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Placental thickness

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https://www.readbyqxmd.com/read/29046476/tracking-mesenchymal-stem-cell-contributions-to-regeneration-in-an-immunocompetent-cartilage-regeneration-model
#1
Daniela Zwolanek, María Satué, Verena Proell, José R Godoy, Kathrin I Odörfer, Magdalena Flicker, Sigrid C Hoffmann, Thomas Rülicke, Reinhold G Erben
It is currently controversially discussed whether mesenchymal stem cells (MSC) facilitate cartilage regeneration in vivo by a progenitor- or a nonprogenitor-mediated mechanism. Here, we describe a potentially novel unbiased in vivo cell tracking system based on transgenic donor and corresponding immunocompetent marker-tolerant recipient mouse and rat lines in inbred genetic backgrounds. Tolerance of recipients was achieved by transgenic expression of an immunologically neutral but physicochemically distinguishable variant of the marker human placental alkaline phosphatase (ALPP)...
October 19, 2017: JCI Insight
https://www.readbyqxmd.com/read/29044348/sonographically-abnormal-placenta-an-association-with-an-increased-risk-poor-pregnancy-outcomes
#2
W D Wan Masliza, M Y Bajuri, M R Hassan, N M Naim, A Shuhaila, S Das
BACKGROUND: The placenta is a most interesting but unfortunately often ignored and misunderstood organ. Placental abnormalities, therefore, can be an "early warning system" for fetal problems. A complete prenatal sonographic examination of the placenta is an essential component as its abnormalities can have a direct effect on fetal or maternal outcomes, obstetrical management and future fertility. OBJECTIVE: To determine whether any association exists between the finding of an increased thickness of placenta, abnormal placenta shape, placental calcification, placental lake and abnormal cord insertion site at 20-22 and 30-32 weeks gestation with an increased risk of uteroplacental complications or a poor pregnancy outcome...
September 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/29038043/laparoscopic-excision-of-a-scar-pregnancy-and-isthmocele-repair
#3
Huseyin Kiyak, Lale Susan Wetherilt, Kerem Doga Seckin, Ibrahim Polat, Pınar Kadirogullari, Tolga Karacan
Laparoscopic excision of a scar pregnancy and isthmocele repair with barbed suture Design Step by step explanation of the laparoscopic excision technique of a scar pregnancy and isthmocele repair Setting Cesarean scar pregnancy occurs as a result of attachment of the products of conception to the uterine scar. In the present case, a 34 year old G4 P1 patient with a history of one miscarriage and one ectopic pregnancy was diagnosed with type 2 cesarean scar pregnancy at 7 weeks of gestation. A Dilation & Curretage was performed at the 8th week of gestation to terminate the pregnancy...
October 13, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29028488/prenatal-phthalate-exposure-and-placental-size-and-shape-at-birth-a-birth-cohort-study
#4
Yuan-Duo Zhu, Hui Gao, Kun Huang, Yun-Wei Zhang, Xiu-Xiu Cai, Hui-Yuan Yao, Lei-Jing Mao, Xing Ge, Shan-Shan Zhou, Yuan-Yuan Xu, Zhong-Xiu Jin, Jie Sheng, Shuang-Qin Yan, Wei-Jun Pan, Jia-Hu Hao, Peng Zhu, Fang-Biao Tao
OBJECTIVE: There is concern over the potential placental effects of prenatal phthalate exposure, and the potential adverse effects of prenatal phthalate exposure require further study; however, few data are available in humans. We investigated the associations between phthalate exposure in each trimester and both placental size and shape at birth. METHODS: We measured the urinary concentrations of phthalate metabolites among 2725 pregnant women in the Ma'anshan Birth Cohort...
October 10, 2017: Environmental Research
https://www.readbyqxmd.com/read/28992508/il-37-and-38-signalling-in-gestational-diabetes
#5
Zhiyan Yu, Jun Liu, Rui Zhang, Xinmei Huang, Tiange Sun, Yueyue Wu, Brett D Hambly, Shisan Bao
Gestational diabetes mellitus (GDM) is still a clinical challenge around world. Inflammation contributes to the pathogenesis of GDM, the precise underlying mechanism remains to be explored. IL-37 and 38 play important role in autoimmunity, but their role in the development of GDM is unclear. Using histopathology and immunohistochemistry, the thickness of the umbilical artery, the area of capillaries within the placental chorionic villi, and the production of IL-37/38 were determined. Placental mRNA of IL-37/IL-38 from GDM and Non-GMD was measured using qRT-PCR...
September 28, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/28967076/aflibercept-in-the-management-of-acute-retinal-necrosis-syndrome-related-macular-edema
#6
Leticia Ortega-Evangelio, Javier Navarrete-Sanchis, Basil K Williams, Juan Miguel Tomás-Torrent
PURPOSE: Acute retinal necrosis (ARN) is a panuveitis syndrome that may lead to severe complications such as cystoid macular edema (CME). There is no consensus about the best treatment. We report one case of CME secondary to ARN managed with intravitreal aflibercept. CASE REPORT: A 41-year-old woman with a history of successfully treated varicella-zoster virus-associated ARN developed an epiretinal membrane (ERM) and underwent pars plana vitrectomy, ERM removal, inner limiting membrane peel, and lensectomy...
September 14, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28934247/the-extent-of-intrauterine-growth-restriction-determines-the-severity-of-cerebral-injury-and-neurobehavioural-deficits-in-rodents
#7
Crystal A Ruff, Stuart D Faulkner, Prakasham Rumajogee, Stephanie Beldick, Warren Foltz, Jennifer Corrigan, Alfred Basilious, Shangjun Jiang, Shanojan Thiyagalingam, Jerome Y Yager, Michael G Fehlings
BACKGROUND: Cerebral Palsy (CP) is the most common physical pediatric neurodevelopmental disorder and spastic diplegic injury is its most frequent subtype. CP results in substantial neuromotor and cognitive impairments that have significant socioeconomic impact. Despite this, its underlying pathophysiological mechanisms and etiology remain incompletely understood. Furthermore, there is a need for clinically relevant injury models, which a) reflect the heterogeneity of the condition and b) can be used to evaluate new translational therapies...
2017: PloS One
https://www.readbyqxmd.com/read/28883908/increased-levels-of-oxidative-stress-markers-soluble-cd40-ligand-and-carotid-intima-media-thickness-reflect-acceleration-of-atherosclerosis-in-male-patients-with-ankylosing-spondylitis-in-active-phase-and-without-the-classical-cardiovascular-risk-factors
#8
Agata Stanek, Armand Cholewka, Tomasz Wielkoszyński, Ewa Romuk, Karolina Sieroń, Aleksander Sieroń
OBJECTIVE: The primary aim of the study was to assess levels of oxidative stress markers, soluble CD40 ligand (sCD40L), serum pregnancy-associated plasma protein-A (PAPP-A), and placental growth factor (PlGF) as well as carotid intima-media thickness (IMT) in patients with ankylosing spondylitis (AS) with active phase without concomitant classical cardiovascular risk factors. MATERIAL AND METHODS: The observational study involved 96 male subjects: 48 AS patients and 48 healthy ones, who did not differ significantly regarding age, BMI, comorbid disorders, and distribution of classical cardiovascular risk factors...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28864000/first-trimester-placental-thickness-and-the-risk-of-preeclampsia-or-sga
#9
Chantale Vachon-Marceau, Suzanne Demers, Stéphanie Markey, Nan Okun, Mario Girard, John Kingdom, Emmanuel Bujold
INTRODUCTION: Placental thickness in the second trimester of pregnancy has been associated with risks of placenta-mediated complications of pregnancy. We aimed to estimate the association between first-trimester maximum placental thickness and the subsequent risk of preeclampsia and/or the delivery of small-for-gestational-age (SGA) neonate. METHODS: Prospective cohort study of women recruited at 11-14 weeks gestation. Placental thickness was measured at its apparent center and reported in multiple of median (MoM) adjusted for gestational age...
September 2017: Placenta
https://www.readbyqxmd.com/read/28833750/first-trimester-detection-of-abnormally-invasive-placenta-in-women-at-risk-a-systematic-review-and-meta-analysis
#10
REVIEW
Francesco D'Antonio, Ilan E Timor-Trisch, Josè Palacios-Jaraquemada, Ana Monteagudo, Danilo Buca, Francesco Forlani, Gabriella Minneci, Francesca Foti, Lamberto Manzoli, Marco Liberati, Ganesh Acharya, Giuseppe Calì
OBJECTIVES: The primary aim of this systematic review was to ascertain whether ultrasound (US) signs suggestive of abnormally invasive placenta (AIP) are present in the first trimester. The secondary aims were to ascertain the strength of association and the predictive accuracy of such signs in detecting AIP in the first trimester of pregnancy. METHODS: MEDLINE, EMBASE, CINAHL and Cochrane databases (2000-2016) were searched. Only studies reporting the first trimester diagnosis of AIP that was subsequently confirmed in the third trimester either during operative delivery or by pathology were included...
August 21, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28826360/placental-location-postpartum-hemorrhage-and-retained-placenta-in-women-with-a-previous-cesarean-section-delivery-a-prospective-cohort-study
#11
Johanna Belachew, Karin Eurenius, Ajlana Mulic-Lutvica, Ove Axelsson
OBJECTIVE: Women previously giving birth with cesarean section have an increased risk of postpartum hemorrhage (PPH) and retained placenta. The objective of this study was to determine if anterior placental location increased the risk of PPH and retained placenta in such women. MATERIALS AND METHODS: We performed a prospective cohort study on 400 women with cesarean section delivery in a previous pregnancy. Ultrasound examinations were performed at gestational week 28-30, and placental location, myometrial thickness, and three-dimensional vascularization index (VI) were recorded...
August 22, 2017: Upsala Journal of Medical Sciences
https://www.readbyqxmd.com/read/28797201/meconium-staining-of-the-amniotic-fluid-and-the-presence-and-severity-of-acute-placental-inflammation-a-study-of-term-deliveries-in-a-predominantly-african-american-population
#12
Haleema Saeed, Suzanne M Jacques, Faisal Qureshi
OBJECTIVE: To determine frequency, stage and grade of placental histologic acute maternal inflammatory response (MIR) and fetal inflammatory response (FIR) in meconium-stained amniotic fluid (MSAF) in our predominantly African-American population. METHODS: Term placentas with MSAF (n = 310) were evaluated for MIR/ FIR, including stage/grade, and compared with placentas with clear amniotic fluid (AF) (n = 250). MIR/FIR were also evaluated in thick compared to thin MSAF subgroups...
August 11, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28793392/placental-lesions-in-meconium-aspiration-syndrome
#13
Binnari Kim, Soo-Young Oh, Jung-Sun Kim
BACKGROUND: Meconium aspiration syndrome (MAS) is defined by respiratory distress requiring supplemental oxygen in a meconium-stained neonate. MAS is clinically subclassified as mild, moderate, and severe according to the oxygen requirement. The aims of this study were to compare the histological findings in the placentas of MAS neonates with those of meconium-stained but non-MAS neonates and to analyze the correlation between the severity of MAS and the grade of its histological parameters...
September 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28752144/is-there-any-relationship-between-low-papp-a-levels-and-measures-of-umbilical-vein-and-placental-thickness-during-first-trimester-of-pregnancy
#14
Gulsum Uysal, Sadan Tutus, Fulya Cagli, Cevdet Adiguzel
OBJECTIVE: Low pregnancy-associated plasma protein A (PAPP-A) level is associated with adverse perinatal outcomes. The purpose of this study was to evaluate relationship between umbilical cord diameter (UCD), umbilical vein and artery diameters (UVD, UAD), placental thickness, and PAPP-A level at gestational age of between 11 and 14 weeks. METHODS: UCD, UVD, UAD, and placental thickness of 246 women were assessed during ultrasound examination at between 11 and 14 weeks of gestation, as well as measurement of nuchal translucency (NT) and crown-rump length (CRL)...
2017: Northern Clinics of Istanbul
https://www.readbyqxmd.com/read/28743210/fetal-middle-cerebral-artery-doppler-in-late-term-pregnancy-a-predicting-factor-for-failed-induction-of-labor
#15
Silvia Vannuccini, Michela Torricelli, Caterina Bocchi, Filiberto M Severi, Mariarosaria Di Tommaso, Felice Petraglia
PURPOSE: To study the role of fetal middle cerebral artery (MCA) Doppler evaluated prior to induction of labor in late-term pregnancies, in order to build an ultrasound-based predictive model for failed induction. MATERIALS AND METHODS: A prospective cohort study on 250 nulliparous women carrying singleton late-term pregnancies was conducted. Prior to induction, each patient underwent to an ultrasound evaluation for fetal MCA Doppler. Additional ultrasound parameters such as cervical length (CL), membranes thickness, amniotic fluid index, placental location, and estimated fetal weight (EFW) were collected...
July 25, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28734056/in-vivo-placental-mri-shape-and-textural-features-predict-fetal-growth-restriction-and-postnatal-outcome
#16
Sonia Dahdouh, Nickie Andescavage, Sayali Yewale, Alexa Yarish, Diane Lanham, Dorothy Bulas, Adre J du Plessis, Catherine Limperopoulos
PURPOSE: To investigate the ability of three-dimensional (3D) MRI placental shape and textural features to predict fetal growth restriction (FGR) and birth weight (BW) for both healthy and FGR fetuses. MATERIALS AND METHODS: We recruited two groups of pregnant volunteers between 18 and 39 weeks of gestation; 46 healthy subjects and 34 FGR. Both groups underwent fetal MR imaging on a 1.5 Tesla GE scanner using an eight-channel receiver coil. We acquired T2-weighted images on either the coronal or the axial plane to obtain MR volumes with a slice thickness of either 4 or 8 mm covering the full placenta...
July 22, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28718186/intrauterine-growth-restriction-iugr-induces-signs-of-subclinical-atherosclerosis-in-6-year-old-infants-despite-absence-of-excessive-growth
#17
Anja Tzschoppe, Rüdiger von Kries, Ellen Struwe, Wolfgang Rascher, Helmuth-Guenther Dörr, Jörg Jüngert, Manfred Rauh, Matthias Beckmann, Ralf Schild, Tamme W Goecke, Jörg Dötsch
Background Postnatal catch-up growth and rapid weight gain after intrauterine growth restriction (IUGR) seem to increase the risk for later disease. This study aimed to compare features of the metabolic syndrome early in life between IUGR and appropriate for gestational age (AGA) infants. Patients Data for 9 infants with IUGR defined by a birth weight<10(th) percentile and ultrasound-proven placental insufficiency and 11 AGA children were available. Method Postnatal growth, auxological, cardiovascular, and metabolic parameters up to a chronological age of 6 years were assessed: Fasting serum concentrations of LDL-cholesterol, insulin, leptin, IGF-I, DHEAS, skinfold thicknesses, blood pressure, and mean carotid intima-media thickness (cIMT)...
July 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/28709848/hydrogen-sulfide-alleviates-placental-injury-induced-by-maternal-cigarette-smoke-exposure-during-pregnancy-in-rats
#18
Fusheng Zhao, Fang Lei, Senfeng Zhang, Xiang Yan, Wen Wang, Yu Zheng
Maternal cigarette smoke exposure (CSE) during pregnancy is a well recognized causative factor for placental injury. Hydrogen sulfide (H2S), a gaseous signal molecule, has been shown to exert a protective effect against tissue injury in many organs. This study aimed to investigate whether H2S could alleviate CSE-induced placental injury in rats. Pregnant SD rats were randomly divided into 4 groups: NaCl, CSE, CSE + NaHS (a donor of H2S) and NaHS. On gestational day 21, placental weight was measured. Placental H2S content was assessed by methylene blue method...
July 11, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28690864/surgical-site-infections-after-cesarean-delivery-epidemiology-prevention-and-treatment
#19
REVIEW
Tetsuya Kawakita, Helain J Landy
Cesarean delivery (CD) is one of the most common procedures performed in the United States, accounting for 32% of all deliveries. Postpartum surgical site infection (SSI), wound infection and endometritis is a major cause of prolonged hospital stay and poses a burden to the health care system. SSIs complicate a significant number of patients who undergo CD - 2-7% will experience sound infections and 2-16% will develop endometritis. Many risk factors for SSI have been described. These include maternal factors (such as tobacco use; limited prenatal care; obesity; corticosteroid use; nulliparity; twin gestations; and previous CD), intrapartum and operative factors (such as chorioamnionitis; premature rupture of membranes; prolonged rupture of membranes; prolonged labor, particularly prolonged second stage; large incision length; subcutaneous tissue thickness > 3 cm; subcutaneous hematoma; lack of antibiotic prophylaxis; emergency delivery; and excessive blood loss), and obstetrical care on the teaching service of an academic institution...
2017: Maternal Health, Neonatology and Perinatology
https://www.readbyqxmd.com/read/28658297/abnormal-dendritic-maturation-of-developing-cortical-neurons-exposed-to-corticotropin-releasing-hormone-crh-insights-into-effects-of-prenatal-adversity
#20
Megan M Curran, Curt A Sandman, Elysia Poggi Davis, Laura M Glynn, Tallie Z Baram
Corticotropin releasing hormone (CRH) produced by the hypothalamus initiates the hypothalamic-pituitary-adrenal (HPA) axis, which regulates the body's stress response. CRH levels typically are undetectable in human plasma, but during pregnancy the primate placenta synthesizes and releases large amounts of CRH into both maternal and fetal circulations. Notably, placental CRH synthesis increases in response to maternal stress signals. There is evidence that human fetal exposure to high concentrations of placental CRH is associated with behavioral consequences during infancy and into childhood, however the direct effects on of the peptide on the human brain are unknown...
2017: PloS One
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