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https://www.readbyqxmd.com/read/29454298/is-the-biparietal-diameter-of-fetuses-in-late-gestation-too-variable-to-predict-readiness-for-cesarean-section-in-dogs
#1
K G M De Cramer, J O Nöthling
Correct assessment of readiness for cesarean section is essential for timing elective cesarean section during late pregnancy in the bitch. In humans, biparietal diameter is sufficiently precise and accurate and used in a clinical setting daily. The objectives of this study were to determine whether fetal biparietal diameter in late gestation in the dog could be used to predict readiness for cesarean section by having reached a minimum cut-off value and to correlate the biparietal diameter to birth weight. The biparietal diameter of 208 puppies in 34 litters from 31 English bulldog bitches and 660 puppies in 78 litters from 70 Boerboel bitches were measured immediately after delivery by cesarean section, performed at full term, using digital calipers...
February 10, 2018: Theriogenology
https://www.readbyqxmd.com/read/29454127/neurosurgery-on-a-pregnant-woman-with-post-mortem-fetal-extrusion-an-unusual-case-from-medieval-italy
#2
REVIEW
Alba Pasini, Vanessa Samantha Manzon, Xabier Gonzalez-Muro, Emanuela Gualdi-Russo
Trepanation is one of the most ancient and applied surgical treatments; several archaeologically documented cases are known, dated back from Prehistory to the Middle ages. This case study reports the anthropological analysis of the skeletal remains of a young medieval woman and a fetus (Imola, Italy). The fetal remains were laid between her pelvis and lower limbs. A perforating injury was observed to her frontal bone. After assessing biological profiles, we attempted to interpret the injury and to reconstruct possible circumstances of death...
February 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29454125/management-of-skull-base-tumors-in-the-obstetric-population-a-case-series
#3
Blake H Priddy, Bradley A Otto, Ricardo L Carrau, Daniel M Prevedello
BACKGROUND: Neoplasms rarely present during pregnancy. However, increase in plasma volume, hormone release induced growth, and tumor hypervascularity, can cause rapid symptoms. These range from not requiring intervention to necessitating emergent operations. OBJECTIVE: We describe an algorithm for the management of symptomatic neoplasm in the obstetric population, and provide recommendations regarding surgical indications and timing. METHODS: Patients who presented to a skull base clinic from 2010-2016 at large tertiary care hospital were reviewed to identify patients who presented with a skull base tumor during pregnancy...
February 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29454089/genome-wide-gene-expression-analysis-of-45-days-pregnant-fetal-cotyledons-vis-a-vis-non-pregnant-caruncles-in-buffalo-bubalus-bubalis
#4
Masoud Lotfan, Syed Azmal Ali, Munnalal Yadav, Suman Chuadhary, Manoj Kumar Jena, Sudarshan Kumar, Ashok Kumar Mohanty
The crosstalk between fetus and mother starts with the onset of placental attachment to the uterus. The cotyledons and caruncles are the two anatomically distinct structures that play a crucial role in this physiological communication. Using Agilent Gene Chip Genome microarray, we measured the expression profile of pregnancy cotyledons in comparison to caruncular reminiscence of the uteri in non-pregnant buffalo (Bubalus bubalis) for the detection of the early post-pregnancy rapid changes in cellular expression of mRNA transcripts...
February 14, 2018: Gene
https://www.readbyqxmd.com/read/29453736/reproductive-epidemiology-of-glial-tumors-may-reveal-novel-treatments-high-dose-progestins-or-progesterone-antagonists-as-endocrino-immune-modifiers-against-glioma
#5
REVIEW
Meric A Altinoz, Aysel Ozpinar, Ilhan Elmaci
Female gender, contraceptives, and menopausal hormone replacement treatments containing progesterone analogues associate with higher risk of meningiomas yet with lower risk of gliomas. Progesterone receptor (PR) expression and mifepristone treatment was highly discussed for meningiomas. However, much less is known in regard to progesterone actions in gliomas despite PR expression strongly correlates with their grade. Meningiomas and gliomas may grow faster during gestation; but paradoxically, parousity reduces lifetime risk of gliomas which can be explained with dichotomous cell growth-stimulating and inhibitory actions of progesterone at low versus high levels...
February 17, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/29452885/somatolactogens-and-diabetic-retinopathy
#6
REVIEW
Kevin Christian Bermea, Alejandro Rodríguez-García, Andrew Tsin, Hugo Alberto Barrera-Saldaña
IMPORTANCE: Diabetic retinopathy (DR) is one of the most common of all diabetic complications. The number of people with DR in the United States is expected to increase to 16 million by 2050. DR is the leading cause of blindness among working-age adults in many different countries, including the United States. In later DR stages, neovascularization is associated with extensive retinal capillary non-perfusion and vitreo-proliferation leading to retinal detachment. This neovascularization is orchestrated by an imbalance of growth factors in the retina from which somatolactogens (pituitary growth hormone, GH-N; placental growth hormone, GH-V; prolactin, PRL; and placental lactogen, PL, also referred as chorionic somatomammotropin, CSH), may play an important role...
February 6, 2018: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/29450942/multivariate-analysis-of-cytokine-profiles-in-pregnancy-complications
#7
Fawaz Azizieh, Kamaludin Dingle, Raj Raghupathy, Kjell Johnson, Jacob VanderPlas, Ali Ansari
PROBLEM: The immunoregulation to tolerate the semiallogeneic fetus during pregnancy includes a harmonious dynamic balance between anti- and pro-inflammatory cytokines. Several earlier studies reported significantly different levels and/or ratios of several cytokines in complicated pregnancy as compared to normal pregnancy. However, as cytokines operate in networks with potentially complex interactions, it is also interesting to compare groups with multi-cytokine data sets, with multivariate analysis...
March 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29450771/fetal-exposure-markers-of-dioxins-and-dioxin-like-pcbs
#8
Erik Lampa, Akifumi Eguchi, Emiko Todaka, Chisato Mori
Fetal exposure to polychlorinated biphenyls (PCBs), polychlorinated-p-dibenzodioxins (PCDDs), and polychlorinated dibenzofurans (PCDFs) have been associated with a number of adverse health outcomes. Although the placenta acts as a barrier between the mother and the fetus, these contaminants transfer through the placenta exposing the fetus. Several studies have investigated placental transfer, but few have assessed the co-variation among these contaminants. Maternal blood, cord blood, and cord tissue were collected from 41 Japanese mother-infant pairs and analyzed for dioxin-like PCBs and PCDD/Fs...
February 15, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29449662/assessment-of-interaction-between-maternal-polycyclic-aromatic-hydrocarbons-exposure-and-genetic-polymorphisms-on-the-risk-of-congenital-heart-diseases
#9
Nana Li, Yi Mu, Zhen Liu, Ying Deng, Yixiong Guo, Xuejuan Zhang, Xiaohong Li, Ping Yu, Yanping Wang, Jun Zhu
The major causes of congenital heart diseases (CHDs) are the interactions of genetic and environmental factors. We conducted a case-control study in 357 mothers of CHDs fetuses and 270 control mothers to investigate the association of maternal PAHs exposure, AHR, CYP1A1, CYP1A2, CYP1B1 and CYP2E polymorphisms, the interaction between PAHs exposure and genetic variants with the risk of CHDs. The higher level PAHs exposure was associated with the risk of CHDs (aOR = 2.029, 95% CI: 1.266, 3.251) or subtypes. The haplotypes of AHR or CYP1A2 were associated with the risk of CHDs: AHR: C-G-A-C: aOR = 0...
February 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29448128/hubs-in-the-human-fetal-brain-network
#10
Marion I van den Heuvel, Elise Turk, Janessa H Manning, Jasmine Hect, Edgar Hernandez-Andrade, Sonia S Hassan, Roberto Romero, Martijn P van den Heuvel, Moriah E Thomason
Advances in neuroimaging and network analyses have lead to discovery of highly connected regions, or hubs, in the connectional architecture of the human brain. Whether these hubs emerge in utero, has yet to be examined. The current study addresses this question and aims to determine the location of neural hubs in human fetuses. Fetal resting-state fMRI data (N = 105) was used to construct connectivity matrices for 197 discrete brain regions. We discovered that within the connectional functional organization of the human fetal brain key hubs are emerging...
February 6, 2018: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29448014/intrauterine-inflammation-reduces-postnatal-neurogenesis-in-the-hippocampal-subgranular-zone-and-leads-to-accumulation-of-hilar-ectopic-granule-cells
#11
Michael S Hester, Natalia Tulina, Amy Brown, Guillermo Barila, Michal A Elovitz
Prenatal inflammation is associated with poor neurobehavioral outcomes in exposed offspring. A common route of exposure for the fetus is intrauterine infection, which is often associated with preterm birth. Hippocampal development may be particularly vulnerable to an inflammatory insult during pregnancy as this region remains highly neurogenic both prenatally and postnatally. These studies sought to determine if intrauterine inflammation specifically altered hippocampal neurogenesis and migration of newly produced granule neurons during the early postnatal period...
February 12, 2018: Brain Research
https://www.readbyqxmd.com/read/29447823/exit-ex-utero-intrapartum-treatment-in-a-growth-restricted-fetus-with-tracheal-atresia
#12
S Kyle Gonzales, Steven Goudy, Kara Prickett, Jane Ellis
Congenital high airway obstruction syndrome (CHAOS) encompasses a heterogeneous group of pathologies leading to poor lung development and difficulty oxygenating the newborn after delivery. While previously uniformly fatal, the ex utero intrapartum therapy (EXIT) procedure has provided a method to treat these patients and provide an airway to potentiate survival. We present a patient diagnosed prenatally with CHAOS secondary to tracheal atresia complicated by severe intra-uterine growth restriction (IUGR) who was successfully delivered via an EXIT procedure at 33-weeks...
February 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29447367/endometrial-natural-killer-nk-cells-reveal-a-tissue-specific-receptor-repertoire
#13
D Feyaerts, T Kuret, B van Cranenbroek, S van der Zeeuw-Hingrez, O W H van der Heijden, A van der Meer, I Joosten, R G van der Molen
STUDY QUESTION: Is the natural killer (NK) cell receptor repertoire of endometrial NK (eNK) cells tissue-specific? SUMMARY ANSWER: The NK cell receptor (NKR) expression profile in pre-pregnancy endometrium appears to have a unique tissue-specific phenotype, different from that found in NK cells in peripheral blood, suggesting that these cells are finely tuned towards the reception of an allogeneic fetus. WHAT IS KNOWN ALREADY: NK cells are important for successful pregnancy...
February 13, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29447203/quantification-of-fetal-organ-volume-and-fat-deposition-following-in-utero-exposure-to-maternal-western-diet-using-mri
#14
Kevin J Sinclair, Lanette J Friesen-Waldner, Colin M McCurdy, Curtis N Wiens, Trevor P Wade, Barbra de Vrijer, Timothy R H Regnault, Charles A McKenzie
PURPOSE: To examine the feasibility of using MRI to identify differences in liver size and fat deposition in fetal guinea pigs exposed to an in utero environment influenced by maternal consumption of a Western diet. MATERIALS AND METHODS: Female guinea pigs fed either an energy-dense Western Diet (WD), comprised of increased saturated fats and simple sugars, or a Control Diet (CD) from weaning through pregnancy, underwent MR scanning near term (~ 60 days; term ~ 69 days)...
2018: PloS One
https://www.readbyqxmd.com/read/29447091/obesity-in-pregnancy-a-comparison-of-four-national-guidelines
#15
Dana Vitner, Kristin Harris, Cynthia Maxwell, M D Farine
BACKGROUND: Obesity in pregnancy has become one of the most important challenges in obstetrical care given its prevalence and potential adverse impact on both mother and fetus. The primary objective of this descriptive review is to identify common themes and distinctions within the current recommendations for maternal obesity in the most updated version of four published national guidelines. METHODS: We reviewed the following guidelines for obesity in pregnancy: American College of Obstetricians and Gynecologists (ACOG) 2015, Royal Australian and New Zealand College of Obstetricians and Gynecologists (RANZCOG) 2013, Royal College of Obstetrics and Gynecology (RCOG) 2010, and Society of Obstetrics and Gynecologists of Canada (SOGC) 2010...
February 15, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29447027/current-knowledge-of-transient-hypothyroxinemia-of-prematurity-to-treat-or-not-to-treat
#16
Shigeo Iijima
Thyroid hormones (THs) play a critical role in normal maturation of the developing brain in the fetus and infant. Continuing advances in neonatal medicine have contributed to an increased survival of extremely premature infants with neonatal morbidities. In these infants, thyroid system immaturities, as well as morbidity-related thyroid dysfunction, contribute to transient hypothyroxinemia of prematurity (THOP), which is characterized by very low total and free thyroxine and normal or low thyroid stimulating hormone (TSH) levels...
February 15, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29446815/fetoplacental-malformations-and-abnormalities-a-retrospective-analysis-of-398-cases
#17
Sana Ben Slama, Leila Mebazaa, Dhouha Bacha, Saadia Bouraoui, Sabeh Mzabi-Regaya, Ahlem Lahmar
BACKGROUND: The fetoplacental examination is actually very important and sometimes necessary to confirm or correct prenatal diagnosis. AIM: to deduce a list of indications of fetoplacental examination and to determine the type and frequency of malformations found. METHODS: a retrospective study including 398 consecutive fetoplacental examinations, including abortions, stillbirths and children died perinatally. The cases were referred in the department of pathology of the M...
March 2017: La Tunisie Médicale
https://www.readbyqxmd.com/read/29445450/prevention-of-influenza-related-illness-in-young-infants-by-maternal-vaccination-during-pregnancy
#18
REVIEW
Marta C Nunes, Shabir A Madhi
The influenza virus circulates yearly and causes global epidemics. Influenza infection affects all age groups and causes mild to severe illness, and young infants are at particular risk for serious disease. The most effective measure to prevent influenza disease is vaccination; however, no vaccine is licensed for use in infants younger than 6 months old. Thus, there is a crucial need for other preventive strategies in this high-risk age group. Influenza vaccination during pregnancy protects both the mothers and the young infants against influenza infection...
2018: F1000Research
https://www.readbyqxmd.com/read/29445311/fetal-growth-restriction-in-rural-bangladesh-a-prospective-study
#19
Farzana Ferdous, Md Harunor Rashid, Enbo Ma, Rubhana Raqib, Hiromi Hamada, Yukiko Wagatsuma
Background: Fetal growth restriction (FGR) and low birth weight(LBW) are serious public health problems. In developing countries, the incidence of low birth weight is predominantly the result of FGR, and both low birth weight and FGR are associated with neonatal death and later growth and development. Fetal growth charts are important for assessing the size of the fetus during pregnancy. The aims of this study were to describe the fetal growth pattern of a population in rural Bangladesh where maternal undernutrition is prevalent and to compare the timing of FGR in that population with WHO and INTERGROWTH- 21st international reference values...
2018: Tropical Medicine and Health
https://www.readbyqxmd.com/read/29445126/egfr-controls-bone-development-by-negatively-regulating-mtor-signaling-during-osteoblast-differentiation
#20
Markus Linder, Manfred Hecking, Elisabeth Glitzner, Karin Zwerina, Martin Holcmann, Latifa Bakiri, Maria Grazia Ruocco, Jan Tuckermann, Georg Schett, Erwin F Wagner, Maria Sibilia
Mice deficient in epidermal growth factor receptor (Egfr -/- mice) are growth retarded and exhibit severe bone defects that are poorly understood. Here we show that EGFR-deficient mice are osteopenic and display impaired endochondral and intramembranous ossification resulting in irregular mineralization of their bones. This phenotype is recapitulated in mice lacking EGFR exclusively in osteoblasts, but not in mice lacking EGFR in osteoclasts indicating that osteoblasts are responsible for the bone phenotype...
February 14, 2018: Cell Death and Differentiation
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