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https://www.readbyqxmd.com/read/28531232/changes-in-primary-healthcare-providers-attitudes-and-counseling-behaviors-related-to-dietary-sodium-reduction-docstyles-2010-and-2015
#1
Zerleen S Quader, Mary E Cogswell, Jing Fang, Sallyann M Coleman King, Robert K Merritt
High blood pressure is a major risk factor for cardiovascular disease. The 2013 ACC/AHA Lifestyle Management Guideline recommends counseling pre-hypertensive and hypertensive patients to reduce sodium intake. Population sodium reduction efforts have been introduced in recent years, and dietary guidelines continued to emphasize sodium reduction in 2010 and 2015. The objective of this analysis was to determine changes in primary health care providers' sodium-reduction attitudes and counseling between 2010 and 2015...
2017: PloS One
https://www.readbyqxmd.com/read/28530328/-the-israeli-rat-genome-center
#2
REVIEW
Yoram Yagil, Chana Yagil
The Israeli Rat Genome Center, which is located at the Barzilai Medical Center Campus of the Faculty of Health Sciences of the Ben-Gurion University of the Negev in Ashkelon, was established to provide a repository of unique genetic strains of rats that were created in Israel and that simulate complex diseases. The Center incorporates models of: salt-sensitive hypertension (SBN/y and SBH/y rats), type 2 diabetes (CDr and CDs rats), combined hypertension and diabetes (CRDH) and additional genetic strains (transgenics, consomics, congenics)...
August 2016: Harefuah
https://www.readbyqxmd.com/read/28528375/hypothalamic-signaling-in-body-fluid-homeostasis-and-hypertension
#3
REVIEW
Brian J Kinsman, Haley N Nation, Sean D Stocker
PURPOSE OF REVIEW: The central nervous system plays a pivotal role in the regulation of extracellular fluid volume and consequently arterial blood pressure. Key hypothalamic regions sense and integrate neurohumoral signals to subsequently alter intake (thirst and salt appetite) and output (renal excretion via neuroendocrine and autonomic function). Here, we review recent findings that provide new insight into such mechanisms that may represent new therapeutic targets. RECENT FINDINGS: Implementation of cutting edge neuroscience approaches such as opto- and chemogenetics highlight pivotal roles of circumventricular organs to impact body fluid homeostasis...
June 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28526806/the-relationship-among-cardiac-structure-dietary-salt-and-aldosterone-in-patients-with-primary-aldosteronism
#4
Chi-Sheng Hung, Xue-Ming Wu, Ching-Way Chen, Ying-Hsien Chen, Vin-Cent Wu, Che-Wei Liao, Yi-Yao Chang, Ruh-Fang Yen, Ching-Chu Lu, Mao-Yuan M Su, Kao-Lang Liu, Chin-Chen Chang, Li-Yu Daisy Liu, Kwan-Dun Wu, Yen-Hung Lin
Salt intake is highly associated with cardiac structure in patients with primary aldosteronism (PA). We investigated the association among dietary salt intake, aldosterone and left ventricular mass in patients with PA. We enrolled 158 patients with PA and 158 patients with essential hypertension. We measured 24-hour urinary sodium (UNa) and aldosterone (UAldo) level and echocardiography parameters. In patients with PA, the UAldo level was positively correlated with left ventricular mass index (LVMI; r=0.231, p=0...
April 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28515645/effect-of-abalone-hydrolysates-encapsulated-by-double-emulsion-on-the-physicochemical-and-sensorial-properties-of-fresh-cheese
#5
HeeJeong Choi, Soo-Jin Kim, Sang-Yoon Lee, Mi-Jung Choi
The intake of dietary salt through food now exceeds current nutritional recommendations and is thought to have negative effects on human health, such as the increasing prevalence of hypertension. This study was performed to investigate whether W1/O/W2 double emulsions can be used to enhance the saltiness of cheese without increasing the salt content (W1 is distilled water or 1% abalone hydrolysate, and W2 is 1% NaCl or 1% abalone hydrolysate + 1% NaCl solution). We also investigated the effect of adding abalone hydrolysate to the double emulsion as a saltiness enhancer...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/28515432/high-salt-intake-negatively-regulates-fat-deposition-in-mouse
#6
Huanxian Cui, Shuyan Yang, Maiqing Zheng, Ranran Liu, Guiping Zhao, Jie Wen
High-salt (HS) intake contributes to hypertension and cardiopathy, but the effect of HS on fat deposition is controversial. Feed intake, fat mass, the percentage of abdominal fat, heat production, rate of oxygen consumption and the respiratory exchange ratio of mice on a HS diet were significantly decreased (P < 0.01 or 0.05) compared with mice on a normal-salt (NS) diet. An in vitro experiment with differentiating pre-adipocytes showed reduced fat deposition in the presence of high concentrations of NaCl (>0...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28515190/interaction-of-ace-genotype-and-salt-intake-on-hypertension-among-chinese-kazakhs-results-from-a-population-based-cross-sectional-study
#7
Yuyan Wang, Biao Zhang, Lei Hou, Wei Han, Fang Xue, Yanhong Wang, Yong Tang, Shaohua Liang, Weizhi Wang, Kuliqian Asaiti, Zixing Wang, Yaoda Hu, Lei Wang, Changchun Qiu, Mingtao Zhang, Jingmei Jiang
OBJECTIVES: To explore the effect of interaction between ACE genotype and salt intake on hypertension among Chinese Kazakhs, and to compare applications of interactions between logistic model and generalised partially linear tree-based regression (GPLTR) model. DESIGN: Population-based cross-sectional study. SETTING: Hong Dun, North Xinjiang, China. PARTICIPANTS: Non-consanguineous Chinese Kazakh participants (n=916, 342 men and 574 women) aged ≥30 years...
May 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28512108/clinical-relevance-and-role-of-neuronal-at1-receptors-in-adam17-mediated-ace2-shedding-in-neurogenic-hypertension
#8
Jiaxi Xu, Srinivas Sriramula, Huijing Xia, Lisa Moreno-Walton, Frank Culicchia, Oliver Domenig, Marko Poglitsch, Eric Lazartigues
Rationale: Neurogenic hypertension is characterized by an increase in sympathetic activity and often resistance to drug treatments. We previously reported that it is also associated with a reduction of Angiotensin Converting Enzyme 2 (ACE2) and an increase in A Disintegrin And Metalloprotease 17 (ADAM17) activity in experimental hypertension. In addition, while multiple cells within the central nervous system have been involved in the development of neurogenic hypertension, the contribution of ADAM17 has not been investigated...
May 16, 2017: Circulation Research
https://www.readbyqxmd.com/read/28507171/first-in-man-demonstration-of-direct-endothelin-mediated-natriuresis-and-diuresis
#9
Robert W Hunter, Rebecca Moorhouse, Tariq E Farrah, Iain M MacIntyre, Takae Asai, Peter J Gallacher, Debbie Kerr, Vanessa Melville, Alicja Czopek, Emma E Morrison, Jess R Ivy, James W Dear, Matthew A Bailey, Jane Goddard, David J Webb, Neeraj Dhaun
Endothelin (ET) receptor antagonists are potentially novel therapeutic agents in chronic kidney disease and resistant hypertension, but their use is complicated by sodium and water retention. In animal studies, this side effect arises from ETB receptor blockade in the renal tubule. Previous attempts to determine whether this mechanism operates in humans have been confounded by the hemodynamic consequences of ET receptor stimulation/blockade. We aimed to determine the effects of ET signaling on salt transport in the human nephron by administering subpressor doses of the ET-1 precursor, big ET-1...
May 15, 2017: Hypertension
https://www.readbyqxmd.com/read/28501304/speculations-on-salt-and-the-genesis-of-arterial-hypertension
#10
REVIEW
Jens Titze, Friedrich C Luft
Blood pressure salt sensitivity and salt resistance are mechanistically imperfectly explained. A prescient systems medicine approach by Guyton and colleagues-more than 50 years ago-suggested how salt intake might influence blood pressure. They proposed that a high-salt diet engenders sodium accumulation, volume expansion, cardiac output adjustments, and then autoregulation for flow maintenance. The autoregulation in all vascular beds increases systemic vascular resistance, causing the kidneys to excrete more salt and water, thus reducing systems to normal and minimizing any changes in blood pressure...
June 2017: Kidney International
https://www.readbyqxmd.com/read/28494444/associations-of-usual-24-hour-sodium-and-potassium-intakes-with-blood-pressure-and-risk-of-hypertension-among-adults-in-china-s-shandong-and-jiangsu-provinces
#11
Jianwei Xu, Xiaorong Chen, Zeng Ge, Hao Liang, Liuxia Yan, Xiaolei Guo, Yongqing Zhang, Linhong Wang, Jixiang Ma
BACKGROUND/AIMS: High sodium intake and low intake of potassium can increase blood pressure (BP) and risk of developing hypertension. Few studies have examined the association between 24-h urinary sodium and potassium excretion and BP or risk of hypertension in China, and most used only a single 24-h urinary sample. METHODS: We analyzed data on 2281 participants aged 18-69 years by using two 24-h urinary sodium and potassium excretions from the supplemental baseline survey of the Shandong-Ministry of Health Action on Salt Reduction and Hypertension (SMASH) project...
April 25, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28492512/aldosterone-and-mineralocorticoid-receptors-physiology-and-pathophysiology
#12
John W Funder
Aldosterone is a uniquely terrestrial hormone, first appearing in lungfish, which have both gills and lungs. Mineralocorticoid receptors (MRs), on the other hand, evolved much earlier, and are found in cartilaginous and bony fish, presumptive ligand cortisol. MRs have equivalent high affinity for aldosterone, progesterone, and cortisol; in epithelia, despite much higher cortisol circulating levels, aldosterone selectively activates MRs by co-expression of the enzyme 11β-hydroxysteroid dehydrogenase, Type 11...
May 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28487006/cost-effectiveness-of-salt-reduction-to-prevent-hypertension-and-cvd-a-systematic-review
#13
Elisabeth Schorling, Dea Niebuhr, Anja Kroke
OBJECTIVE: To analyse and compare the cost-effectiveness of different interventions to reduce salt consumption. DESIGN: A systematic review of published cost-effectiveness analyses (CEA) and cost-utility analyses (CUA) was undertaken in the databases EMBASE, MEDLINE (PubMed), Cochrane and others until July 2016. Study selection was limited to CEA and CUA conducted in member countries of the Organisation for Economic Co-operation and Development (OECD) in English, German or French, without time limit...
May 10, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28482823/t-cells-contribute-to-hypertension-but-not-to-renal-injury-in-mice-with-subtotal-nephrectomy
#14
Nynke R Oosterhuis, Diana A Papazova, Hendrik Gremmels, Jaap A Joles, Marianne C Verhaar
BACKGROUND: The pathological condition of chronic kidney disease may not be adequately recapitulated in immunocompromised mice due to the lack of T-cells, which are important for the development of hypertension and renal injury. We studied the role of the immune system in relation to salt-sensitive hypertension and renal injury in mice with subtotal nephrectomy (SNX). METHODS: Wild-type immunocompetent (WT) and Foxn1(nu/nu) athymic immunodeficient (AT) CD-1 mice underwent SNX to induce renal injury after which they received standard chow or a high salt diet (HSD)...
May 8, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28482060/unsuccessfully-treated-hypertension-a-major-public-health-problem-with-a-potential-solution
#15
Curt D Furberg, Jean E Sealey, Jon D Blumenfeld
BACKGROUND: About one-half of all hypertensive adults do not have their blood pressure controlled. They are often prescribed medications that conform to national guidelines but they continue to have elevated blood pressure. This public health problem might be improved by applying plasma renin guided therapy. RESULTS: A contributor to the public health problem of unsuccessfully treated hypertension is that the circulating renin-angiotensin system (RAS) is not recognized in treatment guidelines as clinically relevant for the treatment of hypertension or as important as the body salt status for determining blood pressure levels...
May 8, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28479261/salt-and-essential-hypertension-pathophysiology-and-implications-for-treatment
#16
REVIEW
Michael A Garfinkle
Essential hypertension is common and is associated with significant morbidity and mortality. However, questions remain as to the exact physiological mechanisms underlying this disease. First, we discuss how essential hypertension may be largely a result of a maladaptation to a high-salt diet and that high blood pressure, rather than being an inactive side effect of high salt intake, may be an adaptive mechanism to improve salt secretion. Next, we explain how any physiological state that reduces urinary sodium concentrating ability may increase an individual's risk for salt-induced hypertension...
April 14, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28473924/culturally-adaptive-storytelling-intervention-versus-didactic-intervention-to-improve-hypertension-control-in-vietnam-a-cluster-randomized-controlled-feasibility-trial
#17
Hoa L Nguyen, Jeroan J Allison, Duc A Ha, Germán Chiriboga, Ha N Ly, Hanh T Tran, Cuong K Nguyen, Diem M Dang, Ngoc T Phan, Nguyen C Vu, Quang P Nguyen, Robert J Goldberg
BACKGROUND: Vietnam is experiencing an epidemiologic transition with an increased prevalence of non-communicable diseases. Novel, large-scale, effective, and sustainable interventions to control hypertension in Vietnam are needed. We report the results of a cluster-randomized feasibility trial at 3 months follow-up conducted in Hung Yen province, Vietnam, designed to evaluate the feasibility and acceptability of two community-based interventions to improve hypertension control: a "storytelling" intervention, "We Talk about Our Hypertension," and a didactic intervention...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28473772/lack-of-effects-of-metformin-and-aicar-chronic-infusion-on-the-development-of-hypertension-in-dahl-salt-sensitive-rats
#18
Tengis S Pavlov, Vladislav Levchenko, Daria V Ilatovskaya, Hui Li, Oleg Palygin, Nuria M Pastor-Soler, Kenneth R Hallows, Alexander Staruschenko
In the kidney, reabsorption via the epithelial sodium channel (ENaC) is involved in long-term blood pressure control. Previously we demonstrated that ENaC hyperactivity is associated with development of salt-sensitive (SS) hypertension in Dahl SS rats. AMP-activated kinase (AMPK), playing a role in cellular energy homeostasis, has been shown to decrease ENaC activity. Here, we tested whether metformin and AICAR, two drugs that activate AMPK, affect the development of salt-induced hypertension. High salt diet significantly increased mean arterial pressure (MAP) in Dahl SS rats...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28472315/physiological-phenotyping-for-personalized-therapy-of-uncontrolled-hypertension-in-africa
#19
Adeseye Akintunde, Justus Nondi, Kennedy Gogo, Erika S W Jones, Brian L Rayner, Daniel G Hackam, J David Spence
OBJECTIVES: African and African American hypertensives tend to retain salt and water, with lower levels of plasma renin and more resistant hypertension. We tested the hypothesis that physiological phenotyping with plasma renin and aldosterone would improve blood pressure control in uncontrolled hypertensives in Africa. METHODS: Patients at hypertension clinics in Nigeria, Kenya, and South Africa with a systolic blood pressure >140 mm Hg or diastolic pressure > 90 mm Hg despite treatment were allocated to usual care (UC) vs...
May 2, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28451854/role-of-vasopressin-in-rat-models-of-salt-dependent-hypertension
#20
REVIEW
Masha Prager-Khoutorsky, Katrina Y Choe, David I Levi, Charles W Bourque
PURPOSE OF REVIEW: Dietary salt intake increases both plasma sodium and osmolality and therefore increases vasopressin (VP) release from the neurohypophysis. Although this effect could increase blood pressure by inducing fluid reabsorption and vasoconstriction, acute activation of arterial baroreceptors inhibits VP neurons via GABAA receptors to oppose high blood pressure. Here we review recent findings demonstrating that this protective mechanism fails during chronic high salt intake in rats...
May 2017: Current Hypertension Reports
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