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Furosemid

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https://www.readbyqxmd.com/read/28100655/furosemide-depresses-the-presynaptic-fiber-volley-and-modifies-frequency-dependent-axonal-excitability-in-rat-hippocampus
#1
Mogens Andreasen, Steen Nedergaard
The loop diuretic furosemide is known to have anticonvulsant effects, believed to be exerted through blockade of glial Na-K-Cl cotransport causing altered volume regulation in brain tissue. The possibility that direct effects of furosemide on neuronal properties could also be involved is supported by previous observations, but such effects have not been thoroughly investigated. In the present study we show that furosemide has two opposing effects on stimulus-induced postsynaptic excitation in the non-epileptic rat hippocampal slice: i) an enhancement of e-s coupling, which depended on intact GABAA transmission and was partially mimicked by selective blockade of K-Cl cotransport, and ii) a decrement of fEPSPs...
January 18, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28099709/preliminary-study-of-the-effects-of-furosemide-on-blood-pressure-during-late-onset-pre-eclampsia-in-patients-with-high%C3%A2-cardiac-output
#2
Péter Tamás, Eszter Hantosi, Bálint Farkas, Zsolt Ifi, József Betlehem, József Bódis
OBJECTIVE: To examine the effect of furosemide on hypertension and edema in patients with pre-eclampsia experiencing high cardiac output. METHODS: The present cohort study enrolled patients with pre-eclampsia who were admitted to the pregnancy pathology unit of the Department of Obstetrics and Gynecology, University of Pécs, Hungary, between January 1 and December 31, 2015. Eligible patients had singleton pregnancies with no fetal anomalies, high blood volume, visible edema, and a hematocrit concentration below 37 L/L...
January 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28091926/effect-of-hypotensive-drugs-on-dynamics-of-nitroxide-producing-renal-function-in-rats-with-nephrogenic-hypertension
#3
E V Eliseeva, E F Romanchenko, I V Dyuizen, A V Tyrtyshnikova, Yu I Pigolkin
An original model of nephrogenic hypertension in rats was used for histochemical mapping of NADPH diaphorase (NO synthase) in various renal segments to examine the effect of hypotensive drugs furosemide, bendazol, and clonidine on the time course of nitroxide production in the kidneys. In various nephron segments, these drugs modulated NO synthesis in different ways. Clonidine induced a stable up-regulation of NO synthesis, which can maintain active vasodilation and gradually diminish the rennin production...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091717/bar-adsorptive-microextraction-technique-application-for-the-determination-of-pharmaceuticals-in-real-matrices
#4
Carlos Almeida, Samir M Ahmad, José Manuel F Nogueira
In the present work, bar adsorptive microextraction using miniaturized devices (7.5 × 3.0 mm) coated with suitable sorbent phases, combined with microliquid desorption (100 μL) followed by high-performance liquid chromatography with diode array detection (BAμE-μLD/HPLC-DAD), is proposed for the determination of trace level of six pharmaceuticals (furosemide, mebeverine, ketoprofen, naproxen, diclofenac and mefenamic acid) in environmental water and urine matrices. By comparing ten distinct sorbent materials (five polymeric and five activated carbons), the polymer P5 proved to be the most suitable to achieve the best selectivity and efficiency...
January 16, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28090224/computerized-tomography-guided-paracentesis-an-effective-alternative-to-bedside-paracentesis
#5
Vinaya Gaduputi, Hassan Tariq, Chaitanya Chandrala, Sailaja Sakam, Naeem Abbas, Sridhar Chilimuri
BACKGROUND: Ascites remains the most common cause of hospitalization among patients with decompensated cirrhosis. Paracentesis is a relatively safe procedure with low complication rates. Computerized tomography (CT)-guided therapeutic paracentesis could be a safe and effective alternative to unaided or aided (ultrasonogram-guided) bedside paracentesis. In this retrospective study, we aimed to compare the efficacy, safety, and cost-effectiveness of CT-guided paracentesis with bedside paracentesis...
February 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28090060/medullary-nephrocalcinosis-in-a-furosemide-abuser
#6
Nobutaka Hirooka, Mai Tahara, Koichi Takebayashi
No abstract text is available yet for this article.
2017: Internal Medicine
https://www.readbyqxmd.com/read/28088572/bcs-class-iv-drugs-highly-notorious-candidates-for-formulation-development
#7
REVIEW
Rohan Ghadi, Neha Dand
BCS class IV drugs (e.g., amphotericin B, furosemide, acetazolamide, ritonavir, paclitaxel) exhibit many characteristics that are problematic for effective oral and per oral delivery. Some of the problems associated include low aqueous solubility, poor permeability, erratic and poor absorption, inter and intra subject variability and significant positive food effect which leads to low and variable bioavailability. Also, most of the class IV drugs are substrate for P-glycoprotein (low permeability) and substrate for CYP3A4 (extensive pre systemic metabolism) which further potentiates the problem of poor therapeutic potential of these drugs...
January 11, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28062595/the-clinical-impact-of-additional-late-pet-ct-imaging-with-68ga-psma-11-hbed-cc-in-the-diagnosis-of-prostate-cancer
#8
Ali Afshar-Oromieh, Lars Peter Sattler, Walter Mier, Boris Hadaschik, Jürgen Debus, Tim Holland-Letz, Klaus Kopka, Uwe Haberkorn
PURPOSE: While Positron Emission Tomography/Computed Tomography (PET/CT) with (68)Ga-PSMA-11 in the diagnosis of prostate cancer (PCa) is routinely performed at 1h post injection (p.i.), later scans may be beneficial since most lesions present with higher uptake and contrast. This evaluation aimed to investigate the clinical impact of additional late (68)Ga-PSMA-11-PET/CT. METHODS: Between 2011 and 2016, 112 patients with PCa who received early (at 1h p.i.) and late (at 3h p...
January 6, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28057900/evaluation-of-the-ureteral-jet-in-dogs-using-doppler-ultrasonography
#9
Hyunjung Oh, Seongsoo Kim, Suyeon Kim, Jeosoon Lee, Sookyung Yun, Junghee Yoon, Joohyun Jung, Mincheol Choi
Ureteral jets are caused by the forceful ejection of urine from the vesicoureteral junction into the urinary bladder. We aimed to identify distinct ureteral jets in dogs by using color Doppler ultrasonography (US), provide insight into ureteral obstruction, and facilitate the study of urodynamics and vesicoureteric sphincter function using pulsed Doppler US. Color Doppler US was applied to detect urinary flow from the right ureteral orifice in eight healthy beagles. Under anesthesia, 0.9% saline (2.5 ml/kg/h) and furosemide (0...
January 4, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28043731/acetazolamide-and-hydrochlorothiazide-followed-by-furosemide-versus-furosemide-and-hydrochlorothiazide-followed-by-furosemide-for-the-treatment-of-adults-with-nephrotic-edema-a-randomized-trial
#10
Mohammad Amin Fallahzadeh, Banafshe Dormanesh, Mohammad Kazem Fallahzadeh, Jamshid Roozbeh, Mohammad Hossein Fallahzadeh, Mohammad Mahdi Sagheb
BACKGROUND: Nephrotic edema is considered refractory if it does not respond to maximum or near-maximum doses of loop diuretics. This condition can be treated with loop diuretics and thiazides. However, animal studies show that the simultaneous downregulation of pendrin with acetazolamide and inhibition of the sodium-chloride cotransporter with hydrochlorothiazide generates significant diuresis, and furosemide administration following a pendrin inhibitor potentiates furosemide's diuretic effect...
December 30, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28041953/synthetic-approaches-towards-the-multi-target-drug-spironolactone-and-its-potent-analogues-derivatives
#11
REVIEW
Fayaz Ali Larik, Aamer Saeed, Danish Shahzad, Muhammad Faisal, Hesham El-Seedi, Haroon Mehfooz, Pervaiz Ali Channar
Spironolactone is a well-known multi-target drug and is specifically used for the treatment of high blood pressure and heart failure. It is also used for the treatment of edema, cirrhosis of the liver, malignant, pediatric, nephrosis and primary hyperaldosteronism. Spironolactone in association with thiazide diuretics treats hypertension and in association with furosemide treats bronchopulmonary dyspepsia. The therapeutic mechanism of action of spironolactone involves binding to intracellular mineralocorticoids receptors (MRs) in kidney epithelial cells, thereby inhibiting the binding of aldosterone...
December 29, 2016: Steroids
https://www.readbyqxmd.com/read/28039944/hydrochlorothiazide-modulates-ischemic-heart-failure-induced-cardiac-remodeling-via-inhibiting-angiotensin-ii-type-1-receptor-pathway-in-rats
#12
Jinghong Luo, Xuanlan Chen, Chufan Luo, Guihua Lu, Longyun Peng, Xiuren Gao, Zhiyi Zuo
AIMS: Our previous study indicates that hydrochlorothiazide inhibits transforming growth factor (TGF)-β/Smad signaling pathway, improves cardiac function and reduces fibrosis. We determined whether these effects were common among the diuretics and whether angiotensin II receptor type 1 (AT1) signaling pathway played a role in these effects. METHODS: Heart failure was produced by ligating the left anterior descending coronary artery in adult male Sprague-Dawley rats...
December 31, 2016: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28028557/-18-f-fdg-pet-ct-delayed-images-with-forced-diuresis-for-revaluating-abdominopelvic-malignancies
#13
Hui-Chun Wang, Zhi-Min Wang, Yu-Bin Wang, Xiao-Hong Chen, Lan-Lan Cui
PURPOSE: The aim of this retrospective study was to evaluate the role of delayed images after forced diuresis coupled with oral hydration in abdominopelvic (18)F-FDG PET/CT. MATERIALS AND METHODS: Forty-six patients consisting of 17 urological diseases, 9 gynecological tumors, 18 colorectal malignancies, and 2 cancers of unknown primary site were retrospectively analyzed. All patients who presented with indeterminate or equivocal abdominopelvic foci on standard (18)F-FDG PET/CT underwent a delayed abdominopelvic imaging after administration of 20 mg furosemide intravenously and extra water intake of 500 mL...
December 28, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/28018756/incidence-of-potential-drug-drug-interactions-in-a-limited-and-stereotyped-prescription-setting-comparison-of-two-free-online-pharmacopoeias
#14
Bhaskar Kannan, Amrutha Bindu Nagella, A Sathia Prabhu, Gopalakrishnan M Sasidharan, A S Ramesh, Venkatesh Madhugiri
BACKGROUND: Drug-drug interactions (DDIs) are very common adverse events in health care delivery settings. The use of electronic pharmacopeias can potentially reduce the incidence of DDIs, but they are often thought to be cumbersome to use. This study is aimed at studying the incidence of potential DDIs in a surgical department, where a limited number of drugs are used in stereotyped combinations. We also compared two popular drug compendia in detecting potential DDIs. METHODS: The prescriptions of selected patients were entered into Epocrates® and Medscape® for Android smartphones...
November 22, 2016: Curēus
https://www.readbyqxmd.com/read/28018150/frequency-of-and-risk-factors-for-acute-kidney-injury-associated-with-vancomycin-use-in-the-pediatric-intensive-care-unit
#15
Sarah Bonazza, Lauren C Bresee, Timothy Kraft, B Catherine Ross, Deonne Dersch-Mills
BACKGROUND: Published information evaluating frequency of and risk factors for vancomycin-induced acute kidney injury (AKI) in the pediatric intensive care unit (PICU) population is conflicting. OBJECTIVES: The primary objective was to describe the proportion of our PICU patients who developed AKI with intravenous (IV) vancomycin. The secondary objective was to describe the associated potential risk factors. METHODS: Pediatric patients (0-18 years) who received their first IV vancomycin dose in the PICU were evaluated in this retrospective chart review...
November 2016: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28007722/physical-compatibility-of-isavuconazonium-sulfate-with-select-i-v-drugs-during-simulated-y-site-administration
#16
Wonhee So, Liz Kim, Abrar K Thabit, David P Nicolau, Joseph L Kuti
PURPOSE: The physical compatibility of isavuconazonium sulfate with 95 i.v. drugs during simulated Y-site administration was studied. METHODS: Isavuconazonium sulfate for injection and all other drugs were reconstituted according to the manufacturer's recommendation and further diluted with 0.9% sodium chloride injection or 5% dextrose injection to a final concentration (1.5 mg/mL for isavuconazonium sulfate and standard concentrations used clinically for other drugs)...
January 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28003191/calcineurin-inhibitor-cyclosporine-a-activates-renal-na-k-cl-cotransporters-via-local-and-systemic-mechanisms
#17
Katharina Ilse Blankenstein, Aljona Borschewski, Robert Labes, Alexander Paliege, Christin Boldt, James A McCormick, David H Ellison, Michael Bader, Sebastian Bachmann, Kerim Mutig
Calcineurin dephosphorylates NFAT transcription factors, thereby facilitating T-cell mediated immune responses. Calcineurin inhibitors are instrumental for immunosuppression after organ transplantation, but may cause side effects including hypertension and electrolyte disorders. Kidneys were recently shown to display activation of the furosemide-sensitive Na-K-2Cl cotransporter (NKCC2) of the thick ascending limb and the thiazide-sensitive Na-Cl cotransporter (NCC) of the distal convoluted tubule upon calcineurin inhibition using cyclosporin A (CsA)...
December 21, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28001186/hypercalcemia-and-renal-function-impairment-associated-with-vitamin-d-toxicity-case-report
#18
Vanessa Guerra, Osvaldo Merege Vieira Neto, Alan Fernandes Laurindo, Francisco Jose Albuquerque de Paula, Miguel Moysés Neto
Nowadays vitamin D (25-OHD) deficiency is supposed to be a global epidemic condition. Expectedly, vitamin D measurement and intake exponentially increased in Brazil in this decade. Although the benefit of vitamin D to general health is still in debate, its indiscriminate use potentially may lead to enhance the incidence of vitamin D intoxication, which is considered a rare disorder. We report a case of a 70 year old diabetic male with chronic renal disease (blood creatinine of 1.6 mg/dL) who progressed suddenly to acute kidney injury (blood creatinine of 5...
December 2016: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/27998063/challenges-of-finding-novel-drugs-targeting-the-k-cl-cotransporter
#19
Eric Delpire, C David Weaver
Human disease-causing mutations and genetically modified mouse models have established the importance of KCC2 and KCC3 in nervous system physiology. These two proteins mediate the electroneutral cotransport of K(+) and Cl(-) ions across the neuronal membrane. Disruption of KCC2 function affects inhibitory synaptic transmission with consequences for epilepsy, pain perception, and potentially some neuropsychiatric disorders, whereas disruption of KCC3 affects both central and peripheral nervous systems, resulting in psychosis and peripheral neuropathy...
December 21, 2016: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/27994859/primary-sclerosing-cholangitis-a-new-cause-of-distal-renal-tubular-acidosis
#20
Valentin Goutaudier, Ilan Szwarc, Jean-Emmanuel Serre, Georges-Philippe Pageaux, Àngel Argilés, Jean Ribstein
We describe the first case of distal renal tubular acidosis (dRTA) associated with primary sclerosing cholangitis. A 26-year-old Lao-Thai male patient presented with severe jaundice, metabolic acidosis and hypokalaemia. He was diagnosed of dRTA. Liver transplantation resulted in correction of electrolyte disturbances and hyperbilirubinaemia. A fludrocortisone-furosemide test revealed normal urinary acidification, demonstrating no residual dRTA. This observation suggests that dRTA may be an early manifestation of bilirubin-associated nephropathy or the consequence of an immune mechanism...
December 2016: Clinical Kidney Journal
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