI was defined as an amniotic fluid bedside interleukin-6 concentration ≥745 pg/mL. Microbial-associated IAI was characterized as the presence of both MIAC and IAI. RESULTS Women with MIAC, IAI and microbial-associated IAI had lower amniotic fluid clusterin concentrations than women without these complications (with MIAC: median 1314 ng/mL versus without MIAC: median 1633 ng/mL, p = 0.003; with IAI: median 1281 ng/mL versus without IAI: median 1575 ng/mL, p = 0.04; with microbial associated-IAI: median 1220 ng/mL versus without microbial-associated IAI: median 1575 pg/mL; p = 0.008). A week negative correlation between amniotic fluid clusterin concentrations and gestational age at sampling was revealed (rho= -0.30; p = 0.0005). CONCLUSIONS The presence of MIAC, IAI and microbial-associated IAI was characterized by lower amniotic fluid clusterin concentrations in pregnancies complicated by PPROM.

UI MeSH Term Description Entries
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D002821 Chorioamnionitis INFLAMMATION of the placental membranes (CHORION; AMNION) and connected tissues such as fetal BLOOD VESSELS and UMBILICAL CORD. It is often associated with intrauterine ascending infections during PREGNANCY. Amnionitis,Funisitis,Amnionitides,Chorioamnionitides,Funisitides
D005260 Female Females
D005322 Fetal Membranes, Premature Rupture Spontaneous tearing of the membranes surrounding the FETUS any time before the onset of OBSTETRIC LABOR. Preterm PROM is membrane rupture before 37 weeks of GESTATION. Premature Rupture of Membrane (Pregnancy),PROM (Pregnancy),Premature Rupture of Fetal Membranes,Preterm PROM (Pregnancy),Preterm Premature Rupture of Fetal Membranes,Membrane Premature Rupture (Pregnancy),Membrane Premature Ruptures (Pregnancy),PROM, Preterm (Pregnancy)
D005865 Gestational Age The age of the conceptus, beginning from the time of FERTILIZATION. In clinical obstetrics, the gestational age is often estimated from the onset of the last MENSTRUATION which is about 2 weeks before OVULATION and fertilization. It is also estimated to begin from fertilization, estrus, coitus, or artificial insemination. Embryologic Age,Fetal Maturity, Chronologic,Chronologic Fetal Maturity,Fetal Age,Maturity, Chronologic Fetal,Age, Embryologic,Age, Fetal,Age, Gestational,Ages, Embryologic,Ages, Fetal,Ages, Gestational,Embryologic Ages,Fetal Ages,Gestational Ages
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000653 Amniotic Fluid A clear, yellowish liquid that envelopes the FETUS inside the sac of AMNION. In the first trimester, it is likely a transudate of maternal or fetal plasma. In the second trimester, amniotic fluid derives primarily from fetal lung and kidney. Cells or substances in this fluid can be removed for prenatal diagnostic tests (AMNIOCENTESIS). Amniotic Fluid Index,Amniotic Fluid Indices,Amniotic Fluids,Fluid Index, Amniotic,Fluid Indices, Amniotic,Fluid, Amniotic,Fluids, Amniotic,Index, Amniotic Fluid,Indices, Amniotic Fluid
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D051152 Clusterin A highly conserved heterodimeric glycoprotein that is differentially expressed during many severe physiological disturbance states such as CANCER; APOPTOSIS; and various NEUROLOGICAL DISORDERS. Clusterin is ubiquitously expressed and appears to function as a secreted MOLECULAR CHAPERONE. ApoJ Protein,Apolipoprotein J,Complement Lysis Inhibitor,Complement-Associated Protein SP-40,40,Ionizing Radiation-Induced Protein-8,MAC393 Antigen,SGP-2 Protein,SP 40,40 Protein,Sulfated Glycoprotein 2,Sulfated Glycoprotein-2,TRPM-2 Protein,Testosterone-Repressed Prostate Message-2 Protein,X-Ray-Inducible Protein 8,XIP8 Protein,Complement Associated Protein SP 40,40,Ionizing Radiation Induced Protein 8,Radiation-Induced Protein-8, Ionizing,SGP 2 Protein,SP-40,40, Complement-Associated Protein,TRPM 2 Protein,Testosterone Repressed Prostate Message 2 Protein,X Ray Inducible Protein 8

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