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https://www.readbyqxmd.com/read/28738355/impact-of-renin-angiotensin-aldosterone-system-inhibition-on-serum-potassium-levels-among-peritoneal-dialysis-patients
#1
Silvia Carreira Ribeiro, Ana Elizabeth Figueiredo, Pasqual Barretti, Roberto Pecoits-Filho, Thyago Proença de Moraes
BACKGROUND: The chronic use of angiotensin-converting enzyme inhibitors or angiotensin II receptor blocker has been associated with hyperkalemia in patients with reduced renal function even after the initiation of hemodialysis. Whether such medications may cause a similar effect in peritoneal dialysis patients is not well established. So, the aim of our study was to analyze the impact of renin-angiotensin-aldosterone inhibitors on the serum levels of potassium in a national cohort of peritoneal dialysis patients...
July 22, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28738254/stereoselective-protein-binding-studies-of-2-2-hydroxypropanamido-benzoic-acid-enantiomers-in-rat-beagle-dog-and-human-plasma
#2
Qili Zhang, Shasha Li, Danlin Wang, Yunli Zhao, Zhiguo Yu
As the stereoselective plasma protein binding is an important factor for the differences in pharmacokinetic or pharmacodynamic properties of chiral drugs, we elucidated the binding of (R)-/(S)-HPABA to plasma protein. A UHPLC-MS/MS method was developed and validated to the quantitation and equilibrium dialysis method was applied to the separation of bound and unbound drugs. Protein binding reached equilibrium within 12h of incubation at 37°C. Liquid-liquid extraction with ethyl acetate was used for sample preparation...
June 23, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28736560/nonparallel-progression-of-left-ventricular-structure-and-function-in-long-term-peritoneal-dialysis-patients
#3
Qiuhong Shi, Jing Zhu, Sheng Feng, Huaying Shen, Jianchang Chen, Kai Song
BACKGROUND/AIMS: Left ventricular hypertrophy and dysfunction are key cardiovascular risk factors of patients on peritoneal dialysis (PD). The purpose of this study was to investigate the dynamic changes of left ventricular (LV) structure and function in patients on long-term PD. METHODS: Patients who underwent PD catheter insertions from January 2010 to December 2012 in our PD center were enrolled into this study. Cardiac structure and function of those patients were determined by echocardiography (4 times) at 12-month intervals...
June 2017: Cardiorenal Medicine
https://www.readbyqxmd.com/read/28729382/recommended-clinical-trial-end-points-for-dialysis-catheters
#4
Michael Allon, Deborah J Brouwer-Maier, Kenneth Abreo, Kevin M Baskin, Kay Bregel, Deepa H Chand, Andrea M Easom, Leonard Mermel, Michele H Mokrzycki, Priti R Patel, Prabir Roy-Chaudhury, Surendra Shenoy, Rudolph P Valentini, Haimanot Wasse
Central venous catheters are used frequently in patients on hemodialysis as a bridge to a permanent vascular access. They are prone to frequent complications, including catheter-related bloodstream infection, catheter dysfunction, and central vein obstruction. There is a compelling need to develop new drugs or devices to prevent central venous catheter complications. We convened a multidisciplinary panel of experts to propose standardized definitions of catheter end points to guide the design of future clinical trials seeking approval from the Food and Drug Administration...
July 20, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28718268/oxymorphone-induced-thrombotic-microangiopathy-mimicking-atypical-haemolytic-uremic-syndrome
#5
Amibhen Gandhi, Saad Ullah, Shani Kotadia, Samer Nasser
Atypical Haemolytic Uremic Syndrome (aHUS) is a rare life threatening entity characterized by thrombocytopenia, haemolytic anaemia and renal dysfunction. It is a thrombotic microangiopathy related to genetic mutations in the alternate complement pathway and has a distinct pathophysiology which makes it harder to distinguish from other microangiopathies. We present a case of a 25-year-old male patient with history of polysubstance abuse who presented with chest pain and dyspnoea. He admitted to using injectable oxymorphone (Opana) two weeks before presentation...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28717990/iron-based-phosphate-binders-a-paradigm-shift-in-the-treatment-of-hyperphosphatemic-anemic-ckd-patients
#6
REVIEW
Francesco Locatelli, Lucia Del Vecchio
The partial correction of anemia and the normalization of phosphate and blood pressure are the mainstay of treatment of patients with chronic kidney disease (CKD). Available anti-hypertensive drugs, erythropoiesis stimulating agents (ESAs) and iron supplements have resolved quite satisfactorily the goal of controlling hypertension and partially correcting anemia. Unfortunately, the treatment of hyperphosphatemia is still far from resolved. Phosphate binders have poor tolerability and/or limited efficacy, leading to the prescription of many tablets that achieve only a mild-to-moderate effect...
July 17, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28716131/rhabdomyolysis-in-an-hiv-cohort-epidemiology-causes-and-outcomes
#7
Sahar H Koubar, Michelle M Estrella, Rugmini Warrier, Richard D Moore, Gregory M Lucas, Mohamed G Atta, Derek M Fine
BACKGROUND: The Literature on rhabdomyolysis in the HIV-positive population is sparse and limited. We aimed to explore the incidence, patient characteristics, etiologies and outcomes of rhabdomyolysis in a cohort of HIV-positive patients identified through the Johns Hopkins HIV clinical registry between June 1992 and April 2014. METHODS: A retrospective analysis of 362 HIV-positive patients with non-cardiac CK elevation ≥1000 IU/L was performed. Both inpatients and outpatients were included...
July 17, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28711678/linezolid-in-liver-failure-exploring-the-value-of-the-maximal-liver-function-capacity-limax-test-in-a-pharmacokinetic-pilot-study
#8
Sebastian G Wicha, Otto R Frey, Anka C Roehr, Johann Pratschke, Martin Stockmann, Rawan Alraish, Tilo Wuensch, Magnus Kaffarnik
BACKGROUND: Patients in the intensive care unit frequently require antibiotic treatment. Liver impairment possesses substantial challenges for dose selection in these patients. The aim of the present pilot study was to assess the novel maximal liver function capacity (LiMAx test) in comparison to conventional liver function markers as covariates of drug clearance in liver failure using linezolid as model drug. METHODS: 28 patients with different degrees of liver failure were recruited and LiMAx test, plasma, dialysis and urine sampling was performed under linezolid steady-state therapy (600 mg BID)...
July 12, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28708211/direct-acting-antivirals-for-hepatitis-c-virus-in-patients-on-maintenance-dialysis
#9
Fabrizio Fabrizi, Francesca M Donato, Piergiorgio Messa
The frequency of hepatitis C virus (HCV) infection remains high in patients with chronic kidney disease (CKD) and plays a detrimental role in mortality in this population. According to the latest survey, the adjusted hazard ratio for HCV-positive versus HCV-negative patients on long-term dialysis was 1.12 (95% CI, 1.05 to 1.20) and 1.10 (95% CI, 0.98 to 1.22) for all-cause and cardiovascular mortality, respectively. An impairment on quality of life has also been documented in HCV-infected patients undergoing regular dialysis...
July 8, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28706868/tricuspid-valve-endocarditis
#10
Syed T Hussain, James Witten, Nabin K Shrestha, Eugene H Blackstone, Gösta B Pettersson
Right-sided infective endocarditis (RSIE) is less common than left-sided infective endocarditis (IE), encompassing only 5-10% of cases of IE. Ninety percent of RSIE involves the tricuspid valve (TV). Given the relatively small numbers of TVIE cases operated on at most institutions, the purpose of this review is to highlight and discuss the current understanding of IE involving the TV. RSIE and TVIE are strongly associated with intravenous drug use (IVDU), although pacemaker leads, defibrillator leads and vascular access for dialysis are also major risk factors...
May 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28698249/pd-vs-hd-in-post-economic-crisis-greece-differences-in-patient-characteristics-and-estimation-of-therapy-cost
#11
Marilena Koukou
OBJECTIVE: The aim of this study was to investigate patient characteristics and make an estimation of the cost of peritoneal dialysis (PD) and hemodialysis (HD) on Greek society during the economic crisis. METHODS: We recorded the characteristics and the total cost of dialysis treatment in 100 patients on PD and 100 on HD. Total cost included dialysis procedure, consumables, drugs, laboratory tests, food, and transportation fees (only HD) and were covered by patients' insurance...
July 11, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28685187/compatibility-of-fosfomycin-with-different-commercial-peritoneal-dialysis-solutions
#12
M Kussmann, A Baumann, S Hauer, P Pichler, M Zeitlinger, M Wiesholzer, H Burgmann, W Poeppl, G Reznicek
For treatment of peritoneal dialysis-related peritonitis, intraperitoneal administration of antibiotics remains the preferable route. For home-based therapy, patients are commonly supplied with peritoneal dialysis fluids already containing antimicrobial agents. The present study set out to investigate the compatibility of fosfomycin with different peritoneal dialysis fluids, namely, Extraneal(®), Nutrineal(®), Physioneal(®) 1.36% and Physioneal(®) 2.27%, under varying storage conditions. The peritoneal dialysis fluid bags including 4 g fosfomycin were stored over 14 days at refrigeration temperature (6°C) and room temperature (25°C) and over 24 h at body temperature (37°C)...
July 6, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28685136/bilateral-renal-cortical-necrosis-associated-with-smoking-synthetic-cannabinoids
#13
Kanaan Mansoor, Ashley Zawodniak, Tibor Nadasdy, Zeid J Khitan
Synthetic cannabinoids have become a common drug of abuse in recent years and their toxicities have come to light as well. They are known to be notorious for the kidneys, with acute tubular necrosis, acute interstitial nephritis and rhabdomyolysis induced renal injury being the frequent nephrotoxic outcomes in users. We report a case of bilateral renal cortical necrosis, leading to irreversible renal damage and lifelong dialysis dependency.
June 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28683120/cardiovascular-risk-associated-with-high-sodium-containing-drugs-a-systematic-review
#14
Germain Perrin, Virginie Korb-Savoldelli, Alexandre Karras, Nicolas Danchin, Pierre Durieux, Brigitte Sabatier
BACKGROUND: Excess dietary sodium is associated with increased blood pressure (BP). Some drugs are associated with high sodium intake (in particular effervescent tablets), but the cardiovascular risk associated with such high sodium-containing drugs (HSCD) is largely underevaluated. OBJECTIVES: To summarize the evidence for a potential cardiovascular risk associated with exposure to HSCD, and to highlight possible risk factors associated with this iatrogenic issue; in general and/or specific populations...
2017: PloS One
https://www.readbyqxmd.com/read/28682032/-diabetic-nephropathy-and-cardiovascular-risk
#15
Luigi Rossi, Loreto Gesualdo
The curious case of the Diabetic Nephropathy (DN) : paraphrasing the name of a famous movie is certainly an unusual way to deal with a medical-scientific issue, but it could be extremely functional. Benjamin Button, with his backward life, breaks the unquestionable certainty of human life progressing through fixed steps. Similarly, the knowledge of DN seems go backwards; therefore, although it is a pathology which clinicians are usually sure, maybe too sure, they know every aspect of, the clinical nephrologist managing a diabetic patient often finds himself/herself far from his/her old certainties and proper answers...
March 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28681510/impact-of-drugs-on-intradialytic-hypotension-antihypertensives-and-vasoconstrictors
#16
Tara I Chang
Intradialytic hypotension (IDH) is a common complication of hemodialysis and is associated with numerous adverse outcomes including cardiovascular events, inadequate dialysis, loss of vascular access, and death. It is estimated that approximately 20%-30% of all dialysis sessions are affected by IDH. In seeking ways to reduce the occurrence of IDH, dialysis providers often turn to pharmacological approaches: withholding antihypertensive medications prior to hemodialysis or administering vasoconstrictor medications...
July 5, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28680622/a-case-of-reversible-drug-induced-liver-failure
#17
Mohammad Ansari, Sabrina Arshed, Mohammed Islam, Shuvendu Sen, Abdalla Yousif
Acute fulminant liver failure and acute renal failure are devastating complications caused by many drugs. The use of N-acetylcysteine has been well established in acetaminophen toxicity, but it remains controversial in other cases. Dialysis is a very effective method of removing certain drugs from the system. With the invention of new street drugs such as "synthetic marijuana," it may be beneficial in patients whom the substances ingested are unknown. We report a case of a 42-year-old male who developed acute fulminant hepatic failure and acute renal failure, who was cured with dialysis, N-acetylcysteine, and other supportive measures...
July 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28678551/nano-encapsulated-metformin-curcumin-in-plga-peg-inhibits-synergistically-growth-and-htert-gene-expression-in-human-breast-cancer-cells
#18
Raana Farajzadeh, Younes Pilehvar-Soltanahmadi, Mehdi Dadashpour, Shahrzad Javidfar, Javid Lotfi-Attari, Hadi Sadeghzadeh, Vahid Shafiei-Irannejad, Nosratollah Zarghami
The study was aimed at investigating the synergistic inhibitory effect of unique combinational regimen of nanocapsulated Metformin (Met) and Curcumin (Cur) against T47D breast cancer cells. For this purpose, Met and Cur were co-encapsulated in PEGylated PLGA nanoparticles (NPs) and evaluated for their therapeutic efficacy. The morphology and dynamic light scattering (DLS) analyses were carried out to optimize the nanoformulations. Drug release study was performed using dialysis method and then the cytotoxic and inhibitory effect of individual and combined drugs on expression level of hTERT in T47D breast cell line were evaluated using MTT assay and qPCR, respectively...
July 5, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28677821/development-and-validation-of-a-high-performance-liquid-chromatography-method-for-the-quantification-of-talazoparib-in-rat-plasma-application-to-plasma-protein-binding-studies
#19
Mahendra Kumar Hidau, Srikanth Kolluru, Srinath Palakurthi
A sensitive and selective RP-HPLC method has been developed and validated for the quantification of a highly-potent poly ADP ribose polymerase (PARP) inhibitor talazoparib (TZP) in rat plasma. Chromatographic separation was performed with isocratic elution method. Absorbance for TZP was measured with UV detector (SPD-20A UV-VIS) at λmax of 227 nm. Protein precipitation method was used to extract the drug form plasma samples using methanol: acetonitrile (65:35) as a precipitating solvent. Method was shown sensitive and reproducible over 100-2000 ng/mL linearity range with LLQC of 100 ng/mL...
July 5, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28674341/the-in-vitro-release-of-indomethacin-from-suppositories-effects-of-bases-and-comparison-of-different-dissolution-methods
#20
Kenji Mori, Seiichi Hori, Tsubasa Kawata, Sanae Kogure, Kaori Matsumoto, Tetsuya Hasegawa, Masayuki Akimoto
The suitability of apparatuses for the quality control of indomethacin (IND, 50 mg) compounded suppositories was evaluated and the effects of the type of suppository base on release profiles was investigated. The release characteristics of hydrophilic and lipophilic suppositories containing IND were compared using four types of dissolution methods: basket (RB), paddle (PD), dialysis tubing (DT) and flow-through cell (FTC). The release process was evaluated using the following model independent parameters: the mean dissolution time (MDT), cumulative percent of drug released (Q) at the end of the sampling time, and dissolution efficiency (DE)...
2017: Chemical & Pharmaceutical Bulletin
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