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https://www.readbyqxmd.com/read/29151494/amiodarone-induced-hyponatremia-masked-by-tolvaptan-in-a-patient-with-an-implantable-left-ventricular-assist-device
#1
Makiko Nakamura, Osahiko Sunagawa, Tadao Kugai, Koichiro Kinugawa
A 43-year-old man was referred to our hospital in June 2014 because of severe heart failure. He was diagnosed with familial dilated cardiomyopathy and was administered oral tolvaptan and amiodarone for atrial and ventricular tachycardia. Since up-titration of carvedilol had failed and he was dependent on dobutamine, a left ventricular assist device (LVAD) was implanted. Tolvaptan and furosemide were both discontinued after LVAD implantation and he was discharged from the hospital. Thirteen months later, he was hospitalized for lethargy and hyponatremia of 108 mEq/L, with an antidiuretic hormone level of 2...
November 17, 2017: International Heart Journal
https://www.readbyqxmd.com/read/29071091/the-use-of-the-renalguard-system-in-cardiac-surgery-with-cardiopulmonary-bypass-a-first-in-man-prospective-observational-feasibility-pilot-study
#2
Heyman Luckraz, Ramesh Giri, Benmjamin Wrigley, Anne-Marie Hennessy, Johann Nicholas, Alan Nevill
OBJECTIVES: As proof of concept, this prospective, observational study assessed the feasibility and early clinical outcomes of performing on-pump cardiac surgery with the RenalGuard system. BACKGROUND: Acute kidney injury (AKI) is reported in up to 30% of patients undergoing cardiac surgery and is a recognised independent predictor of both morbidity and mortality. Forced diuresis with the RenalGuard system reduces the incidence of AKI during percutaneous coronary intervention procedures but its use in cardiac surgery has not been explored...
2017: Open Heart
https://www.readbyqxmd.com/read/28793999/association-of-qt-prolonging-medication-use-in-ckd-with-electrocardiographic-manifestations
#3
Soren Snitker, Rebecca M Doerfler, Elsayed Z Soliman, Rajat Deo, Wendy L St Peter, Susan Kramlik, Michael J Fischer, Sankar Navaneethan, Patrice Delafontaine, Bernard G Jaar, Akinlolu Ojo, Gail K Makos, Anne Slaven, Matthew R Weir, Min Zhan, Jeffrey C Fink
BACKGROUND AND OBJECTIVES: Several drugs used in CKD can prolong electrocardiographic conduction. We examined the use of electrocardiogram QT-prolonging medications in predialysis CKD and their association with QT duration. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: In total, 3252 Chronic Renal Insufficiency Cohort participants with at least one study electrocardiogram between 2003 and 2011 were included. QT-prolonging medications used in 100 or more visits (n=16,451 visits) along with diuretics and proton pump inhibitors, given their potential for electrolyte disturbances, were examined for QT interval prolongation...
August 9, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28494541/-new-therapeutic-paradigm-and-concepts-for-patients-with-cirrhotic-refractory-ascites
#4
S Z Wang, H G Ding
The activation of renin-angiotensin-aldosterone-vasopressin system is a key factor in the formation of ascites due to splanchnic vasodilation in cirrhosis. In theory, aldosterone antagonists, contraction of blood vessels, vasopressin V2 receptor, and angiotensin receptor antagonists are important targets for the prevention and treatment of cirrhotic ascites. The 15%-20% of patients with cirrhotic ascites that show no response to at least one week's treatment with potent diuretics (spironolactone 160 mg/d combined with furosemide 80 mg/d) are considered to have refractory ascites...
April 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28176949/prophylactic-furosemide-infusion-decreasing-early-major-postoperative-renal-dysfunction-in-on-pump-adult-cardiac-surgery-a-randomized-clinical-trial
#5
Solmaz Fakhari, Fariba Mirzaei Bavil, Eissa Bilehjani, Sona Abolhasani, Moussa Mirinazhad, Bahman Naghipour
INTRODUCTION: Acute renal dysfunction is a common complication of cardiac surgery. Furosemide is used in prevention, or treatment, of acute renal dysfunction. This study was conducted to evaluate the protective effects of intra- and early postoperative furosemide infusion on preventing acute renal dysfunction in elective adult cardiac surgery. METHODS: Eighty-one patients, candidates of elective cardiac surgery, were enrolled in this study in either the furosemide (n=41) or placebo (n=40) group...
2017: Research and Reports in Urology
https://www.readbyqxmd.com/read/27956087/the-biochemical-characterization-of-two-phosphate-transport-systems-in-phytomonas-serpens
#6
Rodrigo Vieira-Bernardo, André Luiz Gomes-Vieira, Luiz Fernando Carvalho-Kelly, Thais Russo-Abrahão, José Roberto Meyer-Fernandes
Inorganic phosphate (Pi) is an essential nutrient for all organisms because it is required for a variety of biochemical processes, such as signal transduction and the synthesis of phosphate-containing biomolecules. Assays of (32)Pi uptake performed in the absence or in the presence of Na(+) indicated the existence of a Na(+)-dependent and a Na(+)-independent Pi transporter in Phytomonas serpens. Phylogenetic analysis of two hypothetical protein sequences of Phytomonas (EM1) showed similarities to the high-affinity Pi transporters of Saccharomyces cerevisiae: Pho84, a Na(+)-independent Pi transporter, and Pho89, a Na(+)-dependent Pi transporter...
February 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/26082293/efficacy-and-safety-of-continuous-micro-pump-infusion-of-3-hypertonic-saline-combined-with-furosemide-to-control-elevated-intracranial-pressure
#7
Yuqian Li, Zhihong Li, Min Li, Yanlong Yang, Bao Wang, Li Gao, Xingye Zhang, Hongyu Cheng, Wei Fang, Bo Zhao, Boliang Wang, Guodong Gao, Lihong Li
BACKGROUND: Elevated intracranial pressure is one of the most common problems in patients with diverse intracranial disorders, leading to increased morbidity and mortality. Effective management for increased intracranial pressure is based mainly on surgical and medical techniques with hyperosmolar therapy as one of the core medical treatments. The study aimed to explore the effects of continuous micro-pump infusions of 3% hypertonic saline combined with furosemide on intracranial pressure control...
June 17, 2015: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/26016736/red-blood-cell-sodium-transport-in-patients-with-cirrhosis
#8
Ulrik Lütken Henriksen, Marianne Kiszka-Kanowitz, Flemming Bendtsen, Jens H Henriksen
Patients with advanced cirrhosis have abnormal sodium homoeostasis. The study was undertaken to quantify the sodium transport across the plasma membrane of red blood cells (RBC) in patients with cirrhosis. RBC efflux and influx of sodium were studied in vitro with tracer (22) Na(+) according to linear kinetics in 24 patients with cirrhosis and 14 healthy controls. The sodium efflux was modified by ouabain (O), furosemide (F) and a combination of O and F (O + F). RBC sodium was significantly decreased (4·6 versus control 6·3 mmol l(-1) , P<0·001) and directly related to serum sodium (r = 0·57, P<0·05)...
September 2016: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/25740579/fulminant-type-1-diabetes-mellitus-and-fulminant-viral-myocarditis-a-case-report-and-literature-review
#9
REVIEW
Nobumasa Ohara, Masanori Kaneko, Hirohiko Kuwano, Katsuya Ebe, Toshio Fujita, Tsuneo Nagai, Tatsuo Furukawa, Yoshifusa Aizawa, Kyuzi Kamoi
A 35-year-old Japanese woman was admitted with coma following flu-like symptoms. She was diagnosed with diabetic ketoacidosis and fulminant type 1 diabetes (FT1D) and received intravenous infusion of insulin and saline. The next day, the ketoacidosis disappeared, and she recovered consciousness. However, extensive ST-segment elevations in the electrocardiogram appeared with a positive troponin test, and the patient developed pulmonary edema on day 3. An echocardiogram showed globally reduced wall motion of the left ventricle and mild pericardial effusion...
2015: International Heart Journal
https://www.readbyqxmd.com/read/25520011/regulation-of-calcium-reabsorption-along-the-rat-nephron-a-modeling-study
#10
Aurélie Edwards
We expanded a mathematical model of transepithelial transport along the rat nephron to include the transport of Ca(2+) and probe the impact of calcium-sensing mechanisms on Ca(2+) reabsorption. The model nephron extends from the medullary thick ascending limb (mTAL) to the inner medullary collecting duct (IMCD). Our model reproduces several experimental findings, such as measurements of luminal Ca(2+) concentrations in cortical tubules, and the effects of furosemide or deletion of the transient receptor potential channel vanilloid subtype 5 (TRPV5) on urinary Ca(2+) excretion...
March 15, 2015: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/24774118/subcutaneous-infusion-of-furosemide-administered-by-elastomeric-pumps-for-decompensated-heart-failure-treatment-initial-experience
#11
Eduardo Zatarain-Nicolás, Javier López-Díaz, Luis de la Fuente-Galán, Héctor García-Pardo, Amada Recio-Platero, José A San Román-Calvar
No abstract text is available yet for this article.
December 2013: Revista Española de Cardiología
https://www.readbyqxmd.com/read/24498157/chloroquine-stimulates-cl-secretion-by-ca2-activated-cl-channels-in-rat-ileum
#12
Ning Yang, Zhen Lei, Xiaoyu Li, Junhan Zhao, Tianjian Liu, Nannan Ning, Ailin Xiao, Linlin Xu, Jingxin Li
Chloroquine (CQ), a bitter tasting drug widely used in treatment of malaria, is associated gastrointestinal side effects including nausea or diarrhea. In the present study, we investigated the effect of CQ on electrolyte transport in rat ileum using the Ussing chamber technique. The results showed that CQ evoked an increase in short circuit current (ISC) in rat ileum at lower concentration (≤5×10(-4) M) but induced a decrease at higher concentrations (≥10(-3) M). These responses were not affected by tetrodotoxin (TTX)...
2014: PloS One
https://www.readbyqxmd.com/read/24492231/-examination-of-the-cause-of-changing-solution-color-by-mixing-aminophylline-and-dopamine-the-compatibility-of-which-was-indicated-by-the-supplier
#13
Kazuhiko Igarashi, Masami Kawahara
A case in which aminophylline solution was administered to a patient with congestive heart failure is reported and the problems caused by administration were solved by subsequent experiments. Dopamine solution was added from the side route using a mechanical pump, and mixed with aminophylline solution in the main route. Furosemide was administered after clamping and flushing the main route according to the supplier's information that indicated the compatibility of dopamine and aminophylline. However, the aminophylline solution turned black in color 3 h after furosemide administration...
2014: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/24422671/radiation-therapy-combined-with-intracerebral-administration-of-carboplatin-for-the-treatment-of-brain-tumors
#14
Weilian Yang, Rolf F Barth, Tianyao Huo, Robin J Nakkula, Michael Weldon, Nilendu Gupta, Lawrence Agius, John C Grecula
BACKGROUND: In this study we determined if treatment combining radiation therapy (RT) with intracerebral (i.c.) administration of carboplatin to F98 glioma bearing rats could improve survival over that previously reported by us with a 15 Gy dose (5 Gy × 3) of 6 MV photons. METHODS: First, in order to reduce tumor interstitial pressure, a biodistribution study was carried out to determine if pretreatment with dexamethasone alone or in combination with mannitol and furosemide (DMF) would increase carboplatin uptake following convection enhanced delivery (CED)...
2014: Radiation Oncology
https://www.readbyqxmd.com/read/24394296/conditioning-the-cochlea-to-facilitate-survival-and-integration-of-exogenous-cells-into-the-auditory-epithelium
#15
Yong-Ho Park, Kevin F Wilson, Yoshihisa Ueda, Hiu Tung Wong, Lisa A Beyer, Donald L Swiderski, David F Dolan, Yehoash Raphael
The mammalian auditory epithelium (AE) cannot replace supporting cells and hair cells once they are lost. Therefore, sensorineural hearing loss associated with missing cells is permanent. This inability to regenerate critical cell types makes the AE a potential target for cell replacement therapies such as stem cell transplantation. Inserting stem cells into the AE of deaf ears is a complicated task due to the hostile, high potassium environment of the scala media in the cochlea, and the robust junctional complexes between cells in the AE that resist stem cell integration...
April 2014: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/24128373/short-term-hemodynamic-and-neuroendocrine-effects-of-pimobendan-and-benazapril-in-dogs-with-myxomatous-mitral-valve-disease-and-congestive-heart-failure
#16
RANDOMIZED CONTROLLED TRIAL
J Häggström, P F Lord, K Höglund, I Ljungvall, O Jöns, C Kvart, K Hansson
BACKGROUND: Pimobendan and benazepril are frequently used with diuretics to treat dogs in congestive heart failure (CHF) caused by myxomatous mitral valve disease (MMVD). AIM: To compare the short-term effects of pimobendan versus benazepril on pump function, heart size, and neuroendocrine profile in dogs with CHF caused by MMVD. ANIMALS: Sixteen client-owned dogs. MATERIAL AND METHODS: Seven-day prospective single-blinded study of dogs stabilized on furosemide monotherapy, randomized to pimobendan (0...
November 2013: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/23993118/relation-between-the-interval-from-coronary-angiography-to-selective-off-pump-coronary-artery-bypass-grafting-and-postoperative-acute-kidney-injury
#17
COMPARATIVE STUDY
Yan Zhang, Nan Ye, Yi-Pu Chen, Hong Cheng
The aim of this study was to investigate whether there are effects of intervals between elective off-pump coronary artery bypass grafting (OPCABG) and coronary angiography (CAG) on postoperative acute kidney injury (AKI). The clinical data of patients undergoing OPCABG and CAG from June 2010 to December 2011 in Beijing Anzhen Hospital were retrospectively analyzed. All the patients were divided into AKI and non-AKI groups. Univariate analysis was performed to find possible factors associated with AKI. Multivariate logistic regression analysis was used to identify whether the short interval was one of the independent risk factors of AKI after adjusting for potential confounding variables...
November 15, 2013: American Journal of Cardiology
https://www.readbyqxmd.com/read/23986517/angiotensin-ii-induced-hypertension-increases-plasma-membrane-na-pump-activity-by-enhancing-na-entry-in-rat-thick-ascending-limbs
#18
Agustin Gonzalez-Vicente, Jeffrey L Garvin
Thick ascending limbs (TAL) reabsorb 30% of the filtered NaCl load. Na enters the cells via apical Na-K-2Cl cotransporters and Na/H exchangers and exits via basolateral Na pumps. Chronic angiotensin II (ANG II) infusion increases net TAL Na transport and Na apical entry; however, little is known about its effects on the basolateral Na pump. We hypothesized that in rat TALs Na pump activity is enhanced by ANG II-infusion, a model of ANG II-induced hypertension. Rats were infused with 200 ng·kg(-1)·min(-1) ANG II or vehicle for 7 days, and TAL suspensions were obtained...
November 1, 2013: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/23960725/influence-of-intestinal-efflux-pumps-on-the-absorption-and-transport-of-furosemide
#19
Abdullah M Al-Mohizea
PURPOSE: Furosemide is a commonly used diuretic which is used in the treatment of edema, congestive heart failure, hypertension and renal failure. Its absorption exhibits inter- and intra-subject variability that can be attributed to many factors including the intestinal efflux pumps such as the P-glycoprotein (P-gp). This study was done due to the great disagreement between what is published in the literature regarding the influence of P-gp on furosemide and at the same time due to the importance of this drug in the treatment of different conditions as described above...
April 2010: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/23815567/insulin-oedema-and-treatment-induced-neuropathy-occurring-in-a-20-year-old-patient-with-type%C3%A2-1-diabetes-commenced-on-an-insulin-pump
#20
K M Rothacker, J Kaye
BACKGROUND: Oedema may occur following initiation or intensification of insulin therapy in patients with Type 1 and Type 2 diabetes. Mild oedema is thought to be not uncommon, but under-reported, whilst generalized oedema with involvement of serous cavities has rarely been described. Multiple pathogenic mechanisms have been proposed, including insulin-induced sodium and water retention. Patients at greater risk for insulin oedema include those with poor glycaemic control. Dramatic improvement in glycaemic control is also associated with sensory and autonomic neuropathy...
January 2014: Diabetic Medicine: a Journal of the British Diabetic Association
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