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https://www.readbyqxmd.com/read/28087688/thirty-years-of-evidence-on-the-efficacy-of-drug-treatments-for-chronic-heart-failure-with-reduced-ejection-fraction-a-network-meta-analysis
#1
Heather Burnett, Amy Earley, Adriaan A Voors, Michele Senni, John J V McMurray, Celine Deschaseaux, Shannon Cope
BACKGROUND: Treatments that reduce mortality and morbidity in patients with heart failure with reduced ejection fraction, including angiotensin-converting enzyme inhibitors (ACEI), angiotensin receptor blockers (ARB), β-blockers (BB), mineralocorticoid receptor antagonists (MRA), and angiotensin receptor-neprilysin inhibitors (ARNI), have not been studied in a head-to-head fashion. This network meta-analysis aimed to compare the efficacy of these drugs and their combinations regarding all-cause mortality in patients with heart failure with reduced ejection fraction...
January 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28087430/ryanodine-receptor-1-polymorphism-is-not-associated-with-aneurysmal-subarachnoid-hemorrhage-or-its-clinical-sequelae
#2
Philipp Hendrix, Paul M Foreman, Mark R Harrigan, Winfield S Fisher, Nilesh A Vyas, Robert H Lipsky, Minkuan Lin, Beverly C Walters, R Shane Tubbs, Mohammadali M Shoja, Jean-Francois Pittet, Mali Mathru, Christoph J Griessenauer
OBJECTIVE: The pathophysiological mechanisms underlying cerebral vasospasm following aneurysmal subarachnoid hemorrhage (aSAH) remain poorly understand. Ryanodine receptors (RYR) are intracellular calcium channels involved in the regulation of vascular smooth muscle cells and cerebrovascular tone and diameter. Previous work reported an association between a RYR polymorphism and cerebral vasospasm. Here, we sought to assess the impact of that RYR polymorphism on aSAH and its clinical sequelae...
January 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28087333/nicotinamide-nucleotide-transhydrogenase-activity-impacts-mitochondrial-redox-balance-and-the-development-of-hypertension-in-mice
#3
Igor Leskov, Amber Neville, Xinggui Shen, Sibile Pardue, Christopher G Kevil, D Neil Granger, David M Krzywanski
Oxidant stress contributes to the initiation and progression of hypertension (HTN) by enhancing endothelial dysfunction and/or causing perturbations in nitric oxide homeostasis. Differences in mitochondrial function may augment this process and provide insight into why age of onset and clinical outcomes differ among individuals from distinct ethnic groups. We have previously demonstrated that variation in normal mitochondrial function and oxidant production exists in endothelial cells from individuals of Caucasian and African-American ethnicity and that this variation contributes to endothelial dysfunction...
December 16, 2016: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28087255/unknown-face-of-known-drugs-what-else-can-we-expect-from-angiotensin-converting-enzyme-inhibitors
#4
REVIEW
Anna Wzgarda, Robert Kleszcz, Monika Prokop, Katarzyna Regulska, Milosz Regulski, Jaroslaw Paluszczak, Beata J Stanisz
The renin-angiotensin system (RAS) is one of important systems among homeostatic mechanisms that controls the function of cardiovascular, renal and adrenal systems. As RAS has a very complex nature, it has been also found as related to the control of cell migration and apoptosis. Angiotensin-converting enzyme inhibitors (ACEI) are drugs most commonly used in the modulation of RAS activity. ACEI have been extensively described as effective in the treatment of hypertension among adults, but also as drugs delaying progression in diabetic nephropathy and reducing mortality in left ventricular dysfunction and congestive heart failure...
January 10, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28087008/apol1-genotype-blood-pressure-and-survival-in-african-americans-with-nondiabetic-nephropathy
#5
Todd W Robinson, Barry I Freedman
Several landmark trials have assessed the effects of aggressive hypertension control on the progression of nondiabetic chronic kidney disease. Results generally have been disappointing. With the realization that lowering blood pressure, including with renin-angiotensin system blockade, failed to reliably prevent end-stage kidney disease, studies now are analyzing longer-term effects of hypertension control on survival in chronic kidney disease. This commentary reviews the current findings and extends the discussion to apolipoprotein L1 gene by blood pressure (or gene by environment) interactions...
February 2017: Kidney International
https://www.readbyqxmd.com/read/28086795/atherosclerotic-and-thrombotic-genetic-and-environmental-determinants-in-egyptian-coronary-artery-disease-patients-a-pilot-study
#6
Manal S Fawzy, Eman A Toraih, Nagwa M Aly, Abeer Fakhr-Eldeen, Dahlia I Badran, Mohammad H Hussein
BACKGROUND: Coronary artery disease (CAD) is the leading cause of morbidity and mortality worldwide. Multiple genetic variants in combination with various environmental risk factors have been implicated. This study aimed to investigate the association of twelve thrombotic and atherosclerotic gene variants in combination with other environmental risk factors with CAD risk in a preliminary sample of Egyptian CAD patients. METHODS: Twenty three consecutive CAD patients undergoing diagnostic coronary angiography and 34 unrelated controls, have been enrolled in the study...
January 13, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28079534/practical-efficacy-of-olmesartan-versus-azilsartan-in-patients-with-hypertension-a-multicenter-randomized-controlled-trial-muscat-4-study
#7
Yuki Kakio, Haruhito A Uchida, Ryoko Umebayashi, Hidemi Takeuchi, Yuka Okuyama, Yoshihisa Hanayama, Jun Wada
BACKGROUND: Olmesartan and azilsartan, angiotensin II receptor blockers (ARBs), are expected to decrease blood pressure more than the other ARBs. We conducted randomized-controlled trials to compare the practical efficacy of olmesartan with azilsartan. METHODS: Eighty-four patients treated with the conventional ARBs for more than 3 months were assigned randomly to receive either 20 mg of olmesartan (olmesartan medoxomil, OL group) or 20 mg of azilsartan (azilsartan, not azilsartan medoxomil, AZ group) once daily for 16 weeks...
January 10, 2017: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/28079518/angiotensin-receptor-blockers-and-the-risk-of-cancer-data-mining-of-a-spontaneous-reporting-database-and-a-claims-database%C3%A2
#8
Mai Fujimoto, Migiwa Kanou, Kouichi Hosomi, Mitsutaka Takada
OBJECTIVE: The aim of this study was to examine the associations between angiotensin receptor blockers (ARBs) and the risk of 10 major cancers by employing different pharmacoepidemiological assessments. MATERIALS AND METHODS: Data from the first quarter of 2004 through 2012 were downloaded from the US Food and Drug Administration Adverse Event Reporting System (FAERS). The reporting odds ratio (ROR) and information component (IC) were used to detect the signals...
January 12, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28079007/novel-therapies-targeting-cardioprotection-and-regeneration
#9
Valeria Garrido, Evelyn Mendoza-Torres, Jaime A Riquelme, Ariel Díaz, Marcela Pizarro, Mario Bustamante, Myra N Chavez, María Paz Ocaranza, Rosemarie Mellado, Ramon Corbalan, Miguel L Allende, Sergio Lavandero
Cardiovascular disease is the leading cause of death worldwide. The heart is susceptible to pathologies that impact the myocardium directly, such myocardial infarction and consequent heart failure, as well as conditions with indirect cardiac effects, such cancer treatment-related cardiotoxicity. As the contractile cells of the heart, cardiomyocytes are essential for normal cardiac function. Various stress stimuli may result in transient damage or cell death in cardiomyocytes through apoptosis, necrosis or maladaptive autophagy...
January 12, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28078995/sphingolipids-in-genetic-and-acquired-forms-of-chronic-kidney-diseases
#10
Norishi Ueda
Sphingolipids (SLs) regulate apoptosis, proliferation, and stress response. SLs, including ceramide, glycosphingolipids (glucosylceramide, lactosylceramide, and gangliosides) and sphingosine-1-phosphate (S1P), play a role in the pathogenesis and progression of genetic (lysosomal storage disease, congenital nephrotic syndrome and polycystic kidney disease) and non-genetic forms of chronic kidney diseases (CKDs). SLs metabolism defects promote complications (cardiovascular events, etc.) via oxidant stress in CKDs...
January 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28077422/antxr2-knock-out-does-not-result-in-the-development-of-hypertension-in-rats
#11
Xiaoyan Liu, Wen Yuan, Jing Li, Lei Yang, Jun Cai
BACKGROUND: Our recent genetic study as well as robust evidences reported by previous genome-wide association studies (GWASs) have indicated that the single nucleotide polymorphism rs16998073, located near gene anthrax toxin receptor 2 (ANTXR2), was significantly associated with hypertension in Asians and Europeans. The aim of the present study was to determine whether ANTXR2 is the causal gene of hypertension at the 4q21 locus using an ANTXR2 knock-out model. METHODS: Relative expression of ANTXR2 in Wistar-Kyoto rats (WKYs) and spontaneously hypertensive rats (SHRs) were determined by real-time quantitative polymerase chain reaction and western blot analysis...
February 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28077107/recurrent-pneumonia-among-japanese-adults-disease-burden-and-risk-factors
#12
Tomoko Ishifuji, Eiichiro Sando, Norihiro Kaneko, Motoi Suzuki, Paul E Kilgore, Koya Ariyoshi, Konosuke Morimoto, Naoto Hosokawa, Makito Yaegashi, Masahiro Aoshima
BACKGROUND: In Japan and other societies with rapidly aging populations, recurrent pneumonia (RP) is a major clinical problem yet only limited information exists regarding the burden of this disease. METHODS: A prospective study of adult pneumonia was conducted to investigate the incidence of RP and potential risk factors. From February 1, 2012 to January 31, 2013, patients aged ≥ 15 years who were diagnosed with pneumonia were prospectively enrolled in a representative community hospital located in central Japan...
January 11, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28076452/angiotensin-1-7-relieved-renal-injury-induced-by-chronic-intermittent-hypoxia-in-rats-by-reducing-inflammation-oxidative-stress-and-fibrosis
#13
W Lu, J Kang, K Hu, S Tang, X Zhou, S Yu, L Xu
We aimed to study the renal injury and hypertension induced by chronic intermittent hypoxia (CIH) and the protective effects mediated by angiotensin 1-7 [Ang(1-7)]. We randomly assigned 32 male Sprague-Dawley rats (body weight 180-200 g) to normoxia control, CIH, Ang(1-7)-treated normoxia, and Ang(1-7)-treated CIH groups. Systolic blood pressure (SBP) was monitored at the start and end of each week. Renal sympathetic nerve activity (RSNA) was recorded. CTGF and TGF-β were detected by immunohistochemistry and western blotting...
January 9, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28076404/combined-inhibition-of-the-renin-angiotensin-system-and-neprilysin-positively-influences-complex-mitochondrial-adaptations-in-progressive-experimental-heart-failure
#14
Laura Grois, Julian Hupf, Jörg Reinders, Josef Schröder, Alexander Dietl, Peter M Schmid, Carsten Jungbauer, Markus Resch, Lars S Maier, Andreas Luchner, Christoph Birner
BACKGROUND: Inhibitors of the renin angiotensin system and neprilysin (RAS-/NEP-inhibitors) proved to be extraordinarily beneficial in systolic heart failure. Furthermore, compelling evidence exists that impaired mitochondrial pathways are causatively involved in progressive left ventricular (LV) dysfunction. Consequently, we aimed to assess whether RAS-/NEP-inhibition can attenuate mitochondrial adaptations in experimental heart failure (HF). METHODS AND RESULTS: By progressive right ventricular pacing, distinct HF stages were induced in 15 rabbits, and 6 animals served as controls (CTRL)...
2017: PloS One
https://www.readbyqxmd.com/read/28075105/heart-failure-due-to-reduced-ejection-fraction-medical-management
#15
William E Chavey, Robrt V Hogikyan, R Van Harrison, John M Nicklas
Heart failure is an increasingly common condition resulting in high rates of morbidity and mortality. For patients who have heart failure and reduced ejection fraction, randomized clinical trials demonstrate consistent mortality benefit from angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, direct-acting vasodilators, beta blockers, and aldosterone antagonists. Additionally, some data show benefits from two new classes of drugs: angiotensin receptor blocker/neprilysin inhibitor and sinus node modulator...
January 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28075064/efficacy-of-nebivolol-valsartan-single-pill-combination-in-obese-and-nonobese-patients-with-hypertension
#16
Christian W Mende, Thomas D Giles, David B Bharucha, William G Ferguson, Madhuja Mallick, Mehul D Patel
Antihypertensive efficacy of single-pill combinations (SPCs) consisting of a β1 -selective adrenergic blocker with vasodilatory properties via β3 -agonism (nebivolol) and an angiotensin II receptor blocker (valsartan) was demonstrated in an 8-week phase 3 trial (NCT01508026). In this post hoc analysis, seated blood pressure, heart rate, 24-hour ambulatory blood pressure monitoring, plasma aldosterone, estimated glomerular filtration rate, and safety measures were assessed in obese (body mass index >32 kg/m(2) ; n=1823) and nonobese (body mass index <27 kg/m(2) ; n=847) adults with hypertension (stage I or II) treated with nebivolol-valsartan SPCs, nebivolol or valsartan monotherapy, or placebo...
January 11, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28075040/n-acetyl-seryl-aspartyl-lysyl-proline-mediates-the-anti-fibrotic-properties-of-captopril-in-unilateral-ureteric-obstructed-balb-c-mice
#17
Gary Cw Chan, Hao Jia Wu, Kam Wa Chan, Stella Yiu, Ailis Zou, Xiao Ru Huang, Hui Yao Lan, Kar Neng Lai, Sydney Cw Tang
BACKGROUND: Angiotensin-converting enzyme inhibitors (ACEi) are widely employed to deter the progression of chronic kidney disease (CKD). Besides controlling hypertension and reduction of intra-glomerular pressure, ACEi appear to have anti-fibrotic effects in the renal cortex. N-acetyl-seryl-aspartyl-lysyl-proline (Ac-SDKP), an endogenous tetrapeptide that is degraded by ACE, has also been shown to ameliorate the pro-fibrotic phenotype displayed in CKD in our recent study. Whether the anti-fibrotic properties of ACEi are mediated by Ac-SDKP has not been fully investigated...
January 11, 2017: Nephrology
https://www.readbyqxmd.com/read/28073873/recurrent-angioedema-associated-with-pharmacological-inhibition-of-dipeptidyl-peptidase-iv
#18
Thorbjørn Hermanrud, Anette Bygum, Eva Rye Rasmussen
Angioedema (AE) of the upper airways is a severe and potentially life-threatening condition. The incidence has been increasing in the past two decades, primarily due to increased use of medications inhibiting the degradation of vasoactive peptides. Acquired angioedema related to angiotensin-converting enzyme inhibitors (ACEI-AAE) is well known, but other pharmaceutical agents also affect the degradation of bradykinin and substance P. We present a middle-aged man with recurrent episodes of severe AE of the oral cavity, hypopharynx and larynx due to pharmacological inhibition of dipeptidyl peptidase IV...
January 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28073349/the-mir-34a-5p-promotes-the-multi-chemoresistance-of-osteosarcoma-via-repression-of-the-agtr1-gene
#19
Youguang Pu, Fangfang Zhao, Yinpeng Li, Mingda Cui, Haiyan Wang, Xianghui Meng, Shanbao Cai
BACKGROUND: Chemoresistance hinders the curative cancer chemotherapy. MicroRNAs (miRNAs) are key players in diverse biological processes including the chemoresistance of cancers. METHODS: A RNA-seq-based miR-omic analysis of osteosarcoma (OS) cells was performed to detect the levels of miR-34a-5p. Bioinformatics analysis revealed that AGTR1 is one of the target genes of miR-34a-5p. The mRNA and protein levels of AGTR1 were detected in both the miR-34a-5p-mimic transfected G-292 and miR-34a-5p-antagomiR transfected SJSA-1 cells...
January 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28072557/expression-and-localization-of-the-at1-and-at2-angiotensin-ii-receptors-and-%C3%AE-1a-and-%C3%AE-1d-adrenergic-receptors-in-aorta-of-hypertensive-and-diabetic-rats
#20
Jessica Edith Rodríguez, Rodrigo Romero-Nava, Aldo Arturo Reséndiz-Albor, Erika Rosales-Cruz, Enrique Hong, Fengyang Huang, Santiago Villafaña
Hypertension and diabetes are multifactorial diseases that frequently coexist and exacerbate each another. During the development of diabetes, the impairment of noradrenergic and renin-angiotensin systems has been reported in the response mediated by α1-AR and AT1 receptors. Although their participation in the development of cardiovascular complications is still controversial, some studies have found increased or diminished response to the vasoconstrictive effect of noradrenaline or angiotensin II in a time-dependent manner of diabetes...
January 10, 2017: Clinical and Experimental Hypertension: CHE
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