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https://www.readbyqxmd.com/read/27915452/chronic-enalapril-treatment-increases-transient-outward-potassium-current-in-cardiomyocytes-isolated-from-right-ventricle-of-spontaneously-hypertensive-rats
#1
Luiz Fernando Rodrigues Junior, Ana Carolina de Azevedo Carvalho, Enildo Broetto Pimentel, José Geraldo Mill, José Hamilton Matheus Nascimento
It has been well established that chronic pressure overload resulting from hypertension leads to ventricular hypertrophy and electrophysiological remodeling. The transient outward potassium current (I to) reduction described in hypertensive animals delays ventricular repolarization, leading to complex ventricular arrhythmias and sudden death. Antihypertensive drugs, as angiotensin-converting enzyme inhibitors (ACEi), can restore I to and reduce the incidence of arrhythmic events. The purpose of this study was to evaluate the differential effects of long-term treatment with ACEi or direct-acting smooth muscle relaxant on the I to of left and right ventricle myocytes of spontaneously hypertensive rats (SHR)...
December 3, 2016: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/27903643/effects-of-antihypertensive-agents-on-intestinal-contractility-in-the-spontaneously-hypertensive-rat-angiotensin-receptor-system-down-regulation-by-losartan
#2
Glen S Patten, Mahinda Y Abeywardena
Hypertension is an inflammatory condition controlled by the renin angiotensin system and is linked to kidney disease, diabetes mellitus and recently to dysfunction of the gut. The aim of this study was to determine what effect anti-hypertensive drug treatments may have on intestinal function of the spontaneously hypertensive rat (SHR). In the first experiment SHR were treated with enalapril or hydralazine. In the second experiment SHR were treated with losartan with no-treatment as control for both experiments...
November 30, 2016: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27872837/antineutrophil-cytoplasmic-antibodies-crescentic-allograft-glomerulonephritis-after-sofosbuvir-therapy
#3
Shilpa Gadde, Belinda Lee, Laura Kidd, Rubin Zhang
Antineutrophil cytoplasmic antibodies (ANCA) are well known to be associated with several types of vasculitis, including pauci-immune crescentic glomerulonephritis, a form of rapid progressive glomerular nephritis (RPGN). ANCA vasculitis has also been reported after administration of propylthiouracil, hydralazine, cocaine (adulterated with levimasole), allopurinol, penicillamine and few other drugs. All previously reported cases of drug-associated ANCA glomerulonephritis were in native kidneys. Sofosbuvir is a new and effective drug for hepatitis C virus infection...
November 6, 2016: World Journal of Nephrology
https://www.readbyqxmd.com/read/27851623/1989-a-fatal-case-of-hydralazine-induced-sweet-syndrome
#4
Areej Mazhar, Jelena Arnautovic
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27801920/hydralazine-induced-anca-vasculitis-in-the-setting-of-acute-clostridium-difficile-infection
#5
Somwail Rasla, Amr El Meligy, Dragos F Cucu
We report a rare case of Hydralazine-induced ANCA associated glomerulonephritis with alveolar hemorrhage in the setting of acute Clostridium Difficile Infection. A 71-year-old Caucasian woman with hypertension, who was being treated with hydralazine 25 mg twice a day for six years, presented to the hospital with diarrhea, nausea, vomiting and anemia. She had acute kidney injury and urinalysis showed proteinuria, dysmorphic RBCs, and rare RBC cast. She was found to have Clostridium difficile colitis which was successfully treated...
November 1, 2016: Rhode Island Medical Journal
https://www.readbyqxmd.com/read/27779710/antihypertensive-therapy-improves-insulin-resistance-and-serum-levels-of-interleukin-6-and-10-in-spontaneously-hypertensive-rats-with-steatohepatitis
#6
Masaya Kozono, Hirofumi Uto, Rie Ibusuki, Shiho Arima, Kohei Oda, Hiroki Taguchi, Fumisato Sasaki, Yuichiro Nasu, Shinichi Hashimoto, Hitoshi Setoyama, Shuji Kanmura, Masatsugu Numata, Hirohito Tsubouchi, Akio Ido
Metabolic syndrome based on insulin resistance (IR) and hypertension is a risk factor for advanced liver disease and cardiovascular disease in patients with nonalcoholic steatohepatitis (NASH). The present study investigated the effects of severe hypertension induced by a high‑salt (HS) diet and antihypertensive therapy on the pathophysiological condition of spontaneously hypertensive rats (SHRs) with steatohepatitis. Steatohepatitis was induced using a choline-deficient, L-amino acid-defined diet (CDAA)...
October 21, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27754015/br-04-1management-of-treatment-resistant-hypertension
#7
David John Webb
Treatment-resistant hypertension (TRH) is defined as the failure to achieve an office BP target of <140/90 mmHg (<130/80 mmHg in patients with chronic kidney disease (CKD) or diabetes) in patients with hypertension (HT), despite adherence to at least 3 antihypertensive medications at optimal tolerated doses, ideally including a diuretic (Calhoun et al., Circulation 2008). TRH identifies patients with hard-to-treat HT, who might benefit from specialist investigation and treatment. Although some studies put the prevalence of TRH as >10%, these levels may be inflated by white-coat hypertension and poor adherence...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27752976/pharmacogenomics-and-pharmacogenetics-for-the-intensive-care-unit-a-narrative-review
#8
Meghan MacKenzie, Richard Hall
PURPOSE: Knowledge of how alterations in pharmacogenomics and pharmacogenetics may affect drug therapy in the intensive care unit (ICU) has received little study. We review the clinically relevant application of pharmacogenetics and pharmacogenomics to drugs and conditions encountered in the ICU. SOURCE: We selected relevant literature to illustrate the important concepts contained within. PRINCIPAL FINDINGS: Two main approaches have been used to identify genetic abnormalities - the candidate gene approach and the genome-wide approach...
October 17, 2016: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/27748260/the-distinctive-histopathology-of-hydralazine-associated-anca-positive-vasculitis-in-vivo-demonstration-of-netosis
#9
Cynthia M Magro, Shabnam Momtahen, Joanna Harp
No abstract text is available yet for this article.
October 17, 2016: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/27748228/antihypertensive-drug-exposure-in-premature-infants-from-1997-to-2013
#10
Srikanth Ravisankar, Devon Kuehn, Reese H Clark, Rachel G Greenberg, P Brian Smith, Christoph P Hornik
BACKGROUND: Systemic hypertension is increasingly recognised in premature infants. There is limited evidence regarding treatment, and most published treatment recommendations are based solely on expert opinions. METHODS: We identified all infants born ⩽32 weeks of gestation and ⩽1500 g birth weight discharged from one of 348 neonatal ICUs managed by the Pediatrix Medical Group between 1997 and 2013. We defined antihypertensive drugs as vasodilators, angiotensin-converting enzyme inhibitors, β receptor blockers, calcium channel blockers, and central α2 receptor agonists...
October 17, 2016: Cardiology in the Young
https://www.readbyqxmd.com/read/27716094/modulation-of-renal-oxygenation-and-perfusion-in-rat-kidney-monitored-by-quantitative-diffusion-and-blood-oxygen-level-dependent-magnetic-resonance-imaging-on-a-clinical-1-5t-platform
#11
Neil P Jerome, Jessica K R Boult, Matthew R Orton, James d'Arcy, David J Collins, Martin O Leach, Dow-Mu Koh, Simon P Robinson
BACKGROUND: To investigate the combined use of intravoxel incoherent motion (IVIM) diffusion-weighted (DW) and blood oxygen level dependent (BOLD) magnetic resonance imaging (MRI) to assess rat renal function using a 1.5T clinical platform. METHODS: Multiple b-value DW and BOLD MR images were acquired from adult rats using a parallel clinical coil arrangement, enabling quantitation of the apparent diffusion coefficient (ADC), IVIM-derived diffusion coefficient (D), pseudodiffusion coefficient (D*) and perfusion fraction (f), and the transverse relaxation time T2*, for whole kidney, renal cortex, and medulla...
October 3, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27701482/presentation-and-mortality-of-patients-hospitalised-with-acute-heart-failure-in-botswana
#12
Julius Chacha Mwita, Matthew J Dewhurst, Mgaywa G Magafu, Monkgogi Goepamang, Bernard Omech, Koketso Lister Majuta, Marea Gaenamong, Tommy Baboloki Palai, Mosepele Mosepele, Yohana Mashalla
INTRODUCTION: Heart failure is a common cause of hospitalisation and therefore contributes to in-hospital outcomes such as mortality. In this study we describe patient characteristics and outcomes of acute heart failure (AHF) in Botswana. METHODS: Socio-demographic, clinical and laboratory data were collected from 193 consecutive patients admitted with AHF at Princess Marina Hospital in Gaborone between February 2014 and February 2015. The length of hospital stay and 30-, 90- and 180-day in-hospital mortality rates were assessed...
August 24, 2016: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/27692563/low-dose-hydralazine-prevents-fibrosis-in-a-murine-model-of-acute-kidney-injury-to-chronic-kidney-disease-progression
#13
Björn Tampe, Ulrike Steinle, Désirée Tampe, Julienne L Carstens, Peter Korsten, Elisabeth M Zeisberg, Gerhard A Müller, Raghu Kalluri, Michael Zeisberg
Acute kidney injury (AKI) and progressive chronic kidney disease (CKD) are intrinsically tied syndromes. In this regard, the acutely injured kidney often does not achieve its full regenerative capacity and AKI directly transitions into progressive CKD associated with tubulointerstitial fibrosis. Underlying mechanisms of such AKI-to-CKD progression are still incompletely understood and specific therapeutic interventions are still elusive. Because epigenetic modifications play a role in maintaining tissue fibrosis, we used a murine model of ischemia-reperfusion injury to determine whether aberrant promoter methylation of RASAL1 contributes causally to the switch between physiological regeneration and tubulointerstitial fibrogenesis, a hallmark of AKI-to-CKD progression...
September 27, 2016: Kidney International
https://www.readbyqxmd.com/read/27692135/evaluation-of-chronic-obstructive-pulmonary-disease-copd-and-reduced-ejection-fraction-heart-failure-hrref-discharge-medication-prescribing-is-drug-therapy-concordant-with-national-guidelines-associated-with-a-reduction-in-30-day-readmissions
#14
Amy Richardson, Elizabeth Tolley, Jonathan Hartmann, Jasmine Reedus, Brandi Bowlin, Christopher Finch, Christopher W Sands, Timothy Self
INTRODUCTION: Approximately 1 in 5 hospitalized COPD patients are readmitted within 30 days of discharge. CHF coexists in more than 20% of patients with COPD, and is associated with early readmission for COPD. Reducing 30-day hospital readmissions for COPD is of intense current interest. METHODOLOGY: A retrospective chart review was performed to identify patients discharged with COPD exacerbation and HFrEF. The primary objective was to evaluate if discharge medication prescribing following guidelines for both COPD and HFrEF correlates with reduced 30-day readmission rates...
October 2016: Respiratory Medicine
https://www.readbyqxmd.com/read/27677327/losartan-reduces-ensuing-chronic-kidney-disease-and-mortality-after-acute-kidney-injury
#15
Shun-Yang Cheng, Yu-Hsiang Chou, Fang-Ling Liao, Chi-Chun Lin, Fan-Chi Chang, Chia-Hao Liu, Tao-Min Huang, Chun-Fu Lai, Yu-Feng Lin, Vin-Cent Wu, Tzong-Shinn Chu, Ming-Shiou Wu, Shuei-Liong Lin
Acute kidney injury (AKI) is an important risk factor for incident chronic kidney disease (CKD). Clinical studies disclose that ensuing CKD progresses after functional recovery from AKI, but the underlying mechanisms remain illusive. Using a murine model representing AKI-CKD continuum, we show angiotensin II type 1a (AT1a) receptor signaling as one of the underlying mechanisms. Male adult CD-1 mice presented severe AKI with 20% mortality within 2 weeks after right nephrectomy and left renal ischemia-reperfusion injury...
September 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27673415/current-treatment-of-heart-failure-with-reduction-of-left-ventricular-ejection-fraction
#16
Wilbert S Aronow
Heart failure is the commonest cause of hospitalization and of rehospitalization This review paper is a comprehensive review of current treatment of heart failure in 2016. The target of this review is all health care professionals who treat patients with heart failure. Areas covered: This article discusses stages of heart failure, treatment of heart failure with general measures, and drug therapy with diuretics, angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, beta blockers, aldosterone antagonists, isosorbide dinitrate plus hydralazine, digoxin, other neurohormonal antagonists, sacubitril/valsartan, calcium channel blockers, and ivabradine...
October 11, 2016: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/27663860/role-of-angiotensin-ii-type-1a-receptor-in-renal-injury-induced-by-deoxycorticosterone-acetate-salt-hypertension
#17
Mikako Hisamichi, Atsuko Kamijo-Ikemori, Takeshi Sugaya, Daisuke Ichikawa, Takayuki Natsuki, Seiko Hoshino, Kenjiro Kimura, Yugo Shibagaki
The aim of this study was to investigate the in vivo role of angiotensin II type 1a (AT1a) receptor in renal damage as a result of hypertension by using transgenic mice with AT1a receptor gene disruption. Transgenic mice that express human liver-type fatty acid binding protein (L-FABP) with or without disruption of the AT1a receptor gene (L-FABP(+/-) AT1a(-/-), and L-FABP(+/-) AT1a(+/+), respectively) were used with urinary L-FABP as an indicator of tubulointerstitial damage. Those female mice were administered subcutaneously deoxycorticosterone acetate (DOCA)-salt tablets plus drinking water that contained 1% saline for 28 d after uninephrectomy...
September 23, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27661616/procainamide-inhibits-dna-methylation-and-alleviates-multiple-organ-dysfunction-in-rats-with-endotoxic-shock
#18
Chih-Chin Shih, Mei-Hui Liao, Tsan-Seng Hsiao, Hiong-Ping Hii, Ching-Hui Shen, Shiu-Jen Chen, Shuk-Man Ka, Yung-Lung Chang, Chin-Chen Wu
Excessive inflammatory and oxidative stress lead to circulatory failure, multiple organ dysfunction, and high mortality in patients with sepsis. Microbial infection-induced DNA hypermethylation is associated with the augmentation of inflammation and oxidative stress. In our previous study, the antiarrhythmic drug procainamide inhibits the expression of DNA methyltransferase 1 (DNMT1) and diminishes IL-6 levels in rats with rhabdomyolysis. Thus, we further evaluated the effects of procainamide on the development of circulatory failure and multiple organ dysfunction in rats with endotoxic shock...
2016: PloS One
https://www.readbyqxmd.com/read/27650942/one-step-extraction-of-polar-drugs-from-plasma-by-parallel-artificial-liquid-membrane-extraction
#19
Veronika Pilařová, Mumtaz Sultani, Kristine Skoglund Ask, Lucie Nováková, Stig Pedersen-Bjergaard, Astrid Gjelstad
The new microextraction technique named parallel artificial liquid membrane extraction (PALME) was introduced as an alternative approach to liquid-liquid extraction of charged analytes from aqueous samples. The concept is based on extraction of analytes across a supported liquid membrane sustained in the pores of a thin polymeric membrane, a well-known extraction principle also used in hollow fiber liquid-phase microextraction (HF-LPME). However, the new PALME technique offers a more user-friendly setup in which the supported liquid membrane is incorporated in a 96 well plate system...
September 14, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/27642926/br-04-1management-of-treatment-resistant-hypertension
#20
David John Webb
Treatment-resistant hypertension (TRH) is defined as the failure to achieve an office BP target of <140/90 mmHg (<130/80 mmHg in patients with chronic kidney disease (CKD) or diabetes) in patients with hypertension (HT), despite adherence to at least 3 antihypertensive medications at optimal tolerated doses, ideally including a diuretic (Calhoun et al., Circulation 2008). TRH identifies patients with hard-to-treat HT, who might benefit from specialist investigation and treatment. Although some studies put the prevalence of TRH as >10%, these levels may be inflated by white-coat hypertension and poor adherence...
September 2016: Journal of Hypertension
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