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potassium citrate

Dimitri Papagiannopoulos, Daniel Holst, Seth K Bechis, Roger L Sur
No abstract text is available yet for this article.
March 6, 2018: Urology
Giuseppe Lippi, Mads Nybo, Janne Cadamuro, Joao T Guimaraes, Edmée van Dongen-Lases, Ana-Maria Simundic
The measurement of fasting plasma glucose may be biased by a time-dependent decrease of glucose in blood tubes, mainly attributable to blood cell metabolism when glycolysis is not rapidly inhibited or blood cells cannot be rapidly separated from plasma. Although glycolysis inhibitors such as sodium fluoride (NaF) in combination with potassium oxalate (KOx) are currently used for overcoming this drawback, their efficacy for stabilizing blood glucose is seemingly limited, and probably lower than that of newer additives such as the citrate buffer...
2018: Advances in Clinical Chemistry
Abbas Basiri, Fatemeh Taheri, Maryam Taheri
PURPOSE: To assess the tolerability of Potassium Citrate (KCit) tablet in patients with kidney stones that were not able to use the powder form of this drug due to unfavorable salty taste and gastrointestinal complications. MATERIALS AND METHODS: Twenty-three stone formers, with intolerance to potassium citrate powder form, which had referred to Labbafinejad stone preventive clinic (2015), have been included in this study. All of the patients took two Potassium citrate tablets (10 meq), three times a day for two weeks...
January 23, 2018: Urology Journal
John Fredy Nieto Rios, Monica Zuluaga, Lina Maria Serna Higuita, Adriana Florez, Diana Carolina Bello-Marquez, Arbey Aristizábal, Catalina Ocampo Kohn, Gustavo Adolfo Zuluaga
Primary hyperoxaluria (PH) is a very rare genetic disorder; it is characterized by total or partial deficiency of the enzymes related to the metabolism of glyoxylate, with an overproduction of calcium oxalate that is deposited in different organs, mainly the kidney, leading to recurrent lithiasis, nephrocalcinosis and end stage renal disease (ESRD). In patients with ESRD that receive kidney transplantation alone, the disease has a relapse of 100%, with graft loss in a high percentage of patients in the first 5 years of transplantation...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
Aleksandra Sklodowska, Sebastian Mielnicki, Lukasz Drewniak
The main aim of this study was the characterisation of novel Raoutella isolate, an iron-reducing and uranium-precipitating strain, originating from microbial mats occurring in the sediments of a closed down uranium mine in Kowary (SW Poland). Characterisation was done in the context of its potential role in the functioning of these mats and the possibility to use them in uranium removal/recovery processes. In our experiment, we observed the biological precipitation of iron and uranium's secondary minerals containing oxygen, potassium, sodium and phosphor, which were identified as ningyoite-like minerals...
December 22, 2017: Chemosphere
Yunlong Yang, Ershu Lin, Shaobin Huang
An aerobic denitrifying bacterium isolated from a bio-trickling filter treating NOx, Bacillus sp. K5, is able to convert ammonium to nitrite, in which hydroxylamine oxidase (HAO) plays a critical role. In the present study, the performance for simultaneous nitrification and denitrification was investigated with batch experiments and an HAO was purified by an anion-exchange and gel-filtration chromatography from strain K5. The purified HAO's molecular mass was determined by SDS-PAGE and its activity by measuring the change in the concentration of ferricyanide, the electron acceptor...
December 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
M Kyla Shea, Bess Dawson-Hughes
Context: Elevated urine net acid excretion (NAE), indicative of subclinical metabolic acidosis, has been associated with higher bone turnover. Urine citrate, which is a common clinical measure, changes in response to acid-base status but its association with bone turnover is uncertain. Objective: We evaluated the association between change in urine citrate and change in bone turnover and calcium excretion. Design, Intervention, and Participants: A total of 233 healthy men and women ≥60 years old were randomly assigned to 1...
February 1, 2018: Journal of Clinical Endocrinology and Metabolism
Hadi Sorkhi, Nazanin Saeedizand, Mohammad Poornasrollah, Ali Bijani, Hamid Shafi
Background: According to high prevalence of renal stone in children, we evaluated the efficacy of treatment with potassium citrate and its correlation with metabolic disorders in children less than two years of age with renal stone and microlithiasis. Methods: In this cross- sectionaly study, 100 patients (less than 2 years old) with renal stone or microlitiasis were evaluated for metabolic disorders. They were treated with potassium citrate and followed-up by ultrasonography every 3 months...
2017: Caspian Journal of Internal Medicine
Mahboubeh Yousefi Ghale-Salimi, Maryam Eidi, Nasser Ghaemi, Ramezan Ali Khavari-Nejad
Taraxasterol is one of the important constituents of Taraxacum officinale L. (Compositae) with antioxidant potential. The present study was designed to evaluate and compare the antiurolithiatic effects of taraxasterol and potassium citrate in the ethylene glycol induced urolithiatic rat. Urolithiasis was induced by ammonium chloride and ethylene glycol in adult male rats. Taraxasterol (2, 4 and 8 mg/kg) and potassium citrate (2.5 g/kg) were treated for 33 days by gavage. Then, the animals were anesthetized and weighted and blood, urine, liver and kidney sampling were done...
November 30, 2017: Urolithiasis
P Boomi, J Anandha Raj, S P Palaniappan, G Poorani, S Selvam, H Gurumallesh Prabu, P Manisankar, J Jeyakanthan, V K Langeswaran
A rapid and simple chemical synthesis of poly(2-aminothiophenol)‑silver (P2ATP-Ag) nanocomposite using conductive and electroactive silver nanoparticles (AgNPs) is reported. The AgNPs was synthesized by chemical reduction method using tri‑sodium citrate as reducing agent and poly(N-vinyl-2-pyrrolidone) (PVP) as stabilizing agent. P2ATP-Ag nanocomposite was synthesized by using potassium peroxodisulphate as oxidant and the samples were characterized. The presence of AgNPs in the composite was confirmed from UV-Vis, FTIR and X-ray diffraction studies...
January 2018: Journal of Photochemistry and Photobiology. B, Biology
George Kosmadakis, Enrique Da Costa Correia, Julie Albaret, Frédéric Somda, Didier Aguilera
PURPOSE: Acetate in hemodialysis solutions exerts inflammatory, vasodilatatory and cardio-depressive effects. Citrate has been proposed as an optimal substitute. The aim of the present trial was the comparison of the hemodynamic and biological parameters on a group of patients dialysed consecutively with 4 acetate-free haemodialysis techniques. METHODS: In a prospective crossover manner, we measured the hemodynamic and biological effects of four acetate-free hemodialysis methods: he acetate-free biofiltration with variable potassium (AFBK) and three methods with a citrate buffer: onventional hemodialysis (HD), on-line hemodiafiltration (HDF) and on-line hemofiltration (HF)...
December 2017: Néphrologie & Thérapeutique
Adam Kern, Gwen Grimsby, Helen Mayo, Linda A Baker
BACKGROUND: Nephrolithiasis, or urinary stone disease, in children causes significant morbidity, and is increasing in prevalence in the North American population. Therefore, medical and dietary interventions (MDI) for recurrent urinary stones in children are poised to gain increasing importance in the clinical armamentarium. OBJECTIVES: To assess the effects of medical and dietary interventions (MDI) for the prevention of idiopathic urinary stones in children aged from one to 18 years...
November 9, 2017: Cochrane Database of Systematic Reviews
Zanlin Mai, Xiaoxia Li, Zelin Cui, Wenqi Wu, Yongda Liu, Lili Ou, Yueping Liang, Zhijian Zhao, Yang Liu, Xing Mai, Wei Zhu, Tao Zhang, Chao Cai, Houmeng Yang, Guohua Zeng
BACKGROUND: The aim of the study was to establish reference intervals for 24-h urinary stone risk factors in the healthy Chinese Han population. METHODS: From May 2013 to July 2014, we collected and analyzed 24-h urine samples from healthy adult Han population during a cross-sectional study across China. The protocol for analysis of 24-h urine included volume, pH, oxalate, citrate, sodium, potassium, chloride, calcium, phosphorous, creatinine, urate, magnesium, the ion activity products of calcium oxalate (AP(CaOx) indexs) and calcium phosphate (AP(CaP) indexs)...
November 2, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
Kang Chen, Dong Chen, Chuangxin Lan, Xiongfa Liang, Tao Zeng, Jian Huang, Xiaolu Duan, Zhenzhen Kong, Shujue Li, Hans-Göran Tiselius, Alberto Gurioli, Xiaogang Lu, Guohua Zeng, Wenqi Wu
OBJECTIVE: To investigate the impact of green tea on urinary oxalate excretion in healthy male volunteers. MATERIALS AND METHODS: The oxalate concentrations after different brewing times (2-60 min) of different qualities (2-8 g) of green tea were measured in in vitro experiment. In in vivo experiment, the effects on urine composition were assessed in 12 healthy men with an age of 24-29 years. Each subject was requested to collect two 24-h urine samples under normal dietary conditions...
January 2018: International Urology and Nephrology
J Santiago-Moreno, C Castaño, A Toledano-Díaz, M C Esteso, A López-Sebastián, S Villaverde-Morcillo, S G Dávila, M G Gil, E Blesbois
The fertilizing capacity of pure, fresh avian semen may disappear in just half an hour, hindering its successful use in artificial insemination (AI) projects. Longer storage requires the use of infra-physiological temperatures and of semen diluents that help preserve the spermatozoa but that do not interfere with their fertilizing capacity. This study examines the effect on sperm quality of storing red-legged partridge sperm for 3 h at 5°C with 2 different semen extenders: 1) a medium referred to as L&R-84, composed of sodium glutamate, glucose, magnesium acetate, potassium acetate, and polyvinylpyrrolidone, and 2) Lake 7...
September 1, 2017: Poultry Science
Lin Wang, Yinglin Cui, Jianwei Zhang, Qinsheng Zhang
RATIONALE: Urinary lithiasis is one of severe postoperative complications in patients undergoing renal transplantation, possibly leading to anuria, urinary infection, or even acute renal failure. Potassium sodium hydrogen citrate (PSHC), a potassium-bearing citrate, is commonly prescribed to prevent stone formation. PATIENT CONCERNS: A 25-year-old man (patient 1) and a 31-year-old man (patient 2) receiving renal transplantation for end-stage renal disease (ESRD) were enrolled in this study...
October 2017: Medicine (Baltimore)
Majuran Perinpam, Erin B Ware, Jennifer A Smith, Stephen T Turner, Sharon L R Kardia, John C Lieske
Urinary citrate (Ucit) protects against urinary stone formation. Acid base status and diet influence Ucit. However, the effect of demographics, diet, and glucose metabolism on Ucit excretion, urinary pH (U-pH) and net gastrointestinal alkali absorption (NAA) are not known. Twenty-four hour urine samples, blood glucose, creatinine, and cystatin C were obtained from non-Hispanic white sibships in Rochester, MN (n = 446; 64.5 ± 9 years; 58% female). Diet was assessed by a food frequency questionnaire. The impact of blood glucose, demographics and dietary elements on Ucit excretion, U-pH, and NAA were evaluated in bivariate and multivariable models and interaction models that included age, sex, and weight...
October 2017: Physiological Reports
Farahnak Assadi, Mastaneh Moghtaderi
Nephrolithiasis is a common health problem across the globe with a prevalence of 15%-20%. Idiopathic hypercalciuria is the most common cause of nephrolithiasis, and calcium oxalate stones are the most common type of stones in idiopathic hypercalciuric patients. Calcium phosphate stones are frequently associated with other diseases such as renal tubular acidosis type 1, urinary tract infections, and hyperparathyroidism. Compared with flat abdominal film and renal sonography, a noncontrast helical computed tomography scan of the abdomen is the diagnostic procedure of choice for detection of small and radiolucent kidney stones with sensitivity and specificity of nearly 100%...
2017: International Journal of Preventive Medicine
S Krishnamurthy, G B Kartha, V S Venkateswaran, M Prasannakumar, S Mahadevan, M Gowda, A Pelle, D Giachino
Primary hyperoxaluria (PH) Type 1 is a rare, genetic disorder caused by deficiency of the liver enzyme alanine-glyoxylate aminotransferase, which is encoded by AGXT gene. We report a 2-year-old South Indian Tamil child with nephrocalcinosis due to PH Type 1, in whom a homozygous genotype for two missense mutations in the AGXT gene was found: first, a C to G transversion (c. 32C>G) in exon 1 resulting in the amino acid substitution p.Pro11Arg; second, a T to A transversion (c. 167T>A) in exon 2 resulting in p...
September 2017: Indian Journal of Nephrology
Tuo Deng, Zanlin Mai, Chao Cai, Xiaolu Duan, Wei Zhu, Tao Zhang, Wenqi Wu, Guohua Zeng
OBJECTIVES: This study sought to explore the influence of different body weight statuses on 24-hour urine compositions in adults without urolithiasis based on a nationwide study of a Chinese Han population. MATERIAL AND METHODS: Twenty-four-hour urine samples from 584 Chinese Han adults without urolithiasis in six cities were analyzed. The participants were divided into four body weight status types according to their body mass indices (BMIs) according to WHO guidelines...
2017: PloS One
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