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Aldosterone antagonist

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https://www.readbyqxmd.com/read/28444995/peripheral-artery-disease-and-risk-of-adverse-outcomes-in-heart-failure-with-preserved-ejection-fraction
#1
Pratik B Sandesara, Muhammad Hammadah, Ayman Samman-Tahhan, Heval M Kelli, Wesley T O'Neal
BACKGROUND: Peripheral artery disease (PAD) in heart failure with preserved ejection fraction (HFpEF) is associated with an increased mortality risk, but the risk of individual outcomes associated with PAD in this patient group is less clear. HYPOTHESIS: PAD is associated with adverse outcomes in HFpEF, including hospitalization and specific cardiovascular outcomes. METHODS: We examined the association between PAD and adverse outcomes in 3385 patients with HFpEF (mean age, 69 ± 9...
April 26, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28432191/gene-expression-effects-of-glucocorticoid-and-mineralocorticoid-receptor-agonists-and-antagonists-on-normal-human-skeletal-muscle
#2
Jessica A Chadwick, James Spencer Hauck, Celso E Gomez-Sanchez, Elise P Gomez-Sanchez, Jill A Rafael-Fortney
Mineralocorticoid and glucocorticoid receptors are closely related steroid hormone receptors that regulate gene expression through many of the same hormone response elements. However, their transcriptional activities and effects in skeletal muscles are largely unknown. We recently identified mineralocorticoid receptors (MR) in skeletal muscles after finding that combined treatment with the angiotensin-converting enzyme inhibitor lisinopril and MR antagonist spironolactone was therapeutic in Duchenne muscular dystrophy mouse models...
April 21, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28430837/hypertensive-patients-that-respond-to-aldosterone-antagonists-may-have-a-nonclassical-11%C3%AE-hsd2-deficiency
#3
Alejandra Tapia-Castillo, Cristian A Carvajal, Fidel Allende, Carmen Campino, Carlos E Fardella
No abstract text is available yet for this article.
April 19, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28430429/potential-glucocorticoid-and-mineralocorticoid-effects-of-nine-organophosphate-flame-retardants
#4
Quan Zhang, Jinghua Wang, Jianqiang Zhu, Jing Liu, Meirong Zhao
Organophosphate flame retardants (OPFRs), as alternatives of polybrominated diphenyl ethers (PBDEs), have been frequently detected in the environment and biota, and could pose adverse effects on organisms. However, information on the potential endocrine disruption of OPFRs, especially their effects on steroid hormone receptors, such as glucocorticoid and mineralocorticoid receptors (GR/MR), is limited. In this study, the dual-luciferase reporter gene assay via GR/MR and a H295R steroidogenesis assay were employed to evaluate the endocrine disruption of nine OPFRs...
April 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28422753/steroid-metabolome-analysis-reveals-prevalent-glucocorticoid-excess-in-primary-aldosteronism
#5
Wiebke Arlt, Katharina Lang, Alice J Sitch, Anna S Dietz, Yara Rhayem, Irina Bancos, Annette Feuchtinger, Vasileios Chortis, Lorna C Gilligan, Philippe Ludwig, Anna Riester, Evelyn Asbach, Beverly A Hughes, Donna M O'Neil, Martin Bidlingmaier, Jeremy W Tomlinson, Zaki K Hassan-Smith, D Aled Rees, Christian Adolf, Stefanie Hahner, Marcus Quinkler, Tanja Dekkers, Jaap Deinum, Michael Biehl, Brian G Keevil, Cedric H L Shackleton, Jonathan J Deeks, Axel K Walch, Felix Beuschlein, Martin Reincke
BACKGROUND: Adrenal aldosterone excess is the most common cause of secondary hypertension and is associated with increased cardiovascular morbidity. However, adverse metabolic risk in primary aldosteronism extends beyond hypertension, with increased rates of insulin resistance, type 2 diabetes, and osteoporosis, which cannot be easily explained by aldosterone excess. METHODS: We performed mass spectrometry-based analysis of a 24-hour urine steroid metabolome in 174 newly diagnosed patients with primary aldosteronism (103 unilateral adenomas, 71 bilateral adrenal hyperplasias) in comparison to 162 healthy controls, 56 patients with endocrine inactive adrenal adenoma, 104 patients with mild subclinical, and 47 with clinically overt adrenal cortisol excess...
April 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28420172/subtype-diagnosis-of-primary-aldosteronism-is-adrenal-vein-sampling-always-necessary
#6
REVIEW
Fabrizio Buffolo, Silvia Monticone, Tracy A Williams, Denis Rossato, Jacopo Burrello, Martina Tetti, Franco Veglio, Paolo Mulatero
Aldosterone producing adenoma and bilateral adrenal hyperplasia are the two most common subtypes of primary aldosteronism (PA) that require targeted and distinct therapeutic approaches: unilateral adrenalectomy or lifelong medical therapy with mineralocorticoid receptor antagonists. According to the 2016 Endocrine Society Guideline, adrenal venous sampling (AVS) is the gold standard test to distinguish between unilateral and bilateral aldosterone overproduction and therefore, to safely refer patients with PA to surgery...
April 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28409833/dietary-salt-blunts-vasodilation-by-stimulating-epithelial-sodium-channels-in-endothelial-cells-from-salt-sensitive-rats
#7
Zi-Rui Wang, Hui-Bin Liu, Ying-Ying Sun, Qing-Qing Hu, Yu-Xia Li, Wei-Wan Zheng, Chang-Jiang Yu, Xin-Yuan Li, Ming-Ming Wu, Bin-Lin Song, Jian-Jun Mu, Zu-Yi Yuan, Zhi-Ren Zhang, He-Ping Ma
BACKGROUND AND PURPOSE: Our recent studies show that the reduced activity of epithelial sodium channels (ENaC) in endothelial cells accounts for the adaptation of vasculature to salt in Sprague-Dawley (SD) rats. The present study examines a hypothesis that enhanced ENaC activity mediates the loss of vasorelaxation in Dahl salt-sensitive (SS) rats. EXPERIMENTAL APPROACH: We used the cell-attached patch-clamp technique to record ENaC activity in split-open mesenteric arteries...
April 13, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28400916/angiotensin-receptor-blocker-drugs-and-inhibition-of-adrenal-beta-arrestin-1-dependent-aldosterone-production-implications-for-heart-failure-therapy
#8
EDITORIAL
Anastasios Lymperopoulos, Beatrix Aukszi
Aldosterone mediates many of the physiological and pathophysiological/cardio-toxic effects of angiotensin II (AngII). Its synthesis and secretion from the zona glomerulosa cells of the adrenal cortex, elevated in chronic heart failure (HF), is induced by AngII type 1 receptors (AT1Rs). The AT1R is a G protein-coupled receptor, mainly coupling to Gq/11 proteins. However, it can also signal through β-arrestin-1 (βarr1) or -2 (βarr2), both of which mediate G protein-independent signaling. Over the past decade, a second, Gq/11 protein-independent but βarr1-dependent signaling pathway emanating from the adrenocortical AT1R and leading to aldosterone production has become appreciated...
March 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28398368/-the-apulia-hf-multicenter-study-efficacy-of-a-management-protocol-shared-between-hospital-and-territorial-health-services-for-acute-decompensated-heart-failure-patients
#9
Massimo Iacoviello, Sergio Pede, Nadia Aspromonte, Francesca Bux, Mariligia Panunzio, Vittorio Donadeo, Alessandra De Castro, Ettore Antoncecchi, Nicola D'Amato, Elisabetta Squiccimarro, Bartolomeo Silvestri, Lucia Malerba, Luisa De Gennaro, Giuseppe Modugno, Elena Serafini, Biagio Curci, Dario Grande, Furio Colivicchi, Giovanni De Luca, Gianfranco Ignone, Carlo D'Agostino, Pasquale Caldarola
BACKGROUND: The aim of this study was to demonstrate the efficacy of a management model to reduce hospitalizations in patients recently admitted for acute decompensated heart failure. METHODS: The management model was based on a close integration between hospital and territory health services. Clinical evaluation, ECG, echocardiographic findings, total body bioimpedance and brain natriuretic peptide serum levels were used to assess clinical stability of patients at discharge and during follow-up...
February 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28395886/gender-differences-in-the-risk-of-adverse-outcomes-in-patients-with-atrial-fibrillation-and-heart-failure-with-preserved-ejection-fraction
#10
Wesley T O'Neal, Pratik Sandesara, Muhammad Hammadah, Sanjay Venkatesh, Ayman Samman-Tahhan, Heval M Kelli, Elsayed Z Soliman
Atrial fibrillation (AF) is associated with an increased risk for adverse events in patients with heart failure with preserved ejection fraction (HFpEF), but it is currently unknown if gender differences in these outcomes exist. To explore this hypothesis, we examined gender differences in the associations of AF with adverse outcomes in 3,385 (mean age 69 ± 9.6 years, 49% male, 89% white) patients with HFpEF from the Treatment of Preserved Cardiac Function Heart Failure With an Aldosterone Antagonist Trial...
March 16, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28382959/treatment-of-primary-aldosteronism-is-associated-with-a-reduction-in-the-severity-of-obstructive-sleep-apnoea
#11
M J Wolley, E Pimenta, D Calhoun, R D Gordon, D Cowley, M Stowasser
Obstructive sleep apnoea (OSA) is known to commonly co-exist with primary aldosteronism (PA), but it is unknown if treatment of PA improves sleep apnoea parameters in these patients. We therefore aimed to determine whether specific medical or surgical treatment of PA improves OSA, as measured by the apnoea-hypopnoea index (AHI). We recruited patients undergoing diagnostic workup for PA if they had symptoms suggestive of OSA. Patients with confirmed PA underwent polysomnography (PSG) at baseline and again at least 3 months after specific treatment for PA...
April 6, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28382926/aldosterone-induces-inflammatory-cytokines-in-penile-corpus-cavernosum-by-activating-the-nf-%C3%AE%C2%BAb-pathway
#12
Fei Wu, Zu-Quan Xiong, Shan-Hua Mao, Ji-Meng Hu, Jian-Qing Wang, Hao-Wen Jiang, Qiang Ding
Emerging evidence indicates that aldosterone and mineralocorticoid receptors (MRs) are associated with the pathogenesis of erectile dysfunction. However, the molecular mechanisms remain largely unknown. In this study, freshly isolated penile corpus cavernosum tissue from rats was treated with aldosterone, with or without MRs inhibitors. Nuclear factor (NF)-kappa B (NF-κB) activity was evaluated by real-time quantitative PCR, luciferase assay, and immunoblot. The results demonstrated that mRNA levels of the NF-κB target genes, including inhibitor of NF-κB alpha (IκB-α), NF-κB1, tumor necrosis factor-alpha (TNF-α), and interleukin 6 (IL-6), were higher after aldosterone treatment...
April 4, 2017: Asian Journal of Andrology
https://www.readbyqxmd.com/read/28382468/role-of-hyperkalemia-in-heart-failure-and-the-therapeutic-use-of-potassium-binders
#13
Chaudhry M S Sarwar, Aditi A Bhagat, Stefan D Anker, Javed Butler
Hyperkalemia can be a life-threatening disorder, especially for at-risk patients with heart failure, chronic kidney disease, with diabetes, and patients on certain drugs like renin-angiotensin-aldosterone system antagonists and mineralocorticoid receptor antagonists. There are limited therapeutic options available for hyperkalemia, and they have narrow effectiveness because of their unfavorable side effects profile in long-term and high cost utilization requiring inpatient care. Patiromersorbitex calcium and sodium zirconium cyclosilicate are novel potassium-lowering compounds for the treatment and prevention of hyperkalemia in at-risk population...
April 6, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28379310/echocardiographic-predictors-of-atrial-fibrillation-in-patients-with-heart-failure-with-preserved-ejection-fraction
#14
Wesley T O'Neal, Pratik Sandesara, Nikhil Patel, Sanjay Venkatesh, Ayman Samman-Tahhan, Muhammad Hammadah, Heval M Kelli, Elsayed Z Soliman
Aims: To determine if markers of diastolic dysfunction are associated with atrial fibrillation (AF) development among patients with heart failure with preserved ejection fraction (HFpEF). Methods and results: We examined the association of several echocardiographic measures of diastolic dysfunction with incident AF in 573 patients (mean age = 68 ± 9.5 years; 48% men; 79% white) with HFpEF from the Treatment of Preserved Cardiac Function Heart Failure With an Aldosterone Antagonist Trial (TOPCAT) who were free of baseline AF...
March 30, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28376078/the-expression-of-renin-angiotensin-aldosterone-axis-components-in-infantile-hemangioma-tissue-and-the-impact-of-propranolol-treatment
#15
James R Dornhoffer, Ting Wei, Haihong Zhang, Emily Miller, Mario Cleves, Gresham T Richter
BACKGROUND: Propranolol's mechanism of action for controlling infantile hemangioma (IH) remains unclear. We hypothesize that this non-selective beta antagonist downregulates Renin-Angiotensin-Aldosterone (RAA) axis components, preventing angiogenic substrate induction of IH. METHODS: IH tissue and serum were collected from children with propranolol-treated or untreated IHs during surgery. Patients' normal skin and serum from demographically matched children were used as controls...
April 4, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28371247/ivabradine-current-and-future-treatment-of-heart-failure
#16
Lene Thorup, Ulf Simonsen, Daniela Grimm, Elise Røge Hedegaard
In heart failure (HF), the heart cannot pump blood efficiently and is therefore unable to meet the body's demands of oxygen, and/or there is increased end diastolic pressure. Current treatments for heart failure with reduced ejection fraction (HFrEF) include angiotensin-converting enzyme (ACE)-inhibitors, angiotension receptor type 1 (AT1 ) antagonists, β-adrenoceptor-antagonists, aldosterone receptor antagonists, diuretics, digoxin and a combination drug with AT1 receptor antagonist and neprilysin inhibitor...
April 2, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28359417/early-adoption-of-sacubitril-valsartan-for-patients-with-heart-failure-with-reduced-ejection-fraction-insights-from-get-with-the-guidelines-heart-failure-gwtg-hf
#17
Nancy Luo, Gregg C Fonarow, Steven J Lippmann, Xiaojuan Mi, Paul A Heidenreich, Clyde W Yancy, Melissa A Greiner, Bradley G Hammill, N Chantelle Hardy, Stuart J Turner, Warren K Laskey, Lesley H Curtis, Adrian F Hernandez, Robert J Mentz, Emily C O'Brien
OBJECTIVES: The aim of this study was to assess the prevalence and variation in angiotensin receptor/neprilysin inhibitor (ARNI) prescription among a real-world population with heart failure with reduced ejection fraction (HFrEF). BACKGROUND: The U.S. Food and Drug Administration approved sacubitril/valsartan for patients with HFrEF in July 2015. Little is known about the early patterns of use of this novel therapy. METHODS: The study included patients discharged alive from hospitals in Get With the Guidelines-Heart Failure (GWTG-HF), a registry of hospitalized patients with heart failure, between July 2015 and June 2016 who had documentation of whether ARNIs were prescribed at discharge...
April 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28359411/interaction-between-spironolactone-and-natriuretic-peptides-in-patients-with-heart%C3%A2-failure-and-preserved-ejection%C3%A2-fraction-from-the-topcat-trial
#18
Inder S Anand, Brian Claggett, Jiankang Liu, Amil M Shah, Thomas S Rector, Sanjiv J Shah, Akshay S Desai, Eileen O'Meara, Jerome L Fleg, Marc A Pfeffer, Bertram Pitt, Scott D Solomon
OBJECTIVES: The aims of this study were to explore the relationship of baseline levels of natriuretic peptides (NPs) with outcomes and to test for an interaction between baseline levels of NPs and the effects spironolactone. BACKGROUND: Plasma NPs are considered to be helpful in the diagnosis of heart failure (HF) with preserved ejection fraction (HFpEF), and elevated levels are associated with adverse outcomes. Levels of NPs higher than certain cutoffs are often used as inclusion criteria in clinical trials of HFpEF to increase the likelihood that patients have HF and to select patients at higher risk for events...
April 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28353548/is-renal-denervation-an-alternative-or-a-complement-to-aldosterone-antagonists-in-treatment-of-resistant-hypertension
#19
Idir Hamdidouche, Pierre Boutouyrie
No abstract text is available yet for this article.
May 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28349377/preferred-fourth-line-pharmacotherapy-for-resistant-hypertension-are-we-there-yet
#20
REVIEW
Hamish Cg Prosser, Cynthia Gregory, Dagmara Hering, Graham S Hillis, Greg Perry, Johan Rosman, Carl Schultz, Mark Thomas, Gerald F Watts, Markus P Schlaich
Resistant hypertension (RH) is defined as blood pressure (BP) that remains above target levels despite adherence to at least three different antihypertensive medications, typically including a diuretic. Epidemiological studies estimate that RH is increasing in prevalence, and is associated with detrimental health outcomes. The pathophysiology underlying RH is complex, involving multiple, overlapping contributors including activation of the renin-angiotensin aldosterone system and the sympathetic nervous system, volume overload, endothelial dysfunction, behavioural and lifestyle factors...
April 2017: Current Hypertension Reports
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