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preeclampsia prevention

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https://www.readbyqxmd.com/read/28323944/from-pregnancy-to-preeclampsia-a-key-role-for-estrogens
#1
Nadia Berkane, Philippe Liere, Jean-Paul Oudinet, Alexandre Hertig, Guillaume Lefèvre, Nicola Pluchino, Michael Schumacher, Nathalie Chabbert-Buffet
Preeclampsia (PE) results of placental dysfunction and is one of the primary causes of maternal and fetal mortality and morbidity. During pregnancy, estrogen is produced primarily in the placenta by conversion of androgen precursors originating from maternal and fetal adrenal glands. These processes lead to increased plasma estrogen concentrations compared to non-pregnant women. Aberrant production of estrogens could play a key role in PE symptoms, since they are exclusively produced by the placenta and they promote angiogenesis and vasodilation...
March 3, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28304315/using-antifibrinolytics-in-the-peripartum-period-concern-for-a-hypercoagulable-effect
#2
H K Ahmadzia, E L Lockhart, S M Thomas, I J Welsby, M R Hoffman, A H James, A P Murtha, G K Swamy, C A Grotegut
INTRODUCTION: Although antifibrinolytic agents are used to prevent and treat hemorrhage, there are concerns about a potential increased risk for peripartum venous thromboembolism. We sought to determine the impact of tranexamic acid and ɛ-aminocaproic acid on in vitro clotting properties in pregnancy. METHODS: Blood samples was obtained from healthy pregnant, obese, and preeclamptic pregnant women (n = 10 in each group) prior to delivery as well as from healthy non-pregnant controls (n = 10)...
March 16, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28301493/obstetrician-s-risk-perception-on-the-prescription-of-magnesium-sulfate-in-severe-preeclampsia-and-eclampsia-a-qualitative-study-in-brazil
#3
Fátima Aparecida Lotufo, Mary Angela Parpinelli, Maria José Osis, Fernanda Garanhani Surita, Maria Laura Costa, José Guilherme Cecatti
INTRODUCTION: Magnesium sulfate (MgSO4) is the drug of choice for the prevention and control of seizures in the management of severe preeclampsia/eclampsia. Several barriers have been identified in the use of MgSO4, especially in low and middle-income settings. OBJECTIVE: To describe the obstetrician's perception on possible reasons for underutilizing magnesium sulfate to treat preeclampsia/eclampsia. METHOD: A qualitative clinical study, based on phenomenological reference by semi-structured interviews and open-ended discussions with obstetricians of the public healthcare system in primary care units (PCU) and referral maternity hospitals (RMH), in a southeastern Brazilian city...
2017: PloS One
https://www.readbyqxmd.com/read/28294475/sodium-tanshinone-iia-sulfonate-prevents-hypoxic-trophoblast-induced-endothelial-cell-dysfunction-via-targeting-hmgb1-release
#4
Min Zhao, Yaling Feng, Jianping Xiao, Jie Liang, Yongxiang Yin, Daozhen Chen
Preeclampsia (PE) is a serious blood pressure disorder of pregnancy. Systemic endothelial cell dysfunction, a hallmark of PE, is previously estimated to be induced by hypoxic trophoblast high mobility group box 1 (HMGB1). In the present study, we investigated the protective effect of sodium tanshinone IIA sulfonate (STS), the soluble form of tanshinone IIA isolated from danshen, against hypoxic trophoblast HMGB1-induced human umbilical vein endothelial cell (HUVEC) dysfunction. Our results showed that HMGB1 expression and release were significantly decreased in STS-treated hypoxic JEG-3 cells...
February 16, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28292692/using-critical-flicker-frequency-in-the-evaluation-of-visual-impairment-in-preeclamptic-women
#5
Marina Maier, Andreas Brückmann, Ekkehard Schleußner, Dietmar Schlembach
OBJECTIVE: To assess critical flicker frequency (CFF) in normal uneventful pregnancy and preeclampsia. STUDY-DESIGN: Case-control observational study at the University Hospital Jena and Outpatient Institute for Prenatal Diagnosis and Preventive Medicine. 25 non-pregnant women, 75 uncomplicated pregnant women in first, second and third trimester, and 15 women with overt preeclampsia. For comparison with preeclamptic patients we matched 15 normal pregnant women (mNP) for age, parity, body mass index, current smoking and family history of cardiovascular disease (CVD)...
March 1, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28286810/epidemiology-and-related-risk-factors-of-preterm-labor-as-an-obstetrics-emergency
#6
Ali Asghar Halimi Asl, Saeed Safari, Mohsen Parvareshi Hamrah
INTRODUCTION: Preterm birth is still a major health problem throughout the world, which results in 75% of neonatal mortality. Preterm labor not only inflicts financial and emotional distress, it may also lead to permanent disability. The present study was conducted to determine the related risk factors and preventive measures of preterm labor. METHODS: This retrospective cross-sectional study assessed all preterm labors, as well as an equal number of term labors, during seven years, at an educational hospital...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28282763/mirna-expression-for-early-diagnosis-of-preeclampsia-onset-hope-or-hype
#7
Antonio Simone Laganà, Salvatore Giovanni Vitale, Fabrizio Sapia, Gaetano Valenti, Francesco Corrado, Francesco Padula, Agnese Maria Chiara Rapisarda, Rosario D'Anna
PURPOSE: Preeclampsia (PE) is a multi-systemic disease characterized by hypertension, proteinuria and other typical signs that can negatively affect the development of pregnancy. The outcome of the disease is strongly linked to the possibility of early diagnosis, in order to prevent the clinical manifestations. Pathogenesis is still unknown, although abnormalities of placenta development linked to angiogenesis alterations and abnormal trophoblastic invasion seem to be involved, corroborating the epigenetic theory...
March 5, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28276106/provocative-ideas-on-human-placental-biology-a-prerequisite-for-prevention-and-treatment-of-neonatal-health-challenges
#8
REVIEW
Shilpi Sehgal, Shinjini Bhatnagar, S K Pallavi
A 2-day invite-only meeting on generating "Provocative Ideas on human placental research" was organized on 1-2 December 2015 at the Translational Health Science and Technology Institute, Faridabad. This meeting was sponsored by Department of Biotechnology, Ministry of Science and Technology, Govt. of India. The objectives of this meeting were the critical evaluation of placental physiology and its development. Special emphasis was placed on understanding the consequences and implications of placental development in sustenance of pregnancy and in pregnancy-associated complications such as preeclampsia, intrauterine growth restriction, and preterm birth...
March 9, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28243243/role-of-maternal-periodontitis-in-preterm-birth
#9
REVIEW
Hongyu Ren, Minquan Du
In the last two decades, many studies have focused on whether periodontitis is a risk factor for preterm birth (PTB). However, both epidemiological investigation and intervention trials have reached contradictory results from different studies. What explains the different findings, and how should future studies be conducted to better assess this risk factor? This article reviews recent epidemiological, animal, and in vitro studies as well as intervention trials that evaluate the link between periodontitis and PTB...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28210518/epstein-barr-virus-induced-mononucleosis-as-an-imitator-of-severe-preeclampsia
#10
S Allison Staley, Marcela C Smid, Sarah K Dotters-Katz, Elizabeth M Stringer
Background In pregnancy, conditions presenting with hematologic abnormalities, transaminitis, and proteinuria pose diagnostic challenges in pregnancy. Case We present the case of an 18-year-old woman, G1P0, at 33 weeks' gestation with fever of unknown cause, who developed progressively elevated liver enzymes, proteinuria, and thrombocytopenia, due to Epstein-Barr virus (EBV) infection. Conclusion Acute infection with EBV should be included in the differential diagnosis of preeclampsia with severe features, particularly in the setting of fever...
January 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28209494/effect-of-early-onset-preeclampsia-on-cardiovascular-risk-in-the-fifth-decade-of-life
#11
Anouk Bokslag, Pim W Teunissen, Constantijn Franssen, Floortje van Kesteren, Otto Kamp, Wessel Ganzevoort, Walter J Paulus, Christianne J M de Groot
BACKGROUND: Women with hypertensive disorders in pregnancy, in particular early-onset preeclampsia, are at increased risk of developing cardiovascular disease later in life. These women have a more than 2-fold increased risk of dying from cardiovascular diseases. Most studies have focused on identification of risk factors shortly after pregnancy. Less is known on the prevalence of risk factors or actual signs of cardiovascular disease 5-20 years later. The presence of hypertension or metabolic syndrome can be seen as an opportunity for preventive interventions to reduce the development of severe cardiovascular diseases like myocardial infarction and stroke...
February 14, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28199380/the-effects-of-pravastatin-on-the-normal-human-placenta-lessons-from-ex-vivo-models
#12
Adelina Balan, Irit Szaingurten-Solodkin, Shani S Swissa, Valeria Feinshtein, Mahmoud Huleihel, Gershon Holcberg, Doron Dukler, Ofer Beharier
INTRODUCTION: Research in animal models and preliminary clinical studies in humans support the use of pravastatin for the prevention of preeclampsia. However, its use during pregnancy is still controversial due to limited data about its effect on the human placenta and fetus. METHODS: In the present study, human placental cotyledons were perfused in the absence or presence of pravastatin in the maternal reservoir (PraM). In addition, placental explants were treated with pravastatin for 5, 24 and 72 h under normoxia and hypoxia...
2017: PloS One
https://www.readbyqxmd.com/read/28188592/redirecting-reproductive-immunology-research-toward-pregnancy-as-a-period-of-temporary-immune-tolerance
#13
Norbert Gleicher, Vitaly A Kushnir, David H Barad
Referring to two recent publications, we here propose that clinical reproductive immunology has for decades stagnated because reproductive medicine, including assisted reproduction (AR), has failed to accept embryo implantation as an immune system-driven process, dependent on establishment of maternal tolerance toward the implanting fetal semi-allograft (and complete allograft in cases of oocyte donation). Pregnancy represents a biologically unique period of temporary (to the period of gestation restricted) tolerance, otherwise only known in association with parasitic infections...
February 10, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28164084/comparison-of-phenylephrine-and-ephedrine-in-treatment-of-spinal-induced-hypotension-in-high-risk-pregnancies-a-narrative-review
#14
REVIEW
Sasima Dusitkasem, Blair H Herndon, Monsicha Somjit, David L Stahl, Emily Bitticker, John C Coffman
PURPOSE: To compare maternal and fetal effects of intravenous phenylephrine and ephedrine administration during spinal anesthesia for cesarean delivery in high-risk pregnancies. SOURCE: An extensive literature search was conducted using the US National Library of Medicine, MEDLINE search engine, Cochrane review, and Google Scholar using search terms "ephedrine and phenylephrine," "preterm and term and spinal hypotension," "preeclampsia and healthy parturients," or "multiple and singleton gestation and vasopressor...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28157751/inherited-and-uncommon-causes-of-stroke
#15
Jennifer Juhl Majersik
PURPOSE OF REVIEW: This article is a practical guide to identifying uncommon causes of stroke and offers guidance for evaluation and management, even when large controlled trials are lacking in these rarer forms of stroke. RECENT FINDINGS: Fabry disease causes early-onset stroke, particularly of the vertebrobasilar system; enzyme replacement therapy should be considered in affected patients. Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), often misdiagnosed as multiple sclerosis, causes migraines, early-onset lacunar strokes, and dementia...
February 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28153659/enoxaparin-for-the-prevention-of-preeclampsia-and%C3%A2-intrauterine-growth-restriction-in-women-with%C3%A2-a%C3%A2-history-%C3%A2-a%C3%A2-randomized-trial
#16
Katie M Groom, Lesley M McCowan, Laura K Mackay, Arier C Lee, Joanne M Said, Stefan C Kane, Susan P Walker, Thijs E van Mens, Natalie J Hannan, Stephen Tong, Larry W Chamley, Peter R Stone, Claire McLintock
BACKGROUND: Preeclampsia and small-for-gestational-age pregnancy are major causes of maternal and perinatal morbidity and mortality. Women with a previous pregnancy affected by these conditions are at an increased risk of recurrence in a future pregnancy. Past trials evaluating the effect of low-molecular-weight heparin for the prevention of recurrence of preeclampsia and small-for-gestational-age pregnancy have shown conflicting results with high levels of heterogeneity displayed when trials were compared...
March 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28151494/relationship-between-maternal-hemodynamics-and-plasma-natriuretic-peptide-concentrations-during-pregnancy-complicated-by-preeclampsia-and-fetal-growth-restriction
#17
S R Giannubilo, A Pasculli, E Tidu, A Biagini, V Boscarato, A Ciavattini
OBJECTIVE: A proper maternal cardiovascular adaptation to the pregnancy plays a key role for promoting an adequate uteroplacental perfusion, for ensuring normal fetal development and for preventing gestational hypertensive complications such as preeclampsia. This study aims to evaluate hemodynamic measurements obtained by noninvasive methods among preclamptic women with and without fetal growth restriction (FGR) and the relationship with plasma levels of natriuretic peptides. STUDY DESIGN: The study compared 98 pregnant women (n=48 with preeclampsia; n=50 normotensive pregnant women) and 50 nonpregnant normotensive control subjects undergoing anultrasonic cardiac output monitor (USCOM) and plasma assessment of atrial N-terminal pro B-type natriuretic peptide (NT-proBNP)...
February 2, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28148451/preventing-preeclampsia-with-aspirin-does-dose-or-timing-matter
#18
EDITORIAL
Stephen Tong, Ben W Mol, Susan P Walker
No abstract text is available yet for this article.
February 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28137985/angiogenic-proteins-can-these-biomarkers-help-to-prevent-maternal-deaths-related-to-preeclampsia
#19
EDITORIAL
Sarosh Rana, Herriot Sannon
No abstract text is available yet for this article.
March 2017: Hypertension
https://www.readbyqxmd.com/read/28131123/update-in-the-management-of-patients-with-preeclampsia
#20
REVIEW
Nerlyne K Dhariwal, Grant C Lynde
Hypertensive disorders of pregnancy complicate approximately 10% of all deliveries in the United States and are a leading cause of maternal and fetal morbidity and mortality. Preeclampsia is defined as hypertension in association with proteinuria, thrombocytopenia, impaired liver function, renal insufficiency, pulmonary edema, or new-onset cerebral or visual disturbances. The greatest risk factor for the development of preeclampsia is a history of preeclampsia. There currently is no effective means for the prevention of preeclampsia...
March 2017: Anesthesiology Clinics
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