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Current Hypertension Reports

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https://www.readbyqxmd.com/read/28540644/the-epigenetic-machinery-in-vascular-dysfunction-and-hypertension
#1
REVIEW
Emile Levy, Schohraya Spahis, Jean-Luc Bigras, Edgard Delvin, Jean-Michel Borys
Hypertension (HT) is among the major components of the metabolic syndrome, i.e., obesity, dyslipidemia, and hyperglycemia/insulin resistance. It represents a significant health problem with foremost risks for chronic cardiovascular disease and a significant cause of morbidity and mortality worldwide. Therefore, it is not surprising that this disorder constitutes a serious public health concern. Although multiple studies have stressed the multifactorial nature of HT, the pathogenesis remains largely unknown...
June 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28528376/isometric-handgrip-as-an-adjunct-for-blood-pressure-control-a-primer-for-clinicians
#2
REVIEW
Cheri L McGowan, David N Proctor, Ian Swaine, Robert D Brook, Elizabeth A Jackson, Phillip D Levy
Considered a global health crisis by the World Health Organization, hypertension (HTN) is the leading risk factor for death and disability. The majority of treated patients do not attain evidence-based clinical targets, which increases the risk of potentially fatal complications. HTN is the most common chronic condition seen in primary care; thus, implementing therapies that lower and maintain BP to within-target ranges is of tremendous public health importance. Isometric handgrip (IHG) training is a simple intervention endorsed by the American Heart Association as a potential adjuvant BP-lowering treatment...
June 2017: Current Hypertension Reports
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/28501983/understanding-the-two-faces-of-low-salt-intake
#4
REVIEW
Branko Braam, Xiaohua Huang, William A Cupples, Shereen M Hamza
Fierce debate has developed whether low-sodium intake, like high-sodium intake, could be associated with adverse outcome. The debate originates in earlier epidemiological studies associating high-sodium intake with high blood pressure and more recent studies demonstrating a higher cardiovascular event rate with both low- and high-sodium intake. This brings into question whether we entirely understand the consequences of high- and (very) low-sodium intake for the systemic hemodynamics, the kidney function, the vascular wall, the immune system, and the brain...
June 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28501982/smartphone-applications-for-hypertension-management-a-potential-game-changer-that-needs-more-control
#5
REVIEW
Gianfranco Parati, Camilla Torlasco, Stefano Omboni, Dario Pellegrini
PURPOSE OF THE REVIEW: This review article will summarize available data on mobile applications for the management of hypertension, by highlighting their potential for clinical use, the current limitations and the yet pending issues to be addressed in future studies. RECENT FINDINGS: The number of available applications related to arterial hypertension and their usage by smartphone owners is constantly increasing. However, most applications lack standardization and scientific validation, and security flaws could be an important, yet still underrated, issue...
June 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28500575/salt-and-blood-pressure-cutting-through-the-scientific-fog
#6
REVIEW
Emrush Rexhaj, Franz H Messerli, David Cerny, Juergen Bohlender
No abstract text is available yet for this article.
June 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28488048/protective-angiotensin-type-2-receptors-in-the-brain-and-hypertension
#7
REVIEW
Annette D de Kloet, Ulrike M Steckelings, Colin Sumners
PURPOSE OF REVIEW: The goal of this review is to assess the evidence that activation of angiotensin type 2 receptors (AT2R) in the brain can lower blood pressure and possibly constitute an endogenous anti-hypertensive mechanism. RECENT FINDINGS: Recent studies that detail the location of AT2R in the brain, particularly within or near cardiovascular control centers, mesh well with findings from pharmacological and gene transfer studies which demonstrate that activation of central AT2R can influence cardiovascular regulation...
June 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28470470/role-of-paced-breathing-for-treatment-of-hypertension
#8
REVIEW
Relu Cernes, Reuven Zimlichman
PURPOSE OF REVIEW: Hypertension remains to be a major contributor to global morbidity and mortality. Despite a plethora of pharmacological options available, an abundance of patients have uncontrolled blood pressure thus creating the need for additional strategies, including non-pharmacologic approaches. In this review, we discuss the antihypertensive effect of slow and deep respiration by increasing baroreflex sensitivity. RECENT FINDINGS: Asking patients to carry out paced breathing sessions unaccompanied by a personal coach or unaided by a device may be unfeasible...
June 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28455674/androgens-and-hypertension-in-men-and-women-a-unifying-view
#9
REVIEW
Costanzo Moretti, Giulia Lanzolla, Marta Moretti, Lucio Gnessi, Enrico Carmina
PURPOSE OF REVIEW: This review was designed to revaluate the androgen role on the mechanisms of hypertension and cardiovascular risks in both men and women. Sex steroids are involved in the regulation of blood pressure, but pathophysiological mechanism is not well understood. Androgens have an important effect on metabolism, adipose and endothelial cell function, and cardiovascular risk in both men and women. A focal point in this contest is represented by the possible gender-specific regulation of different tissues and in particular of the adipose cell...
May 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28451854/role-of-vasopressin-in-rat-models-of-salt-dependent-hypertension
#10
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
https://www.readbyqxmd.com/read/28451853/management-of-hypertension-in-patients-with-chronic-kidney-disease
#11
REVIEW
Seyed Mehrdad Hamrahian
Hypertension is the leading factor in the global burden of disease. It is the predominant modifiable risk factor for stroke, heart disease, and kidney failure. Chronic kidney disease (CKD) is both a common cause and sequel of uncontrolled hypertension. The pathophysiology of CKD-associated hypertension is complex and multi-factorial. This paper reviews the key pathogenic mechanisms of CKD-associated hypertension, the importance of standardized blood pressure (BP) measurement in establishing the diagnosis and management plus the significance of ambulatory BP monitoring for assessment of diurnal BP variation commonly seen in CKD...
May 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28451852/mineralocorticoid-receptor-blockade-in-end-stage-renal-disease
#12
REVIEW
Radmila Lyubarova, Elvira O Gosmanova
PURPOSE OF REVIEW: The purpose of this study was to summarize recent findings about cardiovascular benefits and safety of aldosterone blockade in patients with end-stage renal disease (ESRD). RECENT FINDINGS: It is now well recognized that aldosterone's deleterious cardiovascular impact is not limited to its pressor effect arising from an increase in sodium reabsorption in the kidneys. Aldosterone has also been shown to increase blood pressure by a direct activation of the sympathetic nervous system, to cause endothelial and vascular smooth muscle cell dysfunction, myocardial remodeling and fibrosis, and to have pro-arrhythmogenic actions in the heart...
May 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28451851/obesity-associated-hypertension-the-upcoming-phenotype-in-african-american-women
#13
REVIEW
Rohan Samson, Andrea Qi, Abhishek Jaiswal, Thierry H Le Jemtel, Suzanne Oparil
PURPOSE OF REVIEW: The present obesity epidemic particularly affects African-American women. Whether the obesity epidemic will alter the hypertension phenotype in African-American women is entertained. RECENT FINDINGS: The prevalence of morbid obesity is steadily increasing in African-American women, who are prone to developing hypertension (HTN) even in the absence of obesity. The obesity-associated hypertension phenotype is characterized by marked sympathetic nervous system activation and resistance/refractoriness to antihypertensive therapy...
May 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28451850/drug-induced-hypertension-focus-on-mechanisms-and-management
#14
REVIEW
Alexandra R Lovell, Michael E Ernst
PURPOSE OF REVIEW: This review is intended to briefly describe the primary mechanistic pathways by which several common drugs can increase blood pressure. We also propose potential management strategies based on the underlying mechanisms responsible for the blood pressure elevation. RECENT FINDINGS: As hypertension is a significant risk factor for cardiovascular events, healthcare providers must evaluate patients' concomitant medications that may contribute to elevations in blood pressure...
May 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28451849/role-of-carotid-body-in-intermittent-hypoxia-related-hypertension
#15
REVIEW
Rodrigo Iturriaga, María Paz Oyarce, Ana Carolina Rodrigues Dias
Obstructive sleep apnea (OSA), a common breathing disorder, is recognized as an independent risk factor for systemic hypertension. Among the alterations induced by OSA, the chronic intermittent hypoxia (CIH) is considered the main factor for the hypertension. Exposure of rodents to CIH is the gold-standard method to study the mechanisms involved in the cardiovascular alterations induced by OSA. Although it is well known that CIH produces hypertension, the underlying mechanisms are not totally elucidated. It is likely that the CIH-induced systemic oxidative stress and inflammation may elicit endothelial dysfunction and increase the arterial blood pressure...
May 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28451848/does-potassium-deficiency-contribute-to-hypertension-in-children-and-adolescents
#16
REVIEW
Bonita Falkner
The increasing prevalence of cardiovascular risk factors in children and adolescents has been largely, but not entirely, related to the childhood obesity epidemic. Among the noted risk factors detectable in children is elevated blood pressure. Emerging findings indicate that in addition to overweight and obesity, sodium intake is associated with elevated blood pressure in youth. Moreover, dietary sodium intake is quite high and well above recommended levels throughout childhood. In adults, the relationship of sodium consumption with hypertension is well established, and there is evidence from both population and clinical studies that potassium intake is also associated with blood pressure...
May 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28444579/the-gut-its-microbiome-and-hypertension
#17
REVIEW
Elaine M Richards, Carl J Pepine, Mohan K Raizada, Seungbum Kim
PURPOSE OF THE REVIEW: Evidence is rapidly accumulating implicating gut dysbiosis in hypertension (HTN). However, we are far from understanding whether this is a cause or consequence of HTN, and how to best translate this fundamental knowledge to advance the management of HTN. This review aims to summarize recent advances in the field, illustrate the connections between the gut and hypertension, and establish that the gut microbiota (GM)-gut interaction is centrally positioned for consideration as an innovative approach for HTN therapeutics...
April 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28365886/obstructive-sleep-apnea-induced-hypertension-role-of-the-gut-microbiota
#18
REVIEW
David J Durgan
PURPOSE OF REVIEW: Obstructive sleep apnea (OSA) is a significant risk factor for systemic hypertension and other cardiovascular diseases. While this relationship has been firmly established, a detailed understanding of how OSA leads to hypertension is lacking. This review will examine the emerging idea that the gut microbiota plays a role in the development of hypertension, including that associated with OSA. RECENT FINDINGS: Disruption of the normal composition of the gut microbiota, termed dysbiosis, has been identified in a number of metabolic and cardiovascular diseases, including diabetes, obesity, and atherosclerosis...
April 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28353077/role-of-orexin-a-in-hypertension-and-obesity
#19
REVIEW
Imperatore Roberta, Palomba Letizia, Cristino Luigia
PURPOSE OF REVIEW: Hypertension is one of the most challenging health problems inducing cerebrovascular disease and high percentage of death when associated with diabetes, dyslipidemias, and obesity. Orexin/hypocretin is a peptide expressed by a small number of neurons of the dorsolateral hypothalamus, a brain feeding and autonomic "fight-or-flight" regulatory center. According to this function, orexin has been demonstrated to evoke cardiovascular responses, heart rate, hypertension, hyperarousal, hyperphagia, and obesity...
April 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28353076/doca-salt-hypertension-an-update
#20
REVIEW
Tyler Basting, Eric Lazartigues
Hypertension is a multifaceted disease that is involved in ∼40% of cardiovascular mortalities and is the result of both genetic and environmental factors. Because of its complexity, hypertension has been studied by using various models and approaches, each of which tends to focus on individual organs or tissues to isolate the most critical and treatable causes of hypertension and the related damage to end-organs. Animal models of hypertension have ranged from Goldblatt's kidney clip models in which the origin of the disease is clearly renal to animals that spontaneously develop hypertension either through targeted genetic manipulations, such as the TGR(mRen2)27, or selective breeding resulting in more enigmatic origins, as exemplified by the spontaneously hypertensive rat (SHR)...
April 2017: Current Hypertension Reports
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