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Preterm Prelabor Rupture of Membranes between 34 and 37 Weeks: A Point-of-Care Test of Vaginal Fluid Interleukin-6 Concentrations for a Noninvasive Detection of Intra-Amniotic Inflammation

Preterm Prelabor Rupture of Membranes between 34 and 37 Weeks: A Point-of-Care Test of Vaginal... Objective: The aim of this study was to investigate whether a previously reported vaginal fluid point-of-care interleukin (IL)-6 cut-off value of 2,500 pg/mL can be used for the identification intra-amniotic inflammation in women with preterm prelabor rupture of membranes (PPROM) between 34 and 37 weeks. Material and Methods: A prospective cohort study was conducted in women with singleton gestation complicated by PPROM between 34 + 0 and 36 + 6 weeks. Vaginal fluid was successfully obtained in 118 women from the posterior vaginal fornix via aspiration using a sterile urine sample tube with a suction tip. Amniotic fluid was obtained via transabdominal amniocentesis. IL-6 concentrations were assessed in both fluids immediately after sampling. Intra-amniotic inflammation was defined as an amniotic fluid point-of-care IL-6 concentration of ≥745 pg/mL. Results: The tested vaginal fluid IL-6 cut-off value had a sensitivity of 91%, specificity of 91%, positive predictive value of 50%, negative predictive value of 99%, positive likelihood ratio of 9.7, and negative likelihood ratio of 0.1 for the identification of intra-amniotic inflammation. Conclusion: The point-of-care vaginal fluid IL-6 test with a cut-off value of 2,500 pg/mL shows good sensitivity, specificity, and negative predictive value for the identification of intra-amniotic inflammation in PPROM between 34 and 37 weeks. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fetal Diagnosis and Therapy Karger

Preterm Prelabor Rupture of Membranes between 34 and 37 Weeks: A Point-of-Care Test of Vaginal Fluid Interleukin-6 Concentrations for a Noninvasive Detection of Intra-Amniotic Inflammation

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Publisher
Karger
Copyright
© 2017 S. Karger AG, Basel
ISSN
1015-3837
eISSN
1421-9964
DOI
10.1159/000477617
Publisher site
See Article on Publisher Site

Abstract

Objective: The aim of this study was to investigate whether a previously reported vaginal fluid point-of-care interleukin (IL)-6 cut-off value of 2,500 pg/mL can be used for the identification intra-amniotic inflammation in women with preterm prelabor rupture of membranes (PPROM) between 34 and 37 weeks. Material and Methods: A prospective cohort study was conducted in women with singleton gestation complicated by PPROM between 34 + 0 and 36 + 6 weeks. Vaginal fluid was successfully obtained in 118 women from the posterior vaginal fornix via aspiration using a sterile urine sample tube with a suction tip. Amniotic fluid was obtained via transabdominal amniocentesis. IL-6 concentrations were assessed in both fluids immediately after sampling. Intra-amniotic inflammation was defined as an amniotic fluid point-of-care IL-6 concentration of ≥745 pg/mL. Results: The tested vaginal fluid IL-6 cut-off value had a sensitivity of 91%, specificity of 91%, positive predictive value of 50%, negative predictive value of 99%, positive likelihood ratio of 9.7, and negative likelihood ratio of 0.1 for the identification of intra-amniotic inflammation. Conclusion: The point-of-care vaginal fluid IL-6 test with a cut-off value of 2,500 pg/mL shows good sensitivity, specificity, and negative predictive value for the identification of intra-amniotic inflammation in PPROM between 34 and 37 weeks.

Journal

Fetal Diagnosis and Therapy – Karger

Published: Apr 1, 2018

Keywords: Amniotic fluid; Cytokine; Intra-amniotic inflammation; Lateral flow-based immunoassay; Late PPROM; Microbial invasion of the amniotic cavity; Noninvasive procedure; Preterm delivery; Rapid test

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