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amniotic fluid measurements

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https://www.readbyqxmd.com/read/29030170/in-utero-negativization-of-zika-virus-in-a-case-with-serious-central-nervous-system-abnormalities
#1
Carlota Rodó, Anna Suy, Elena Sulleiro, Antoni Soriano-Arandes, Andrés Antón, Itziar García, Silvia Arévalo, Élida Vázquez, Ana Vázquez, Fernando de Ory, M Paz Sánchez-Seco, Carlos Rodrigo, Tomás Pumarola, Elena Carreras
OBJECTIVES: To describe a case of a pregnant woman with Zika virus infection and severe fetal brain malformations. METHODS: Serial ultrasound measurements, fetal magnetic resonance imaging results, laboratory and amniocentesis results, and perinatal outcomes of the pregnant woman and her neonate are reported. RESULTS: Zika virus tested positive in amniotic fluid at 19 weeks while being negative at delivery. The newborn did not meet the case definition of congenital Zika virus syndrome because neither the Zika virus RNA nor immunoglobulin M antibodies were detected; however, prenatal brain lesions were confirmed after birth...
October 10, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29016591/caesarean-section-during-second-stage-of-labor-in-a-tertiary-centre
#2
Padma Gurung, Sameer Malla, Sushma Lama, Anagha Malla, Alka Singh
BACKGROUND: There is an alarming rise in caesarean section leading to increased adverse outcomes for both the mother and fetus when compared with vaginal delivery. Within this increasing caesarean section rate, there is a concerning increase in the rate of second stage caesarean section. This study highlight the feto-maternal outcome of caesarean section in second stage of labour. METHODS: This was a retrospective cohort review of all women with a singleton, cephalic fetus at term delivered by caesarean section in the second stage of labor between April 1, 2013 and March 30, 2017 at Patan Academy of Health Sciences...
September 8, 2017: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28965779/pregnancy-exposure-to-quetiapine-therapeutic-drug-monitoring-in-maternal-blood-amniotic-fluid-and-cord-blood-and-obstetrical-outcomes
#3
Michael Paulzen, Tamme W Goecke, Maxim Kuzin, Marc Augustin, Gerhard Gründer, Georgios Schoretsanitis
RATIONALE: This prospective study is the first to measure and correlate quetiapine concentrations in maternal blood, amniotic fluid and umbilical cord blood to account for the distribution of quetiapine. METHODS: Concentrations of quetiapine are quantified in seven mother infant pairs at the time of delivery. Data are provided as median values, first (Q1) and third (Q3) quartiles and ranges. To account for the penetration ratio, the concentration of quetiapine in amniotic fluid and cord blood was divided by maternal concentrations...
September 28, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28873045/gadolinium-chelate-safety-in-pregnancy-barely-detectable-gadolinium-levels-in-the-juvenile-nonhuman-primate-after-in-utero-exposure
#4
Joao Prola-Netto, Mark Woods, Victoria H J Roberts, Elinor L Sullivan, Christina Ann Miller, Antonio E Frias, Karen Y Oh
Purpose To determine whether gadolinium remains in juvenile nonhuman primate tissue after maternal exposure to intravenous gadoteridol during pregnancy. Materials and Methods Gravid rhesus macaques and their offspring (n = 10) were maintained, as approved by the institutional animal care and utilization committee. They were prospectively studied as part of a pre-existing ongoing research protocol to evaluate the effects of maternal malnutrition on placental and fetal development. On gestational days 85 and 135, they underwent placental magnetic resonance imaging after intravenous gadoteridol administration...
September 4, 2017: Radiology
https://www.readbyqxmd.com/read/28851489/interfacial-tensiometry-and-dilational-surface-visco-elasticity-of-biological-liquids-in-medicine
#5
REVIEW
V B Fainerman, D V Trukhin, Igor I Zinkovych, R Miller
Dynamic surface tensions and dilational visco-elasticity are easy accessible parameters of liquids. For human body liquids, such as urine, blood serum, amniotic fluid, gastric juice, saliva and others, these parameters are very characteristic for the health status of people. In case of a disease the composition of certain liquids specifically changes and the measured characteristics of dynamic surface tension of the dilational surface elasticity and viscosity reflect these changes in a clear way. Thus, this kind of physico-chemical measurements represent sensitive tools for evaluating the severity of a disease and can serve as control tool for the efficiency of applied therapies...
August 10, 2017: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/28844799/exposure-to-benzophenone-3-and-reproductive-toxicity-a-systematic-review-of-human-and-animal-studies
#6
REVIEW
Marya Ghazipura, Richard McGowan, Alan Arslan, Tanzib Hossain
Hydroxy-4-methoxybenzophenone, also known as benzophenone-3 (BP-3), is a commonly used ultraviolet filter in skincare and as a food additive. Large concentrations of similar phenolic compounds have been detected in urine, amniotic fluid, and placental tissue, thereby raising questions about its impact on reproduction. The objective of this paper was to investigate the reproductive toxicity of BP-3 in humans and animals. In humans, studies showed that high levels of BP-3 exposure could be linked to an increase in male birth weight but a decline in female birth weight and male gestational age...
August 24, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28813455/maternal-serum-c-reactive-protein-concentration-and-intra-amniotic-inflammation-in-women-with-preterm-prelabor-rupture-of-membranes
#7
Ivana Musilova, Marian Kacerovsky, Martin Stepan, Tomas Bestvina, Lenka Pliskova, Barbora Zednikova, Bo Jacobsson
OBJECTIVE: To evaluate maternal serum C-reactive protein (CRP) concentrations in pregnancies complicated by preterm prelabor rupture of membranes (PPROM) in relation to the presence of microbial invasion of the amniotic cavity (MIAC) and/or intra-amniotic inflammation (IAI). METHODS: Two hundred and eighty-seven women with singleton pregnancies complicated by PPROM between 2014 and 2016 were included in this study. Maternal blood and amniotic fluid samples were collected at the time of admission...
2017: PloS One
https://www.readbyqxmd.com/read/28805615/prenatal-diagnosis-of-holoprosencephaly-associated-with-smith-lemli-opitz-syndrome-slos-in-a-46-xx-fetus
#8
André Travessa, Patrícia Dias, Pedro Rocha, Ana Berta Sousa
OBJECTIVE: To show the importance of measuring cholesterol precursor levels in amniotic fluid in all pregnancies with ultrasound features (such as holoprosencephaly) suggestive of Smith-Lemli-Opitz syndrome (SLOS), after exclusion of chromosomal anomalies. CASE REPORT: A 28-year-old woman, gravida 1 para 0, performed chorionic villus sampling for fetal karyotyping at 13 weeks of gestation due to positive combined first trimester screening in a fetus with increased nuchal translucency and suspected holoprosencephaly...
August 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28805106/measuring-fetal-brain-and-lung-transcripts-in-amniotic-fluid-supernatant-a-comparison-of-digital-pcr-and-rt-qpcr-methods
#9
Lisa Hui, Sally Beard, Natalie J Hannan
PURPOSE: Amniotic fluid (AF) cell-free RNA is a promising source of information regarding fetal physiology. Digital PCR (dPCR) is a direct approach to nucleic acid detection that reports absolute transcript copy number. The aim of this study was to compare quantification of cell-free fetal brain and lung RNA transcripts in AF by reverse transcription-qPCR and dPCR. MATERIAL AND METHODS: Prospective hospital-based study performed in 2016-2017. Pulmonary genes were quantified in term AF samples collected at elective cesarean birth; neurodevelopmental genes were measured in preterm samples (< 34 weeks) obtained from women undergoing clinically-indicated amniocentesis...
August 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28782398/perinatal-outcomes-in-uncomplicated-late-preterm-pregnancies-with-borderline-oligohydramnios
#10
Erdem Sahin, Yusuf Madendag, Ahter Tanay Tayyar, Mefkure Eraslan Sahin, Ilknur Col Madendag, Gokhan Acmaz, Deniz Unsal, Vesile Senol
PURPOSE: The purpose of this study is to determine the adverse perinatal outcomes in uncomplicated late preterm pregnancies with borderline oligohydramnios. METHODS: A total of 430 pregnant women with an uncomplicated singleton pregnancy at a gestational age of 34 + 0-36 + 6 weeks were included. Borderline oligohydramnios was defined as an amniotic fluid index (AFI) of 5.1-8 cm, which was measured using the four-quadrant technique. Adverse perinatal outcomes were compared between the borderline and normal AFI groups...
August 16, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28767982/description-of-an-oral-chagas-disease-outbreak-in-venezuela-including-a-vertically-transmitted-case
#11
Belkisyolé Alarcón de Noya, Gladymar Pérez-Chacón, Zoraida Díaz-Bello, Sonia Dickson, Arturo Muñoz-Calderón, Carlos Hernández, Yadira Pérez, Luciano Mauriello, Eyleen Moronta
We describe the eleventh major outbreak of foodborne Trypanosoma cruzi transmission in urban Venezuela, including evidence for vertical transmission from the index case to her fetus. After confirming fetal death at 24 weeks of gestation, pregnancy interruption was performed. On direct examination of the amniotic fluid, trypomastigotes were detected. T. cruzi specific-polymerase chain reaction (PCR) also proved positive when examining autopsied fetal organs. Finally, microscopic fetal heart examination revealed amastigote nests...
August 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28754700/segregation-of-mitochondrial-dna-mutations-in-the-human-placenta-implication-for-prenatal-diagnosis-of-mtdna-disorders
#12
Pauline Vachin, Elodie Adda-Herzog, Gihad Chalouhi, Caroline Elie, Marlène Rio, Sophie Rondeau, Nadine Gigarel, Fabienne Jabot Hanin, Sophie Monnot, Roxana Borghese, Joana Bengoa, Yves Ville, Agnes Rotig, Arnold Munnich, Jean-Paul Bonnefont, Julie Steffann
BACKGROUND: Mitochondrial DNA (mtDNA) disorders have a high clinical variability, mainly explained by variation of the mutant load across tissues. The high recurrence risk of these serious diseases commonly results in requests from at-risk couples for prenatal diagnosis (PND), based on determination of the mutant load on a chorionic villous sample (CVS). Such procedures are hampered by the lack of data regarding mtDNA segregation in the placenta.The objectives of this report were to determine whether mutant loads (1) are homogeneously distributed across the whole placentas, (2) correlate with those in amniocytes and cord blood cells and (3) correlate with the mtDNA copy number...
July 28, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28749998/lc-ms-ms-multiplex-analysis-of-lysosphingolipids-in-plasma-and-amniotic-fluid-a-novel-tool-for-the-screening-of-sphingolipidoses-and-niemann-pick-type-c-disease
#13
Magali Pettazzoni, Roseline Froissart, Cécile Pagan, Marie T Vanier, Séverine Ruet, Philippe Latour, Nathalie Guffon, Alain Fouilhoux, Dominique P Germain, Thierry Levade, Christine Vianey-Saban, Monique Piraud, David Cheillan
BACKGROUND: The biological diagnosis of sphingolipidoses currently relies on the measurement of specific enzymatic activities and/or genetic studies. Lysosphingolipids have recently emerged as potential biomarkers of sphingolipidoses and Niemann-Pick type C in plasma. METHODOLOGY: We developed a sensitive and specific method enabling the simultaneous quantification of lysosphingolipids by LC-MS/MS: lysoglobotriaosylceramide for Fabry disease, lysohexosylceramide (i...
2017: PloS One
https://www.readbyqxmd.com/read/28738706/relationship-between-premature-brain-injury-and-multiple-biomarkers-in-cord-blood-and-amniotic-fluid
#14
Hongyan Lu, Weiling Huang, Xiaoqing Chen, Qiuxia Wang, Qiang Zhang, Ming Chang
PURPOSE: The purpose of this study is to investigate the relationship between premature brain injury and multiple biomarkers in cord blood and amniotic fluid, identify potential biomarkers for early monitoring of premature brain injury. METHODS: One hundred and thirty cases of singleton premature infants with gestational age less than 34 weeks were evaluated. Based on brain imaging examination, all cases were divided into the brain injury group and the no brain injury group...
August 3, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28738557/multielemental-analysis-of-18-essential-and-toxic-elements-in-amniotic-fluid-samples-by-icp-ms-full-procedure-validation-and-estimation-of-measurement-uncertainty
#15
B Markiewicz, A Sajnóg, W Lorenc, A Hanć, I Komorowicz, J Suliburska, R Kocyłowski, D Barałkiewicz
Amniotic fluid is the substantial factor in the development of an embryo and fetus due to the fact that water and solutes contained in it penetrate the fetal membranes in an hydrostatic and osmotic way as well as being swallowed by the fetus. Elemental composition of amniotic fluid influences the growth and health of the fetus, therefore, an analysis of amniotic fluid is important because the results would indicate abnormal levels of minerals or toxic elements. Inductively coupled plasma mass spectroscopy (ICP-MS) is often used for determination of trace and ultra-trace level elements in a wide range of matrices including biological samples because of its unique analytical capabilities...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28724342/periodontal-disease-and-intra-amniotic-complications-in-women-with-preterm-prelabor-rupture-of-membranes
#16
Vladimira Radochova, Ivana Kacerovska Musilova, Martin Stepan, Peter Vescicik, Radovan Slezak, Bo Jacobsson, Marian Kacerovsky
OBJECTIVE: Periodontal disease is frequently suggested as a possible causal factor for preterm delivery. The link between periodontal disease and preterm delivery is a possible translocation of periopathogenic bacteria to the placenta and amniotic fluid as well as a systemic response to this chronic inflammatory disease. However, there is a lack of information on whether there is an association between clinical periodontal status in women with preterm prelabor rupture of membranes (PPROM) and the presence of microbial invasion of the amniotic cavity (MIAC) and intra-amniotic inflammation (IAI)...
July 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28708576/adiponectin-concentration-in-mid-trimester-amniotic-fluid-varies-with-the-%C3%AE-amylase-level-and-maternal-and-neonatal-outcomes
#17
Joseph Chervenak, Mio Sawai, Lamis El Kabab, Rahul Lohana, Daniel Skupski, Steven S Witkin
OBJECTIVE: Factors influencing intraamniotic adiponectin levels and their functional significance remain incompletely elucidated. We prospectively measured adiponectin in amniotic fluid and identified its associations with maternal parameters, mediators in amniotic fluid and pregnancy outcomes. STUDY DESIGN: Mid-trimester amniotic fluid from 571 women was tested for adiponectin, interleukin (IL)-6, IL-8 and α-amylase by enzyme-linked immunosorbant assay (ELISA), after which clinical data were obtained...
July 14, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28708036/amniotic-fluid-cells-show-higher-pluripotency-related-gene-expression-than-allantoic-fluid-cells
#18
Debora Kehl, Melanie Generali, Sabrina Görtz, Diego Geering, Jaroslav Slamecka, Simon P Hoerstrup, Ulrich Bleul, Benedikt Weber
Amniotic fluid represents an abundant source of multipotent stem cells, referred as broadly multipotent given their differentiation potential and expression of pluripotency-related genes. However, the origin of this broadly multipotent cellular fraction is not fully understood. Several sources have been proposed so far, including embryonic and extraembryonic tissues. In this regard, the ovine developmental model uniquely allows for direct comparison of fetal fluid-derived cells from two separate fetal fluid cavities, the allantois and the amnion, over the entire duration of gestation...
October 1, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28705923/maternal-and-female-fetal-testosterone-levels-are-associated-with-maternal-age-and-gestational-weight-gain
#19
Theodora Kunovac Kallak, Charlotte Hellgren, Alkistis Skalkidou, Lotta Sandelin-Francke, Kumari Ubhayasekhera, Jonas Bergquist, Ove Axelsson, Erika Comasco, Rebecca E Campbell, Inger Sundström Poromaa
OBJECTIVE: Prenatal androgen exposure has been suggested to play a role in polycystic ovary syndrome. Given the limited information on what maternal characteristics influence maternal testosterone levels, and the even less explored routes by which female fetus androgen exposure would occur, the aim of this study was to investigate the impact of maternal age, BMI, weight gain, depressed mood and aromatase SNPs on testosterone levels in maternal serum and amniotic fluid of female fetuses...
October 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28693352/transvaginal-sonographic-assessment-of-cervix-in-prediction-of-admission-to-delivery-interval-in-preterm-premature-rupture-of-membranes
#20
Vimala Kathir, Dilip Maurya, Anish Keepanasseril
OBJECTIVE: To assess the usefulness of cervical parameters measured by transvaginal sonography, that is, cervical length and posterior cervical angle, in predicting the admission to delivery interval in women with preterm rupture of membranes. METHODS: This prospective study was conducted in a tertiary care centre in South India. Women with preterm premature rupture of membranes at 28-34 weeks, confirmed clinically, not in labour and presenting within 24 hours to hospital were included...
July 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
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