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https://www.readbyqxmd.com/read/27910204/recommended-standards-for-assessing-blood-pressure-in-human-research-where-blood-pressure-or-hypertension-is-a-major-focus
#1
(no author information available yet)
Although inaccurate, nonreproducible blood pressure values can result from nonstandardized assessments, recommended approaches to standardize blood pressure measurement are often not followed in research studies. An expert consensus of national and international health and scientific organizations developed recommended minimum standards for assessing blood pressure in research subjects where: (1) blood pressure or hypertension is a major end point, or (2) blood pressure is likely a major mediator of the research outcome...
December 2, 2016: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/27909897/nha2-is-expressed-in-distal-nephron-and-regulated-by-dietary-sodium
#2
Kalyan C Kondapalli, R Todd Alexander, Jennifer L Pluznick, Rajini Rao
Increased renal reabsorption of sodium is a significant risk factor in hypertension. An established clinical marker for essential hypertension is elevated sodium lithium countertransport (SLC) activity. NHA2 is a newly identified Na(+)(Li(+))/H(+) antiporter with potential genetic links to hypertension, which has been shown to mediate SLC activity and H(+)-coupled Na(+)(Li(+)) efflux in kidney-derived MDCK cells. To evaluate a putative role in sodium homeostasis, we determined the effect of dietary salt on NHA2...
December 1, 2016: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/27908565/determinants-of-hyperhomocysteinemia-in-healthy-and-hypertensive-subjects-a-population-based-study-and-systematic-review
#3
REVIEW
Liyuan Han, Yanfen Liu, Changyi Wang, Linlin Tang, Xiaoqi Feng, Thomas Astell-Burt, Qi Wen, Donghui Duan, Nanjia Lu, Guodong Xu, Kaiyue Wang, Lu Zhang, Kaibo Gu, Sihan Chen, Jianping Ma, Tao Zhang, Dingyun You, Shiwei Duan
AIMS: Hyperhomocysteinemia (HHcy) is known to increase the risk of many diseases. Factors influencing HHcy in healthy and hypertensive subjects remain under-researched. METHODS: A large population-based study was conducted in 60 communities from Shenzhen, China. Responses to standardized questions on lifestyle factors and blood samples were collected from all participants after a 12-h overnight fast. Multiple linear and multivariate logistic regressions were used to explore risk factors for HHcy...
November 19, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27908548/dietary-sodium-and-potassium-intakes-data-from-urban-and-rural-areas
#4
Carmelle Mizéhoun-Adissoda, Dismand Houinato, Corine Houehanou, Thierry Chianea, François Dalmay, André Bigot, Victor Aboyans, Pierre-Marie Preux, Pascal Bovet, Jean-Claude Desport
OBJECTIVES: Hypertension is highly prevalent in West African populations, but little data is available on salt and potassium intake in these populations. We assumed in this study that sodium and potassium intake might be high and low, respectively, in the Beninese population in view of the emerging nutritional transition. The aim of this study was to estimate dietary sodium and potassium intakes based on 24-h urine collections. METHODS: We selected 420 individuals (ages 25-64 y), representative of the population, from urban and rural areas in Benin...
January 2017: Nutrition
https://www.readbyqxmd.com/read/27906747/update-on-angiotensin-at2-receptors
#5
Robert M Carey
PURPOSE OF REVIEW: This review updates major new findings and concepts introduced during the past year on the role of angiotensin II (Ang II) subtype 2 receptors (AT2Rs) in the control of blood pressure and renal function. RECENT FINDINGS: AT2R activation prevents sodium (Na) retention and lowers blood pressure in the Ang II infusion model of experimental hypertension and prevents salt-sensitive hypertension in the obese Zucker rat model of obesity and the metabolic syndrome...
November 30, 2016: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/27905933/salt-intakes-in-sub-saharan-africa-a-systematic-review-and-meta-regression
#6
Oyinlola Oyebode, Samuel Oti, Yen-Fu Chen, Richard J Lilford
BACKGROUND: High sodium intake increases the risk of hypertension and cardiovascular diseases. For this reason the World Health Organization recommends a maximum intake of 2 g per day and a 30 % reduction in population sodium intake by 2025. However, in global reviews, data on sodium intake in sub-Saharan Africa have been limited. METHODS: A systematic review was conducted to identify studies reporting sodium intake in sub-Saharan African populations. Meta-regression analyses were used to test the effect of year of data collection and method of data collection (urinary/dietary), as well as any association between sex, urban/rural status or a country's economic development, and population sodium intake...
January 11, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27903563/leveraging-ongoing-research-to-evaluate-the-health-impacts-of-south-africa-s-salt-reduction-strategy-a-prospective-nested-cohort-within-the-who-sage-multicountry-longitudinal-study
#7
Karen Charlton, Lisa J Ware, Elias Menyanu, Richard Berko Biritwum, Nirmala Naidoo, Chiné Pieterse, Savathree Lorna Madurai, Jeannine Baumgartner, George A Asare, Elizabeth Thiele, Aletta E Schutte, Paul Kowal
INTRODUCTION: Attempting to curb the rising epidemic of hypertension, South Africa implemented legislation in June 2016 mandating maximum sodium levels in a range of manufactured foods that contribute significantly to population salt intake. This natural experiment, comparing two African countries with and without salt legislation, will provide timely information on the impact of legislative approaches addressing the food supply to improve blood pressure in African populations. This article outlines the design of this ongoing prospective nested cohort study...
November 30, 2016: BMJ Open
https://www.readbyqxmd.com/read/27903514/do-high-salt-microenvironments-drive-hypertensive-inflammation
#8
Jason D Foss, Annet Kirabo, David G Harrison
Hypertension is a global epidemic affecting over one billion people worldwide. Despite this, the etiology of most cases of human hypertension remains obscure and treatment remains suboptimal. Excessive dietary salt and inflammation are known contributors to the pathogenesis of this disease. Recently, it has been recognized that salt can accumulate in the skin and skeletal muscle producing concentrations of sodium greater than the plasma in hypertensive animals and humans. Such elevated levels of sodium have been shown to alter immune cell function...
November 30, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27903222/sustained-elabela-gene-therapy-in-high-salt-induced-hypertensive-rats
#9
Claire A Schreiber, Sara J Holditch, Alex Generous, Yasuhiro Ikeda
BACKGROUND: Elabela (ELA) is a recently identified apelin receptor agonist essential for cardiac development, but its biology and therapeutic potential are unclear. In humans ELA transcripts are detected in embryonic stem cells, induced pluripotent stem cells, kidney, heart and blood vessels. ELA through the apelin receptor promotes angiogenesis in vitro, relaxes murine aortic blood vessels and attenuates high blood pressure in vivo. The apelin receptor when bound to its original ligand, apelin, exerts peripheral vasodilatory and positive inotropic effects, conferring cardioprotection in vivo...
November 21, 2016: Current Gene Therapy
https://www.readbyqxmd.com/read/27898523/role-of-corin-in-the-regulation-of-blood-pressure
#10
Hui Li, Yue Zhang, Qingyu Wu
PURPOSE OF REVIEW: Corin is a transmembrane protease that activates atrial natriuretic peptide (ANP), an important hormone in regulating salt-water balance and blood pressure. This review focuses on the regulation of corin function and potential roles of corin defects in hypertensive, heart, and renal diseases. RECENT FINDINGS: Proprotein convertase subtilisin/kexin-6 has been identified as a primary enzyme that converts zymogen corin to an active protease. Genetic variants that impair corin intracellular trafficking, cell surface expression, and zymogen activation have been found in patients with hypertension, cardiac hypertrophy, and pre-eclampsia...
November 24, 2016: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/27898506/estimation-of-populational-24-h-urinary-sodium-and-potassium-excretion-from-spot-urine-samples-evaluation-of-four-formulas-in-a-large-national-representative-population
#11
Jorge Polonia, Mariana F Lobo, Luis Martins, Fernando Pinto, Jose Nazare
OBJECTIVE: The aim of this study was to assess the validity of the estimation of 24-h urinary sodium (UNa) and urinary potassium (UK) excretion obtained through four formulae based on occasional urine samples. DESIGN AND METHODS: We analysed 2399 individuals (51% females) aged 18 to 96 years representatives of Portuguese population. Tanaka, Kawasaki, INTERSALT and NHANES formulae were used to predict 24-h UNa and UK excretions from spot morning urinary samples (OUrS)...
November 24, 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27895193/organum-vasculosum-of-the-lamina-terminalis-detects-nacl-to-elevate-sympathetic-nerve-activity-and-blood-pressure
#12
Brian J Kinsman, Sarah S Simmonds, Kirsteen N Browning, Sean D Stocker
High-salt diet elevates NaCl concentrations in the cerebrospinal fluid to increase sympathetic nerve activity (SNA) in salt-sensitive hypertension. The organum vasculosum of the lamina terminalis (OVLT) resides along the rostral wall of the third ventricle, lacks a complete blood-brain barrier, and plays a pivotal role in body fluid homeostasis. Therefore, the present study used a multifaceted approach to examine whether OVLT neurons of Sprague-Dawley rats are intrinsically sensitive to changes in extracellular NaCl concentrations and mediate the sympathoexcitatory responses to central NaCl loading...
November 28, 2016: Hypertension
https://www.readbyqxmd.com/read/27895191/putative-mechanism-of-salt-dependent-neurogenic-hypertension-cell-autonomous-activation-of-organum-vasculosum-laminae-terminalis-neurons-by-hypernatremia
#13
EDITORIAL
https://www.readbyqxmd.com/read/27893293/prevelence-of-primary-aldosteronism-in-an-urban-hypertensive-population
#14
Sandi-Jo Galati, Khadeen C Cheesman, Ryan Springer-Miller, Sarah M Hopkins, Lawrence Krakoff, Emilia Bagiella, Rachel A Zhuk, Tiffany K Ying, Chelsey Amer, Michael K Boyajian, W B Inabnet, Alice C Levine
OBJECTIVE: To determine the prevalence of primary aldosteronism (PA) in hypertensive patients presenting to the primary care clinic at The Mount Sinai Hospital, regardless of the degree of hypertension and to identify clinical criteria that should prompt screening for PA. METHODS: An aldosterone:renin ratio (ARR, cutoff ≥20, with plasma aldosterone concentration [PAC] ≥10 and suppressed renin) was used to prospectively screen 296 hypertensive patients (blood pressure [BP] ≥140/90) over the age of 18 from August 2012 through May 2013...
November 2016: Endocrine Practice
https://www.readbyqxmd.com/read/27886793/innovative-approaches-to-hypertension-control-in-low-and-middle-income-countries
#15
REVIEW
Rajesh Vedanthan, Antonio Bernabe-Ortiz, Omarys I Herasme, Rohina Joshi, Patricio Lopez-Jaramillo, Amanda G Thrift, Jacqui Webster, Ruth Webster, Karen Yeates, Joyce Gyamfi, Merina Ieremia, Claire Johnson, Jemima H Kamano, Maria Lazo-Porras, Felix Limbani, Peter Liu, Tara McCready, J Jaime Miranda, Sailesh Mohan, Olugbenga Ogedegbe, Brian Oldenburg, Bruce Ovbiagele, Mayowa Owolabi, David Peiris, Vilarmina Ponce-Lucero, Devarsetty Praveen, Arti Pillay, Jon-David Schwalm, Sheldon W Tobe, Kathy Trieu, Khalid Yusoff, Valentin Fuster
Elevated blood pressure, a major risk factor for ischemic heart disease, heart failure, and stroke, is the leading global risk for mortality. Treatment and control rates are very low in low- and middle-income countries. There is an urgent need to address this problem. The Global Alliance for Chronic Diseases sponsored research projects focus on controlling hypertension, including community engagement, salt reduction, salt substitution, task redistribution, mHealth, and fixed-dose combination therapies. This paper reviews the rationale for each approach and summarizes the experience of some of the research teams...
February 2017: Cardiology Clinics
https://www.readbyqxmd.com/read/27884238/the-pressure-of-aging
#16
REVIEW
Majd AlGhatrif, Mingyi Wang, Olga V Fedorova, Alexei Y Bagrov, Edward G Lakatta
Significant hemodynamic changes ensue with aging, leading to an ever-growing epidemic of hypertension. Alterations in central arterial properties play a major role in these hemodynamic changes. These alterations are characterized by an initial decline in aortic distensibility and an increase of diastolic blood pressure, followed by a sharp increase in pulse wave velocity (PWV), and an increase in pulse pressure (PP) beyond the sixth decade. However, the trajectories of PWV and PP diverge with advancing age...
January 2017: Medical Clinics of North America
https://www.readbyqxmd.com/read/27884229/what-have-we-learned-from-the-genetics-of-hypertension
#17
REVIEW
Friedrich C Luft
Twin studies show that about half the risk of hypertension development is inherited. Mendelian hypertension has elucidated astounding basic pathways contributing to hypertension over (presumably) dietary salt intake or directly through increased peripheral vascular resistance. The Mendelian mutations exercise large effects on blood pressure. Inversely, studying the entire human genome for sources signaling blood pressure has yielded many signals with small effects. Thus far, few loci have been validated or translated into targets...
January 2017: Medical Clinics of North America
https://www.readbyqxmd.com/read/27881385/antihypertensive-effects-of-peroxisome-proliferator-activated-receptor-%C3%AE-%C3%AE-activation
#18
Marta Toral, Miguel Romero, Francisco Perez-Vizcaino, Juan Duarte, Rosario Jimenez
Peroxisome proliferator-activated receptors (PPARs) are members of the nuclear hormone receptor superfamily of ligand-activated transcription factors, which is composed of three members encoded by distinct genes: PPARα, PPARβ/δ, and PPARγ. The biological actions of PPARα and PPARγ and their potential as a cardiovascular therapeutic target have been extensively reviewed, whereas the biological actions of PPARβ/δ and its effectiveness as a therapeutic target in the treatment of hypertension remain less investigated...
November 23, 2016: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/27881160/distribution-and-patterning-of-non-communicable-disease-risk-factors-in-indigenous-mbororo-and-non-autochthonous-populations-in-cameroon-cross-sectional-study
#19
Nyuyki Clement Kufe, George Ngufor, George Mbeh, Jean Claude Mbanya
BACKGROUND: Data on Non-Communicable Diseases (NCDs) among indigenous populations are needed for interventions to improve health care. We conducted a survey in 2013 among rural indigenous Mbororo, Fulbe and other ethnic groups to determine the distribution of risk factors of NCDs in Cameroon. METHODS: We selected seven targets of NCD risk factors: tobacco use, alcohol use, diet (salt/sugar intake, vegetable/fruit consumption), raised blood pressure, raised blood glucose, physical inactivity and weight measures...
November 24, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27880781/assessment-of-blood-pressure-control-among-hypertensive-patients-in-southwest-ethiopia
#20
Solomon Woldegebriel Asgedom, Esayas Kebede Gudina, Tigestu Alemu Desse
BACKGROUND: The rate of blood pressure control among hypertensive patients is poor and the reasons for poor control of blood pressure remain poorly understood globally. OBJECTIVE: To assess the rate of blood pressure control among adult hypertensive patients at Jimma University Specialized Hospital. MATERIALS AND METHODS: We conducted a hospital based cross sectional study among adult hypertensive patients at Jimma University Specialized Hospital hypertension clinic from March 4, 2015 to April 3, 2015...
2016: PloS One
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