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Fetal compromise

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https://www.readbyqxmd.com/read/29901645/minor-physical-anomalies-in-adolescents-at-risk-for-substance-use-and-early-sex
#1
Meng-Che Tsai, Chih-Ting Lee, I-Ning Tsai, Shu-Ting Gan, Yi-Lin Liang, Sheng-Hsiang Lin
Minor physical anomalies (MPAs) are associated with disruptions of fetal development. We propose that the same genetic compositions that contribute to the presence of MPAs, also predispose individuals to health-compromising behaviors, thus considering MPAs as particular endophenotypes.We developed a screening questionnaire for problematic conduct, substance abuse, and early sexual practice. A total of 108 adolescents (55 males, 50.9%) aged 11 to 19 years were recruited and further divided into case and control groups according to their answers to the questions of health behaviors mentioned above...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29898912/giant-choledochal-cyst-presenting-during-third-trimester-of-pregnancy
#2
Jesus Morales-Maza, Jorge Humberto Rodríguez-Quintero, Sonia Cortés-Vázquez, Luis Cruz-Benítez
Biliary cystic disease is a rare entity. Twenty-five per cent of cases are diagnosed during adulthood and only a few reports have described this condition during pregnancy, where it represents a therapeutic challenge for both obstetricians and surgeons with regard to the risks it entails for the patient and the fetus.Definitive management is surgical resection, as cysts may progress to malignancy if untreated. During pregnancy, resection is generally deferred to after delivery, especially in the context of suspected cholangitis...
June 13, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29883952/pre-and-postnatal-exposure-of-mice-to-concentrated-urban-pm-2-5-decreases-the-number-of-alveoli-and-leads-to-altered-lung-function-at-an-early-stage-of-life
#3
Thais de Barros Mendes Lopes, Espen E Groth, Mariana Veras, Tatiane K Furuya, Natalia de Souza Xavier Costa, Gabriel Ribeiro Júnior, Fernanda Degobbi Lopes, Francine M de Almeida, Wellington V Cardoso, Paulo Hilario Nascimento Saldiva, Roger Chammas, Thais Mauad
Gestational exposure to air pollution is associated with negative outcomes in newborns and children. In a previous study, we demonstrated a synergistic negative effect of pre- and postnatal exposure to PM2.5 on lung development in mice. However, the means by which air pollution affects development of the lung have not yet been identified. In this study, we exposed pregnant BALB/c mice and their offspring to concentrated urban PM2.5 (from São Paulo, Brazil; target dose 600 μg/m3 for 1 h daily). Exposure was started on embryonic day 5...
June 4, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29879462/pravastatin-l-arginine-combination-improves-umbilical-artery-blood-flow-and-neonatal-outcomes-in-dichorionic-twin-pregnancies-through-an-nitric-oxide-dependent-vasorelaxant-effect
#4
Aleksandar Jurisic, Zaklina Jurisic, Eleftheria Lefkou, Joaquim Pombo, Guillermina Girardi
The increase in fetal and neonatal morbidity and mortality associated with twin pregnancies correlates with an increased risk of preterm delivery, low birth weight, and intrauterine growth restriction (IUGR). Although the pathogenesis of IUGR is unclear and thus management remains a major challenge, feto-placental blood vessels are compromised, and altered umbilical blood flow is observed. In this pilot observational study we investigated the effects of pravastatin plus l-arginine on umbilical artery (umb art) blood flow...
June 4, 2018: Vascular Pharmacology
https://www.readbyqxmd.com/read/29868008/plasma-cell-alloantigen-1-and-il-10-secretion-define-two-distinct-peritoneal-b1a-b-cell-subsets-with-opposite-functions-pc1-high-cells-being-protective-and-pc1-low-cells-harmful-for-the-growing-fetus
#5
Anne Schumacher, Stefanie Ehrentraut, Markus Scharm, Hongsheng Wang, Roland Hartig, Herbert C Morse, Ana Claudia Zenclussen
B cells possess various immuno regulatory functions. However, research about their participation in tolerance induction toward the fetus is just emerging. Accumulating evidence supports the idea that B cells can play seemingly conflicting roles during pregnancy, either protecting or harming the fetus. Previous findings indicated the presence of two different peritoneal B cell subsets, defined by the expression of the plasma cell alloantigen 1 (PC1) and with distinct immune modulatory functions. Here, we aimed to study the participation of these two B cell subsets, on pregnancy outcome in a murine model of disturbed fetal tolerance...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29788824/activation-of-ampk-in-human-placental-explants-impairs-mitochondrial-function-and-cellular-metabolism
#6
Daphne Landau, Maricela Haghiac, Judi Minium, Yelenna Skomorovska-Prokvolit, Virtu Calabuig-Navarro, Perrie O'Tierney-Ginn
OBJECTIVE: Adenosine monophosphate-activated protein kinase (AMPK) is a cellular energy sensor whose phosphorylation increases energy production. We sought to evaluate the placenta-specific effect of AMPK activation on the handling of nutrients required for fetal development. METHODS: Explants were isolated from term placenta of 29 women (pregravid body mass index: 29.1 ± 9.9 kg/m2 ) and incubated for 24 hours with 0 to 100 µmol/L resveratrol or 0 to 1 mmol/L of 5-aminoimidazole-4-carboxyamide ribonucleoside (AICAR)...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29770967/developmental-programming-of-renal-function-nephron-endowment-and-beyond
#7
Andrew G Woodman, Stephane L Bourque
In the face of adversity, the fetal kidney doesn't fare well. When resources are limiting due to pregnancy complications such as placental insufficiency, maternal hypoxia, or nutrient deficiencies, kidney development is often compromised, showing signs of reduced growth, defective nephrogenesis, and abnormal morphology. This article is protected by copyright. All rights reserved.
May 17, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29757392/thyroid-function-in-early-pregnancy-child-iq-and-autistic-traits-a-meta-analysis-of-individual-participant-data
#8
Deborah Levie, Tim I M Korevaar, Sarah C Bath, Albert Dalmau-Bueno, Mario Murcia, Mercedes Espada, Mariana Dineva, Jesús M Ibarluzea, Jordi Sunyer, Henning Tiemeier, Marisa Rebagliato, Margaret P Rayman, Robin P Peeters, Mònica Guxens
Context: Low maternal free thyroxine (FT4) has been associated with poor child neurodevelopment in some single-centre studies. Evidence remains scarce for potential adverse effects of high FT4 and whether associations differ in countries with a different iodine status. Objective: To assess the association of maternal thyroid function in early pregnancy with child neurodevelopment in countries with a different iodine status. Design, Setting and Participants: Meta-analysis of individual-participant data compromising 9,036 mother-child pairs from three prospective population-based birth cohorts: INMA (Spain), Generation R (The Netherlands) and ALSPAC (United Kingdom)...
May 10, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29747649/effects-and-molecular-mechanisms-of-intrauterine-infection-inflammation-on-lung-development
#9
Jiarong Pan, Canyang Zhan, Tianming Yuan, Weiyan Wang, Ying Shen, Yi Sun, Tai Wu, Weizhong Gu, Lihua Chen, Huimin Yu
BACKGROUND: Intrauterine infection/inflammation plays an important role in the development of lung injury and bronchopulmonary dysplasia (BPD) in preterm infants, While a multifactorial genesis is likely, mechanisms involved in BPD after intrauterine infection/inflammation are largely unknown. Recent studies have suggested microRNAs (miRNAs) are likely to play a role. Therefore, this study aimed to study the effects and mechanisms of intrauterine infection/inflammation on lung development, and to identify miRNAs related to lung injury and BPD...
May 10, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29746604/a-description-of-externally-recorded-womb-sounds-in-human-subjects-during-gestation
#10
Joanna J Parga, Robert Daland, Kalpashri Kesavan, Paul M Macey, Lonnie Zeltzer, Ronald M Harper
OBJECTIVE: Reducing environmental noise benefits premature infants in neonatal intensive care units (NICU), but excessive reduction may lead to sensory deprivation, compromising development. Instead of minimal noise levels, environments that mimic intrauterine soundscapes may facilitate infant development by providing a sound environment reflecting fetal life. This soundscape may support autonomic and emotional development in preterm infants. We aimed to assess the efficacy and feasibility of external non-invasive recordings in pregnant women, endeavoring to capture intra-abdominal or womb sounds during pregnancy with electronic stethoscopes and build a womb sound library to assess sound trends with gestational development...
2018: PloS One
https://www.readbyqxmd.com/read/29744013/pregnancy-in-women-with-cardiovascular-diseases
#11
REVIEW
Karolina Adam
Patients with cardiovascular disease represent a significant cohort at risk for complications during pregnancy. The normal physiologic changes of pregnancy could further compromise the hemodynamics of various cardiovascular conditions, resulting in clinical deterioration and even death. The fetus of a gravida with cardiovascular disease also has an increased risk of morbidity, including an increased risk of inherited cardiac genetic disorders, fetal growth restriction, and premature delivery. These complications also increase the risk for antenatal and perinatal mortality...
October 2017: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/29723064/cell-free-hemoglobin-in-the-fetoplacental-circulation-a-novel-cause-of-fetal-growth-restriction
#12
Adam Brook, Annie Hoaksey, Rekha Gurung, Edward E C Yoong, Rosanna Sneyd, Georgia C Baynes, Helen Bischof, Sarah Jones, Lucy E Higgins, Carolyn Jones, Susan L Greenwood, Rebecca L Jones, Magnus Gram, Ingrid Lang, Gernot Desoye, Jenny Myers, Henning Schneider, Stefan R Hansson, Ian P Crocker, Paul Brownbill
Cell free hemoglobin impairs vascular function and blood flow in adult cardiovascular disease. In this study, we investigated the hypothesis that free fetal hemoglobin (fHbF) compromises vascular integrity and function in the fetoplacental circulation, contributing to the increased vascular resistance associated with fetal growth restriction (FGR). Women with normal and FGR pregnancies were recruited and their placentas collected freshly postpartum. FGR fetal capillaries showed evidence of erythrocyte vascular packing and extravasation...
May 3, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29706161/the-epigenetic-clock-at-birth-associations-with-maternal-antenatal-depression-and-child-psychiatric-problems
#13
Anna Suarez, Jari Lahti, Darina Czamara, Marius Lahti-Pulkkinen, Anna K Knight, Polina Girchenko, Esa Hämäläinen, Eero Kajantie, Jari Lipsanen, Hannele Laivuori, Pia M Villa, Rebecca M Reynolds, Alicia K Smith, Elisabeth B Binder, Katri Räikkönen
OBJECTIVE: Maternal antenatal depression may compromise the fetal developmental milieu and contribute to individual differences in aging and disease trajectories in later life. We evaluated the association between maternal antenatal depression and a novel biomarker of aging at birth, namely epigenetic gestational age (GA) based on fetal cord blood methylation data. We also examined whether this biomarker prospectively predicts and mediates maternal effects on early childhood psychiatric problems...
May 2018: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/29694994/predicting-the-future-delivery-room-planning-of-congenital-heart-disease-diagnosed-by-fetal-echocardiography
#14
Mary T Donofrio
Advances in prenatal imaging have improved the examination of the fetal cardiovascular system. Fetal echocardiography facilitates the prenatal diagnosis of congenital heart disease (CHD) and through sequential examination, allows assessment of fetal cardiac hemodynamics, predicting the evolution of anatomical and functional cardiovascular abnormalities in utero and during the transition to a postnatal circulation at delivery. This approach allows detailed diagnosis with prenatal counseling and enables planning to define perinatal management, selecting the fetuses at a risk of postnatal hemodynamic instability who are likely to require a specialized delivery plan...
May 2018: American Journal of Perinatology
https://www.readbyqxmd.com/read/29685078/prelabour-myocardial-deformation-and-cardiac-output-in-fetuses-that-develop-intrapartum-compromise-at-term-a-prospective-observational-study
#15
Amal A Alsolai, Larissa N Bligh, Ristan M Greer, Alexander Gooi, Sailesh Kumar
OBJECTIVE: Redistribution of cardiac output is responsible for the "brain sparing" effect seen during periods of acute or chronic fetal stress. We investigated the relationship between prelabour cardiac function in fetuses that subsequently developed intrapartum fetal compromise (IFC). METHODS: A blinded, prospective, observational, cohort study, at Mater Mother's Hospital, Brisbane, Australia. A cohort of 284 women with uncomplicated singleton pregnancies underwent ultrasound every 2 weeks from 36 weeks until delivery...
May 9, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29684311/tfam-is-required-for-maturation-of-the-fetal-and-adult-intestinal-epithelium
#16
Manasa Srivillibhuthur, Bailey N Warder, Natalie H Toke, Pooja P Shah, Qiang Feng, Nan Gao, Edward M Bonder, Michael P Verzi
During development, the embryo transitions from a metabolism favoring glycolysis to a metabolism favoring mitochondrial respiration. How metabolic shifts regulate developmental processes, or how developmental processes regulate metabolic shifts, remains unclear. To test the requirement of mitochondrial function in developing endoderm-derived tissues, we genetically inactivated the mitochondrial transcription factor, Tfam, using the Shh-Cre driver. Tfam mutants did not survive postnatally, exhibiting defects in lung development...
July 15, 2018: Developmental Biology
https://www.readbyqxmd.com/read/29679053/pregnancy-associated-diamine-oxidase-originates-from-extravillous-trophoblasts-and-is-decreased-in-early-onset-preeclampsia
#17
Philipp Velicky, Karin Windsperger, Karin Petroczi, Sophie Pils, Birgit Reiter, Tamara Weiss, Sigrid Vondra, Robin Ristl, Sabine Dekan, Christian Fiala, David E Cantonwine, Thomas F McElrath, Bernd Jilma, Martin Knöfler, Thomas Boehm, Jürgen Pollheimer
Human extravillous trophoblast (EVT) invasion of the pregnant uterus constitutes a pivotal event for the establishment of the maternal-fetal interface. Compromised EVT function manifesting in inadequate arterial remodeling is associated with the severe pregnancy disorder early-onset preeclampsia (eoPE). Recent studies suggest that EVTs invade the entire uterine vasculature including arteries, veins and lymphatics in the first trimester of pregnancy. We therefore hypothesized that EVT-derived factors accumulate in the circulation of pregnant women early in gestation and may serve to predict eoPE...
April 20, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29622577/analysis-of-caesarean-sections-using-robson-10-group-classification-system-in-a-university-hospital-in-eastern-ethiopia-a-cross-sectional-study
#18
Abera Kenay Tura, Olga Pijpers, Myrna de Man, Myrthe Cleveringa, Ingeborg Koopmans, Tadesse Gure, Jelle Stekelenburg
OBJECTIVE: To analyse caesarean section (CS) using Robson 10-group classification system in an Ethiopian university hospital. DESIGN: Cross-sectional study. SETTING: A university hospital in eastern, Ethiopia. PARTICIPANTS: 980 women who underwent CS from January 2016 to April 2017. MAIN OUTCOME: Robson groups (1-10-based on gestational age, fetal presentation, number of fetus, onset of labour and history of CS) and indications for CS...
April 4, 2018: BMJ Open
https://www.readbyqxmd.com/read/29606355/fetal-neuropathology-in-zika-virus-infected-pregnant-female-rhesus-monkeys
#19
Amanda J Martinot, Peter Abbink, Onur Afacan, Anna K Prohl, Roderick Bronson, Jonathan L Hecht, Erica N Borducchi, Rafael A Larocca, Rebecca L Peterson, William Rinaldi, Melissa Ferguson, Peter J Didier, Deborah Weiss, Mark G Lewis, Rafael A De La Barrera, Edward Yang, Simon K Warfield, Dan H Barouch
The development of interventions to prevent congenital Zika syndrome (CZS) has been limited by the lack of an established nonhuman primate model. Here we show that infection of female rhesus monkeys early in pregnancy with Zika virus (ZIKV) recapitulates many features of CZS in humans. We infected 9 pregnant monkeys with ZIKV, 6 early in pregnancy (weeks 6-7 of gestation) and 3 later in pregnancy (weeks 12-14 of gestation), and compared findings with uninfected controls. 100% (6 of 6) of monkeys infected early in pregnancy exhibited prolonged maternal viremia and fetal neuropathology, including fetal loss, smaller brain size, and histopathologic brain lesions, including microcalcifications, hemorrhage, necrosis, vasculitis, gliosis, and apoptosis of neuroprogenitor cells...
May 17, 2018: Cell
https://www.readbyqxmd.com/read/29604064/altered-autonomic-control-of-heart-rate-variability-in-the-chronically-hypoxic-fetus
#20
C J Shaw, B J Allison, N Itani, K J Botting, Y Niu, C C Lees, D A Giussani
KEY POINTS: Fetal heart rate variability (FHRV) has long been recognised as a powerful predictor of fetal wellbeing, and a decrease in FHRV is associated with fetal compromise. However, the mechanisms by which FHRV is reduced in the chronically hypoxic fetus have yet to be established. The sympathetic and parasympathetic influences on heart rate mature at different rates throughout fetal life, and can be assessed by time domain and power spectral analysis of FHRV. In this study of chronically instrumented fetal sheep in late gestation, we analysed FHRV daily over a 16 day period towards term, and compared changes between fetuses of control and chronically hypoxic pregnancy...
March 31, 2018: Journal of Physiology
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