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Placental thickness

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https://www.readbyqxmd.com/read/28095377/associations-of-maternal-leptin-with-neonatal-adiposity-differ-according-to-pregravid-weight
#1
Julie Patenaude, Guillaume Lacerte, Marilyn Lacroix, Laetitia Guillemette, Catherine Allard, Myriam Doyon, Marie-Claude Battista, Julie Moreau, Julie Ménard, Jean-Luc Ardilouze, Patrice Perron, Marie-France Hivert
BACKGROUND: During pregnancy, maternal circulating leptin is released by maternal adipose tissue and the placenta, and may have a role in fetal development. OBJECTIVES: We investigated maternal leptinemia and glycemia associations with neonatal adiposity, taking into account pregravid weight status. METHODS: We included 235 pregnant women from the Genetics of Glucose Regulation in Gestation and Growth prospective cohort with data: blood samples collected during the 2nd trimester, an oral glucose tolerance test (OGTT), and the measured leptin and glucose levels...
January 18, 2017: Neonatology
https://www.readbyqxmd.com/read/28012458/impact-of-early-and-late-onset-preeclampsia-on-features-of-placental-and-newborn-vascular-health
#2
Emilie M Herzog, Alex J Eggink, Anniek Reijnierse, Martina A M Kerkhof, Ronald R de Krijger, Anton J M Roks, Irwin K M Reiss, Alex L Nigg, Paul H C Eilers, Eric A P Steegers, Régine P M Steegers-Theunissen
INTRODUCTION: Offspring exposed to preeclampsia (PE) show an increased risk of cardiovascular disease in adulthood. We hypothesize that this is mediated by a disturbed vascular development of the placenta, umbilical cord and fetus. Therefore, we investigated associations between early-onset PE (EOPE), late-onset PE (LOPE) and features of placental and newborn vascular health. METHODS: We performed a nested case-control study in The Rotterdam Periconceptional Cohort, including 30 PE pregnancies (15 EOPE, 15 LOPE) and 218 control pregnancies (164 uncomplicated controls, 54 complicated controls including 28 fetal growth restriction, 26 preterm birth) and assessed macroscopic and histomorphometric outcomes of the placenta and umbilical cord...
January 2017: Placenta
https://www.readbyqxmd.com/read/28002269/efficacy-of-intravitreal-aflibercept-in-macular-telangiectasia-type-1-is-linked-to-the-ocular-angiogenic-profile
#3
Laura Kowalczuk, Alexandre Matet, Ali Dirani, Alejandra Daruich, Aude Ambresin, Irmela Mantel, Richard F Spaide, Natacha Turck, Francine Behar-Cohen
PURPOSE: To evaluate intravitreal aflibercept in macular telangiectasia Type 1 (MacTel 1) patients and measure their ocular angiogenic profile. METHODS: Eight subjects with MacTel 1 refractory to bevacizumab, ranibizumab, or laser therapy and switched to aflibercept were included. Best-corrected visual acuity, central macular thickness, and cystic areas quantified on optical coherence tomography B-scans were assessed during 12 months. Perifoveal capillary densities were measured on optical coherence tomography angiography...
December 20, 2016: Retina
https://www.readbyqxmd.com/read/27988927/cardiac-remodelling-in-a-baboon-model-of-intrauterine-growth-restriction-mimics-accelerated-ageing
#4
Anderson H Kuo, Cun Li, Jinqi Li, Hillary F Huber, Peter W Nathanielsz, Geoffrey D Clarke
KEY POINTS: Rodent models of intrauterine growth restriction (IUGR) successfully identify mechanisms that can lead to short-term and long-term detrimental cardiomyopathies but differences between rodent and human cardiac physiology and placental-fetal development indicate a need for models in precocial species for translation to human development. We developed a baboon model for IUGR studies using a moderate 30% global calorie restriction of pregnant mothers and used cardiac magnetic resonance imaging to evaluate offspring heart function in early adulthood...
November 6, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27922068/changes-in-retinal-nerve-fiber-layer-thickness-after-multiple-injections-of-novel-vegf-decoy-receptor-conbercept-for-various-retinal-diseases
#5
Zhihua Zhang, Xiaolu Yang, Huiyi Jin, Yuan Qu, Yuan Zhang, Kun Liu, Xun Xu
Conbercept is a recombinant fusion protein with high affinity for all vascular endothelial growth factor isoforms and placental growth factor. The repeated intravitreal injection of conbercept may cause intraocular pressure (IOP) fluctuations and long-term suppression of neurotrophic cytokines, which could lead to retinal nerve fiber layer (RNFL) damage. This retrospective fellow-eye controlled study included 98 eyes of 49 patients. The changes in IOP and RNFL thickness as well as the correlation between RNFL changes and associated factors were evaluated...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27863915/prenatal-ultrasound-monitoring-of-homozygous-%C3%AE-0-thalassemia-induced-fetal-anemia
#6
REVIEW
Helena H L Lee, Annisa S L Mak, C F Poon, K Y Leung
A noninvasive approach by serial ultrasound examination at 12-15, 18, and 30 weeks of gestation can be used to exclude homozygous α(0)-thalassemia-induced fetal anemia. At 12-15 weeks of gestation, the predictive values for the fetal cardio-thoracic ratio were better than that for the placental thickness. At 16-20 weeks of gestation, measuring middle cerebral artery peak systolic velocity is associated with a low false-positive rate. However, the false-positive rate of this noninvasive approach can be about 3%, requiring an invasive test to confirm the diagnosis...
October 26, 2016: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27859887/preclinical-atherosclerosis-at-the-time-of-pre-eclamptic-pregnancy-and-up-to-10-years-postpartum-systematic-review-and-meta-analysis
#7
REVIEW
Natasa M Milic, Jelena Milin-Lazovic, Tracey L Weissgerber, Goran Trajkovic, Wendy M White, Vesna D Garovic
OBJECTIVES: Preeclampsia, a pregnancy-specific hypertensive disorder, has been associated with cardiovascular risk factors and vascular changes, such as acute atherosis in placental blood vessels, which are similar to early-stage atherosclerosis. The objective of this study was to determine whether women with preeclampsia have increased atherosclerotic burden, as determined by carotid intima-media thickness (CIMT), when compared to women without preeclampsia. METHODS: We conducted a systematic review and meta-analysis of studies that reported CIMT, a non-invasive, ultrasound-based measure of subclinical atherosclerosis, in women who did vs...
November 18, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27693011/the-nitric-oxide-serum-level-and-combined-utero-placental-thickness-in-buffalo-bubalus-bubalis-affected-by-pregnancy-pathology
#8
Hany Zaher, Ayman Abdel-Aziz Swelum, Abdel-Salam Eidaroos, Faten Labib
The present study aimed mainly to study the level of nitric oxide (NO) and combined thickness of the uterus and placenta (CTUP) in buffaloes affected by pregnancy pathology. Females (n = 104) were classified into three main groups: nonpregnant (n = 10), healthy pregnant (n = 54), and pathologically pregnant (n = 40). The healthy pregnant animals were subgrouped according to the stage of pregnancy to early stage (n = 15), mid stage (n = 15), late stage (n = 19), and full term (n = 5). The animals in which pregnancy was associated with placental pathology were subgrouped to uterine torsion (n = 27), hydroallantois (n = 5), and abortion (n = 8)...
January 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/27690695/placental-leptin-mrna-expression-and-serum-leptin-levels-in-pre-eclampsia-associated-with-hiv-infection
#9
Firoza Haffejee, Thajasvarie Naicker, Moganavelli Singh, Ayesha B M Kharsany, Miriam Adhikari, Ravesh Singh, Niren Maharaj, Jagidesa Moodley
Leptin, primarily produced by adipocytes, is implicated in the development of pre-eclampsia. This study examines placental leptin production and serum leptin levels in HIV infected and uninfected normotensive and pre-eclamptic pregnancies. Placental leptin production was analysed by RT-PCR and serum leptin levels by ELISA in normotensive (n = 90) and pre-eclamptic (n = 90) pregnancies which were further stratified by HIV status. Placental leptin production was higher in pre-eclampsia compared to normotensive pregnancies irrespective of HIV status (p = ...
October 3, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27685997/a-lipidomic-analysis-of-placenta-in-preeclampsia-evidence-for-lipid-storage
#10
Simon H J Brown, Samuel R Eather, Dilys J Freeman, Barbara J Meyer, Todd W Mitchell
In preeclampsia, maternal insulin resistance leads to defective expansion of adipocytes, enhanced adipocyte lipolysis, up-regulation of very low density lipoprotein synthesis, maternal hypertriglyceridaemia and the potential for ectopic fat storage. Our aim was to quantitate and compare the total amount and type of lipid in placenta from pregnancies complicated with preeclampsia and healthy pregnancies. Quantitative lipid analysis of lipid extracts from full thickness placental biopsies was carried out by shotgun lipidomics...
2016: PloS One
https://www.readbyqxmd.com/read/27661402/placental-implantation-abnormalities-a-modern-approach
#11
Sevan A Vahanian, Anthony M Vintzileos
PURPOSE OF REVIEW: Placental implantation abnormalities (PIAs) comprise a large group of disorders associated with significant maternal, fetal, and neonatal morbidity. RECENT FINDINGS: Risk factors include prior uterine surgery/myometrial scarring and the presence of placenta previa with or without prior cesarean delivery. Newly identified risk factors include previous prelabor cesarean delivery and previous postpartum hemorrhage. PIAs contribute substantially to preterm birth with prematurity rates ranging from 38 to 82%...
December 2016: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27630383/the-relationship-between-malaria-parasitemia-malaria-preventive-measures-and-average-birth-weight-of-babies-in-a-tertiary-facility-in-owerri-nigeria
#12
E E Idih, B U Ezem, E A Nzeribe, A O Onyegbule, B C Duru, C C Amajoyi
BACKGROUND: Despite the global efforts made to eradicate malaria, it continues to be a significant cause of morbidity and mortality in both neonates and the parturients. This study was done to determine the relationship between placental parasitemia, average neonatal birth weight and the relationship between the use of malaria preventive measures and the occurrence of placental parasitemia with the aim to improving maternal and neonatal outcome. PATIENTS AND METHODS: This cross-sectional study was done at the labor ward unit of the Federal Medical Center, Owerri, from December 2013 to May 2014...
July 2016: Nigerian Medical Journal: Journal of the Nigeria Medical Association
https://www.readbyqxmd.com/read/27582582/the-role-of-adenomyosis-in-the-pathogenesis-of-preeclampsia
#13
P S Hasdemir, M Farasat, C Aydin, B C Ozyurt, T Guvenal, G Pekindil
INTRODUCTION: Adenomyosis can cause defective deep placentation. Preeclampsia is known to be associated with abnormal placentation. The aim of this study was to compare the presence of adenomyosis on magnetic resonance imaging in patients with and without history of preeclampsia in order to investigate the possible role of adenomyosis in the pathogenesis of preeclampsia. MATERIALS AND METHODS: This prospective, randomized study consisted of patients with (n = 35) and without (n = 34) history of preeclampsia...
August 2016: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/27566849/transrectal-ultrasonographic-evaluation-of-combined-utero-placental-thickness-during-the-last-half-of-pregnancy-in-martina-franca-donkeys
#14
A Carluccio, F Noto, S Parrillo, A Contri, I De Amicis, A Gloria, D Robbe, M C Veronesi
In the recent years, the donkey population decreased dramatically so that many breeds are presently considered as endangered. In comparison to the horse, the donkey placenta still remains not completely studied. In the horse, one of the diagnostic tools useful to identify pregnant mares at risk of abortion or premature delivery, include the transrectal ultrasound examination of the uterus and its contents; and especially of the combined thickness of the uterus and of the placenta (CUPT). Since the CUPT was never investigated in donkeys, the present study was aimed to define the transrectal CUPT values during the last half of pregnancy in 20 Martina Franca jennies...
December 2016: Theriogenology
https://www.readbyqxmd.com/read/27566274/prevalence-of-malaria-in-pregnancy-in-southern-laos-a-cross-sectional-survey
#15
Valérie Briand, Jean-Yves Le Hesran, Mayfong Mayxay, Paul N Newton, Gwladys Bertin, Sandrine Houzé, Sommay Keomany, Yom Inthavong, Nanthasane Vannavong, Keobouphaphone Chindavongsa, Bouasy Hongvanthong, Nadine Fievet
BACKGROUND: There are no data on the burden of malaria in pregnancy (MiP) in Laos, where malaria still remains prevalent in the south. METHODS: Two cross-sectional surveys were conducted in 2014 to assess the prevalence of MiP in Vapi District, Salavan Province, southern Laos: the first consisted of screening 204 pregnant women during pregnancies [mean (95 % CI) gestational age: 23 (22-25) weeks] living in 30 randomly selected villages in Vapi District; the second was conducted among 331 pregnant women, who delivered during the study period in Vapi and Toumlane District Hospitals and in Salavan Provincial Hospital...
2016: Malaria Journal
https://www.readbyqxmd.com/read/27561595/prediction-of-stillbirth-from-biochemical-and-biophysical-markers-at-11-13-weeks
#16
S Mastrodima, R Akolekar, G Yerlikaya, T Tzelepis, K H Nicolaides
OBJECTIVES: To develop a model for the prediction of stillbirth that is based on a combination of maternal characteristics and medical history with first-trimester biochemical and biophysical markers and to evaluate the performance of screening with this model for all stillbirths and those due to impaired placentation and unexplained causes. METHODS: This was a prospective screening study of 76 897 singleton pregnancies, including 76 629 live births and 268 (0.35%) antepartum stillbirths; 157 (59%) were secondary to impaired placentation and 111 (41%) were due to other or unexplained causes...
November 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27525326/association-between-papp-a-and-placental-thickness
#17
Elaheh Mesdaghi-Nia, Mitra Behrashi, Arezoo Saeidi, Masoomeh Abedzadeh Kalahroodi, Mojtaba Sehat
BACKGROUND: Measuring of maternal serum pregnancy-associated plasma protein-A (PAPP-A) in first trimester can be a way for early detection of adverse prenatal outcome due to faulty placenta. OBJECTIVE: The aim was to Determination of association between placental thickness in second trimester with low level of PAPP-A in first trimester. MATERIALS AND METHODS: In this cohort study, serum PAPP-A of 187 pregnant women was measured in the first trimester of pregnancy...
June 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/27513526/decidual-vasculopathy-placental-location-and-association-with-ischemic-lesions
#18
Joanna Sue Yee Chan, Debra Heller, Rebecca Baergen
Decidual vasculopathy (DV) is a general term for a number of lesions involving uteroplacental vessels. It is often seen in preeclamptic placentas and indicates a disorder of uteroplacental malperfusion and is associated with placental ischemia and infarction. Although some have advocated submitting special sections in order to better document DV, it is unclear which placental sections have the highest yield in demonstrating these abnormal vessels. 76 consecutive cases of decidual vasculopathy were identified and evaluated for location of DV, as well as presence of other lesions of ischemic change, infarcts and retroplacental hematomas...
August 11, 2016: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/27509872/can-maternal-fetal-hemodynamics-influence-prenatal-development-in-dogs
#19
Luana Azevedo de Freitas, Gustavo Lobato Mota, Herlon Victor Rodrigues Silva, Cibele Figueira Carvalho, Lúcia Daniel Machado da Silva
The goals of this study were to report embryonic and fetal ultrasound changes and compare blood flow of uteroplacental and umbilical arteries of normal and abnormal conceptus. Accordingly, from the day of mating or artificial insemination, all fetuses in 60 pregnancies were evaluated weekly. According to the ultrasound findings, the gestational age was determined and the conceptuses were divided into normal or abnormal (embryonic and fetal abnormalities). The two-dimensional ultrasound assessment consists of measuring and evaluating the echogenicity of conceptus and extra-fetal structures...
September 2016: Animal Reproduction Science
https://www.readbyqxmd.com/read/27471825/aqueous-humor-cytokine-levels-as-biomarkers-of-disease-severity-in-diabetic-macular-edema
#20
Roxane J Hillier, Elvis Ojaimi, David T Wong, Michael Y K Mak, Alan R Berger, Radha P Kohly, Peter J Kertes, Farzin Forooghian, Shelley R Boyd, Kenneth Eng, Filiberto Altomare, Louis R Giavedoni, Rosane Nisenbaum, Rajeev H Muni
PURPOSE: To determine whether aqueous cytokine levels correlate with disease severity in diabetic macular edema. METHODS: A prospective cross-sectional study of 49 adults with diabetes mellitus, centre-involving diabetic macular edema and central subfield macular thickness ≥310 μm on spectral domain optical coherence tomography. Clinical examination and aqueous sampling were carried out before an initial injection of ranibizumab. Multiplex immunoassay of sample was carried out for vascular endothelial growth factor, placental growth factor, transforming growth factor beta, intercellular adhesion molecule-1, interleukin (IL)-2, IL-3, IL-6, IL-8, IL-10, IL-17, vascular cell adhesion molecule-1, monocyte chemoattractant protein-1, and epidermal growth factor...
July 28, 2016: Retina
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