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pregnancy induced hypertension

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https://www.readbyqxmd.com/read/29142264/impairment-of-bkca-channels-in-human-placental-chorionic-plate-arteries-is-potentially-relevant-to-the-development-of-preeclampsia
#1
Mengzhou He, Fanfan Li, Meitao Yang, Yao Fan, Rajluxmee Beejadhursing, Yin Xie, Yuan Zhou, Dongrui Deng
Preeclampsia has known associations with insufficient placental perfusion. The large-conductance Ca(2+)-activated K(+) (BKca) channels that have recently been found to play important roles in cellular growth and vasodilatation could potentially participate in the development of preeclampsia. However, the mechanisms by which downregulated BKca channels are involved in the development of preeclampsia remain unknown. In this study, we investigated the mechanism(s) underlying the impairment of vascular tone regulation by BKca channels in human placental chorionic plate arteries (CPAs) in preeclampsia...
November 16, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/29133192/maternal-micronutrients-omega-3-fatty-acids-and-gene-expression-of-angiogenic-and-inflammatory-markers-in-pregnancy-induced-hypertension-rats
#2
Nisha Kemse, Deepali Sundrani, Anvita Kale, Sadhana Joshi
BACKGROUND AND AIMS: Preeclampsia is a disorder of pregnancy and is associated with inflammation and altered angiogenesis. The present study examines the effect of micronutrient and omega-3 fatty acid supplementation (individual, as well as combined) on genes involved in inflammation and angiogenesis, as well as global DNA methylation levels in a pregnancy induced hypertension (PIH) rat model. METHODS: Pregnant Wistar rats were randomly assigned to six dietary groups: control, PIH (Pregnancy induced hypertension) Induced; PIH Induced with micronutrient supplements with vitamin B12 (PIHB), folate (PIHF), omega-3 fatty acid (PIHO), and combined supplementation (PIHC) (micronutrients and omega-3 fatty acids)...
November 10, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/29129039/combined-diet-and-exercise-interventions-for-preventing-gestational-diabetes-mellitus
#3
REVIEW
Emily Shepherd, Judith C Gomersall, Joanna Tieu, Shanshan Han, Caroline A Crowther, Philippa Middleton
BACKGROUND: Gestational diabetes mellitus (GDM) is associated with a wide range of adverse health consequences for women and their infants in the short and long term. With an increasing prevalence of GDM worldwide, there is an urgent need to assess strategies for GDM prevention, such as combined diet and exercise interventions. This is an update of a Cochrane review that was first published in 2015. OBJECTIVES: To assess the effects of diet interventions in combination with exercise interventions for pregnant women for preventing GDM, and associated adverse health consequences for the mother and her infant/child...
November 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29121743/profiling-of-cardiovascular-and-cerebrovascular-disease-associated-microrna-expression-in-umbilical-cord-blood-in-gestational-hypertension-preeclampsia-and-fetal-growth-restriction
#4
Ilona Hromadnikova, Katerina Kotlabova, Katarina Ivankova, Yulia Vedmetskaya, Ladislav Krofta
BACKGROUND AND METHODS: Gene expression of 29 cardiovascular and cerebrovascular disease associated microRNAs was assessed in whole umbilical cord blood, compared between groups [47 gestational hypertension (GH), 56 preeclampsia (PE), 37 fetal growth restriction (FGR) and 44 normal pregnancies] and correlated with the severity of the disease with respect to clinical signs (mild PE vs. severe PE), delivery date (before and after 34weeks of gestation), and Doppler ultrasound parameters [pulsatility index (PI) in the umbilical artery, PI in the middle cerebral artery and the cerebroplacental ratio]...
December 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29113921/antihypertensive-responses-of-vasoactive-androgens-in-an-in-vivo-experimental-model-of-preeclampsia
#5
Mercedes Perusquía, Andrea E Hanson, Claudia M Meza, Cris Kubli, Nieves Herrera, John N Stallone
Dehydroepiandrosterone (DHEA), testosterone (TES) and its 5-reduced metabolites induce a nongenomic vasorelaxation in several vascular beds of mammals; similarly these hormones produce systemic hypotensive and antihypertensive responses in normotensive and hypertensive male rats. Thus, it was hypothesized that the antihypertensive response of androgens, whose levels are elevated during gestation, protect against gestational hypertension. An animal model of preeclampsia was induced in female Wistar rats using DOCA-salt-treated pregnant (PT) and normal pregnant (NP) rats...
November 4, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29109760/influence-of-serum-hmw-adiponectin-level-in-patients-with-pregnancy-induced-hypertension-syndrome-on-the-occurrence-of-eclampsia-in-secondary-pregnancy
#6
Qian Xu, Dongmei Fan, Fahong Li, Zhanhong Zhang
In the present study, we studied the influence of serum high-molecular weight adiponectin (HMWA) levels in patients with pregnancy-induced hypertension (PIH) on the occurrence of eclampsia in secondary pregnancy and its related mechanisms. In total, 130 patients who were diagnosed with PIH for the first time were selected for this study; the median interval of the secondary pregnancy was 28.5 months. The serum HMWA and leptin levels both times were detected, and the insulin resistance indexes (HOMA-IR) were calculated...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29109640/obstetric-critical-care-requirements-felt-by-the-obstetricians-an-experience-based-study
#7
Mohan Deep Kaur, Jyoti Sharma, Prasoon Gupta, Tarun Deep Singh, Saurav Mitra Mustafi
Background and Aims: Pregnancy is a state of physiological stress to a woman's health. Concomitant complications and infections during pregnancy may necessitate intensive monitoring and management of such patients in critical care settings. This study aims to determine the perceptions about the requirement of obstetric critical care based on the experience of obstetricians. Material and Methods: An observational, questionnaire-based study was conducted in 200 obstetricians working in various settings, who were approached during obstetric conferences...
July 2017: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29095432/pregnancy-induced-hypertension-and-neonatal-outcomes-a-systematic-review-and-meta-analysis
#8
A Razak, A Florendo-Chin, L Banfield, M G Abdul Wahab, S McDonald, P S Shah, A Mukerji
OBJECTIVE: Pregnancy-induced hypertension (PIH) is associated with preterm delivery but its independent impact on neonatal outcomes remains unclear. We sought to systematically review and meta-analyze clinical outcomes of preterm infants <37 weeks' gestation born to mothers with and without PIH. STUDY DESIGN: Medline, Embase, PsychINFO and CINAHL were searched from January 2000 to October 2016. Studies with low-moderate risk of bias reporting neonatal outcomes based on PIH as primary exposure variable were included...
November 2, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29093568/experimental-preeclampsia-in-rats-affects-vascular-gene-expression-patterns
#9
Simone V Lip, Anne Marijn van der Graaf, Marjon J Wiegman, Sicco A Scherjon, Mark V Boekschoten, Torsten Plösch, Marijke M Faas
Normal pregnancy requires adaptations of the maternal vasculature. During preeclampsia these adaptations are not well established, which may be related to maternal hypertension and proteinuria. The effects of preeclampsia on the maternal vasculature are not yet fully understood. We aimed to evaluate gene expression in aortas of pregnant rats with experimental preeclampsia using a genome wide microarray. Aortas were isolated from pregnant Wistar outbred rats with low-dose LPS-induced preeclampsia (ExpPE), healthy pregnant (Pr), non-pregnant and low-dose LPS-infused non-pregnant rats...
November 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29093562/glucocorticoid-exposure-induces-preeclampsia-via-dampening-1-25-dihydroxyvitamin-d3
#10
Dongxin Zhang, Ji Zeng, Xili Miao, Haojing Liu, Liangfang Ge, Wei Huang, Jinyu Jiao, Duyun Ye
The pathogenesis of preeclampsia (PE) involves a number of biological processes that may be directly or indirectly affected by glucocorticoid (GC) and vitamin D. GC exposure increases the risk of PE, and 1,25-dihydroxyvitamin D3 (1,25-(OH)2D3) deficiency may result in PE. The purpose of the present study was to confirm the involvement of GC/1,25-(OH)2D3 axis in the pathogenesis of PE. In the study, cortisol levels of PE patients were found to be higher than that of non-complicated pregnancies, while 1,25-(OH)2D3 were decreased in both PE women and GC-induced PE rats...
November 2, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/29083138/an-early-customized-low-glycaemic-index-diet-prevents-adverse-pregnancy-outcomes-in-overweight-obese-women
#11
Elisabetta Petrella, Valeria Tamborrino, Lidia DI Cerbo, Isabella Neri, Fabio Facchinetti
OBJECTIVE: To determine whether the prescription and follow-up of a behavioral program (customized nutritional advices and a constant physical activity) influences the occurrence of unfavorable maternal/neonatal outcomes among overweight/obese women. METHODS: A case-control study (1:3) included single pregnant women with BMI≥25, enrolled at 1st trimester. Cases (95) were prescribed (by both the dietitian and gynecologist) a low-glycemic index diet with an average intake of 1700/1800 Kcal/day plus 30 minutes walking at least 3 times/week (with four follow-up visits until delivery)...
October 27, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/29081069/different-methods-and-settings-for-glucose-monitoring-for-gestational-diabetes-during-pregnancy
#12
REVIEW
Puvaneswary Raman, Emily Shepherd, Therese Dowswell, Philippa Middleton, Caroline A Crowther
BACKGROUND: Incidence of gestational diabetes mellitus (GDM) is increasing worldwide. Blood glucose monitoring plays a crucial part in maintaining glycaemic control in women with GDM and is generally recommended by healthcare professionals. There are several different methods for monitoring blood glucose which can be carried out in different settings (e.g. at home versus in hospital). OBJECTIVES: The objective of this review is to compare the effects of different methods and settings for glucose monitoring for women with GDM on maternal and fetal, neonatal, child and adult outcomes, and use and costs of health care...
October 29, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29080721/no-350-hirsutism-evaluation-and-treatment
#13
Kimberly Liu, Tarek Motan, Paul Claman
OBJECTIVES: To review the etiology, evaluation, and treatment of hirsutism. EVALUATION: A thorough history and physical examination plus selected laboratory evaluations will confirm the diagnosis and direct treatment. TREATMENT: Pharmacologic interventions can suppress ovarian or adrenal androgen production and block androgen receptors in the hair follicle. Hair removal methods and lifestyle modifications may improve or hasten the therapeutic response...
November 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29077514/obesity-in-women-insights-for-the-clinician
#14
Zujaja Tauqeer, Gricelda Gomez, Fatima Cody Stanford
As a leading cause of morbidity and mortality in the United States and worldwide, obesity is a disease that is frequently encountered in clinical practice today and requires a range of medical interventions. While obesity affects both men and women across all ages, multiple issues are particularly germane to women's health, particularly as obesity is more prevalent among women than men in the United States and obesity among women of reproductive health relates to the growing issue of childhood obesity. Discussed herein are the epidemiology and pathophysiology of obesity along with the impact of perinatal obesity on fetal programming...
October 27, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/29058764/protective-effects-of-ppar-%C3%AE-against-pregnancy-induced-hypertension-by-differential-etr-expression-in-rat-models
#15
Ying Wu, Yan Ruan, Lin Shen, Qing Gong
This study aims to investigate the effects of PPAR-γ on rats with pregnancy-induced hypertension (PIH) by regulating endothelin receptor (ETR). A total of 60 pregnant Wistar rats were selected, and 50 rats were used to establish endotoxin induced PIH rat models. Rats were equally assigned into PIH-NS, PIH-5 mg/kg RM, PIH-10 mg/kg RM, PIH-100 mg/kg ETR, and PIH-200 mg/kg ETR groups, and the rest 10 rats were assigned to a the control group. Reverse transcription quantitative polymerase chain reaction (RT-qPCR) and western blotting were used for determining mRNA and protein expressions of PPAR-γ and ETA R respectively...
October 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29057843/calcium-and-vitamin-d-supplementation-for-prevention-of-preeclampsia-a-systematic-review-and-network-meta-analysis
#16
REVIEW
Win Khaing, Sakda Arj-Ong Vallibhakara, Visasiri Tantrakul, Orawin Vallibhakara, Sasivimol Rattanasiri, Mark McEvoy, John Attia, Ammarin Thakkinstian
Vitamin D supplementation effects with or without calcium in pregnancy for reducing risk of preeclampsia and gestational or pregnancy induced hypertension are controversial. Literature was systematically searched in Medline, Scopus and Cochrane databases from inception to July 2017. Only randomized controlled trials (RCTs) in English were selected if they had any pair of interventions (calcium, vitamin D, both, or placebo). Systematic review with two-step network-meta-analysis was used to indirectly estimate supplementary effects...
October 18, 2017: Nutrients
https://www.readbyqxmd.com/read/29049303/a-mediterranean-diet-with-additional-extra-virgin-olive-oil-and-pistachios-reduces-the-incidence-of-gestational-diabetes-mellitus-gdm-a-randomized-controlled-trial-the-st-carlos-gdm-prevention-study
#17
RANDOMIZED CONTROLLED TRIAL
Carla Assaf-Balut, Nuria García de la Torre, Alejandra Durán, Manuel Fuentes, Elena Bordiú, Laura Del Valle, Cristina Familiar, Ana Ortolá, Inés Jiménez, Miguel A Herraiz, Nuria Izquierdo, Noelia Perez, María J Torrejon, María I Ortega, Francisco J Illana, Isabelle Runkle, Maria P de Miguel, Carmen Montañez, Ana Barabash, Martín Cuesta, Miguel A Rubio, Alfonso L Calle-Pascual
BACKGROUND: Gestational diabetes mellitus (GDM) prevalence is increasing and becoming a major public health concern. Whether a Mediterranean diet can help prevent GDM in unselected pregnant women has yet to be studied. METHODS: We conducted a prospective, randomized controlled trial to evaluate the incidence of GDM with two different dietary models. All consecutive normoglycemic (<92 mg/dL) pregnant women at 8-12 gestational weeks (GW) were assigned to Intervention Group (IG, n = 500): MedDiet supplemented with extra virgin olive oil (EVOO) and pistachios; or Control Group (CG, n = 500): standard diet with limited fat intake...
2017: PloS One
https://www.readbyqxmd.com/read/29046315/sex-differences-in-maternal-gestational-hypertension-induced-sensitization-of-angiotensin-ii-hypertension-in-rat-offspring-the-protective-effect-of-estrogen
#18
Baojian Xue, Terry G Beltz, Fang Guo, Alan Kim Johnson
Recent studies demonstrate that maternal hypertension during pregnancy sensitizes an angiotensin (ANG) II-induced increase in blood pressure (BP) in adult male offspring that was associated with upregulation of mRNA expression of several renin-angiotensin-aldosterone system (RAAS) components and NADPH oxidase in the lamina terminalis (LT) and paraventricular nucleus (PVN). The purpose of the present study was to test whether there are sex differences in the maternal hypertension-induced sensitization of ANG II hypertension, and whether sex hormones are involved in the sensitization process...
October 18, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29045765/oral-anti-diabetic-agents-for-women-with-established-diabetes-impaired-glucose-tolerance-or-previous-gestational-diabetes-planning-pregnancy-or-pregnant-women-with-pre-existing-diabetes
#19
REVIEW
Joanna Tieu, Suzette Coat, William Hague, Philippa Middleton, Emily Shepherd
BACKGROUND: While most guidance recommends the use of insulin in women whose pregnancies are affected by pre-existing diabetes, oral anti-diabetic agents may be more acceptable to women. The effects of these oral anti-diabetic agents on maternal and infant health outcomes need to be established in pregnant women with pre-existing diabetes or impaired glucose tolerance, as well as in women with previous gestational diabetes mellitus preconceptionally or during a subsequent pregnancy. This review is an update of a review that was first published in 2010...
October 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29039998/fn1-fos-and-itga5-induce-preeclampsia-abnormal-expression-and-methylation
#20
Mei Zhao, Lin Li, Xiumei Yang, Jianying Cui, Hong Li
OBJECTIVE: As a frequent hypertensive disorder in pregnancy, preeclampsia causes 15% of all preterm deliveries. This study aims to understand its mechanism via analyzing gene expression and methylation data. METHODS: Human gene expression microarray data (GSE73374) and corresponding DNA methylation microarray data (GSE73375) of preeclamptic placental tissues (n = 19) and normotensive placental tissues (n = 17) were obtained from the Gene Expression Omnibus. Differentially expressed genes (DEGs), differentially methylated regions (DMRs) and CpG islands (DMIs) were identified and compared...
November 2017: Hypertension in Pregnancy
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