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Uric Acid Renal Function

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99 papers 25 to 100 followers
By Isabel Acosta-Ochoa Nephrology senior staff. Valladolid. Spain
https://www.readbyqxmd.com/read/28153936/the-3-year-incidence-of-gout-in-elderly-patients-with-ckd
#1
Vivian S Tan, Amit X Garg, Eric McArthur, Ngan N Lam, Manish M Sood, Kyla L Naylor
BACKGROUND AND OBJECTIVES: The risk of gout across CKD stages is not well described. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We performed a retrospective cohort study using linked health care databases from Ontario, Canada from 2002 to 2010. The primary outcome was the 3-year cumulative incidence of gout, on the basis of diagnostic codes. We presented our results by level of kidney function (eGFR≥90 ml/min per 1.73 m(2), 60-89, 45-59, 30-44, 15-29, and chronic dialysis) and by sex...
February 2, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28095258/the-safety-of-treatment-options-available-for-gout
#2
Naomi Schlesinger
Gout is the most common inflammatory arthritis in humans. Gout treatment includes rapid initiation of anti-inflammatory medications for acute attacks and chronically treating with urate lowering drugs as well as chronic anti-inflammatory prophylaxis. Areas covered: This review aims to provide an overview and discussion of the safety concerns of current treatment options available for gout. Expert opinion: Gout is a curable disease with appropriate treatment. The advent of new therapies provides encouraging opportunities to improve gout management...
January 17, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28095793/genetic-variation-underlying-renal-uric-acid-excretion-in-hispanic-children-the-viva-la-familia-study
#3
Geetha Chittoor, Karin Haack, Nitesh R Mehta, Sandra Laston, Shelley A Cole, Anthony G Comuzzie, Nancy F Butte, V Saroja Voruganti
BACKGROUND: Reduced renal excretion of uric acid plays a significant role in the development of hyperuricemia and gout in adults. Hyperuricemia has been associated with chronic kidney disease and cardiovascular disease in children and adults. There are limited genome-wide association studies associating genetic polymorphisms with renal urate excretion measures. Therefore, we investigated the genetic factors that influence the excretion of uric acid and related indices in 768 Hispanic children of the Viva La Familia Study...
January 17, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28107415/serum-uric-acid-and-progression-of-kidney-disease-a-longitudinal-analysis-and-mini-review
#4
Ching-Wei Tsai, Shih-Yi Lin, Chin-Chi Kuo, Chiu-Ching Huang
BACKGROUND: Increasing evidence supports the association between hyperuricemia and incident chronic kidney disease (CKD); however, there are conflicting data regarding the role of hyperuricemia in the progression of CKD. This study retrospectively assessed the longitudinal association between uric acid (UA) level and CKD progression in a Chinese population lived in Taiwan. METHODS: Patients with physician diagnosis of hyperuricemia or receiving urate-lowering therapy between 2003 and 2005 were identified in the electronic medical records (EMR) of a tertiary medical center and were followed up until December 31, 2011...
2017: PloS One
https://www.readbyqxmd.com/read/28095822/hyperuricemia-increases-the-risk-of-acute-kidney-injury-a-systematic-review-and-meta-analysis
#5
Xialian Xu, Jiachang Hu, Nana Song, Rongyi Chen, Ting Zhang, Xiaoqiang Ding
BACKGROUND: Mounting evidence indicated that the elevated serum uric acid level was associated with an increased risk of acute kidney injury (AKI). Our goal was to systematically evaluate the correlation of serum uric acid (SUA) level and incidence of AKI by longitudinal cohort studies. METHODS: We searched electronic databases and the reference lists of relevant articles. 18 cohort studies with 75,200 patients were analyzed in this random-effect meta-analysis. Hyperuricemia was defined as SUA levels greater than 360-420 μmol/L (6-7 mg/dl), which was various according to different studies...
January 17, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28114136/correlation-between-inflammatory-biomarkers-and-red-blood-cell-life-span-in-chronic-hemodialysis-patients
#6
Jie Ma, Yanna Dou, Hanjie Zhang, Stephan Thijssen, Schantel Williams, Viktoriya Kuntsevich, Georges Ouellet, Michelle M Y Wong, Vanja Persic, Anja Kruse, Laura Rosales, Yuedong Wang, Nathan W Levin, Peter Kotanko
BACKGROUND AND OBJECTIVES: The pathogenesis of anemia in hemodialysis (HD) patients is dependent on multiple factors, with decreased red blood cell life span (RBCLS) being a significant contributor. Although the impact of reduced RBCLS on anemia is recognized, it is still a subject that is not well researched. The objective of this study was to investigate the relationship between RBCLS and inflammatory biomarkers in chronic HD patients. DESIGN, SETTING, PARTICIPANTS, AND MEASUREMENTS: RBCLS was calculated from alveolar carbon monoxide concentrations measured by gas chromatography...
January 24, 2017: Blood Purification
https://www.readbyqxmd.com/read/28114139/uric-acid-vascular-stiffness-and-chronic-kidney-disease-is-there-a-link
#7
Juan C Ramirez-Sandoval, L Gabriela Sanchez-Lozada, Magdalena Madero
Controversy exists with regard to the causal role of hyperuricemia in chronic kidney disease. Vascular stiffness may be the link that explains the relation between hyperuricemia and kidney disease. Hyperuricemia is associated with a number of effects on the vascular endothelium and vascular smooth muscle cells, including an increase in oxidative stress, production of vasoconstrictors, and changes on the structural properties of the large artery wall. Observational evidence in large epidemiological cross-sectional studies suggests that there is an independent association between uric acid and arterial stiffness...
January 24, 2017: Blood Purification
https://www.readbyqxmd.com/read/28074335/clinical-effects-of-topiroxostat-on-renal-and-endothelial-function-in-a-patient-with-chronic-kidney-disease-and-hyperuricemic-arteriolopathy-a-case-report
#8
Atsushi Tanaka, Tsukasa Nakamura, Eiichi Sato, Koichi Node
Hyperuricemia is associated with the progression of chronic kidney disease (CKD) and cardiovascular diseases. Topiroxostat, a selective xanthine oxidase inhibitor, effectively reduces serum uric acid (UA) levels and urinary albumin excretion (UAE) in CKD patients. A 50-year-old Japanese man was referred to our hospital due to albuminuria and hyperuricemia, and renal biopsy showed a typical hyperuricemic arteriolopathy. Treatment with topiroxostat decreased serum UA levels (9.2 mg/dL at baseline to 6.4 mg/dL after 6 months), UAE (388 to 88 mg/g...
January 10, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28064158/serum-uric-acid-protein-intake-and-mortality-in-hemodialysis-patients
#9
Christina Park, Yoshitsugu Obi, Elani Streja, Connie M Rhee, Christina J Catabay, Nosratola D Vaziri, Csaba P Kovesdy, Kamyar Kalantar-Zadeh
BACKGROUND: The association between serum uric acid (SUA) and mortality has been conflicting among studies using hemodialysis (HD) patients. Given the close link between purine and protein in foods, we hypothesized that normalized protein catabolic rate (nPCR), a dietary protein intake surrogate, modifies the SUA-mortality association in the HD population. METHODS: We identified 4298 patients who initiated HD and had one or more SUA measurement in a contemporary cohort of HD patients over 5 years (1 January 2007-31 December 2011), and examined survival probability according to the first uric acid measurement, adjusting for dialysis vintage, case-mix and malnutrition-inflammation complex-related variables...
January 7, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28001185/serum-uric-acid-and-its-association-with-hypertension-early-nephropathy-and-chronic-kidney-disease-in-type-2-diabetic-patients
#10
Mohamed Fouad, Hoda Fathy, Amal Zidan
INTRODUCTION: Early detection diabetic nephropathy (DN) is important. Whether serum uric acid (SUA) has a role in the development of DN is not known. OBJECTIVE: To study the relationship between SUA and hypertension, early nephropathy and progression of chronic kidney disease (CKD) in type 2 diabetes mellitus (T2DM). METHODS: The total number of the study was 986 participants, according to presence and duration of diabetes were classified into three groups...
December 2016: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/28004164/longitudinal-transition-trajectory-of-gouty-arthritis-and-its-comorbidities-a-population-based-study
#11
Chien-Fang Huang, Ju-Chi Liu, Hui-Chuan Huang, Shao-Yuan Chuang, Chang-I Chen, Kuan-Chia Lin
The aim of the study was to investigate the longitudinal transition trajectory of gout and its comorbidities in male patients with gout in different age groups. A total of 3973 male patients who received a new diagnosis of gouty arthritis were identified from the Taiwan Longitudinal Health Insurance Database and divided into two age cohorts (<50 and ≥50 years). Each patient was individually followed from 2000 to 2009 to identify associated comorbidities, namely hypertension, hypercholesterolemia, diabetes mellitus, cardiovascular diseases, and chronic kidney disease...
February 2017: Rheumatology International
https://www.readbyqxmd.com/read/28027534/asymptomatic-hyperuricemia-is-a-strong-risk-factor-for-resistant-hypertension-in-elderly-subjects-from-general-population
#12
Alberto Mazza, Salvatore Lenti, Laura Schiavon, Alvise Del Monte, Danyelle M Townsend, Emilio Ramazzina, Domenico Rubello, Edoardo Casiglia
OBJECTIVE: In clinical practice, patient characteristics predicting resistant hypertension (RH) include higher blood pressure levels, left ventricular hypertrophy, older age, obesity, chronic kidney disease and diabetes. On the contrary little is known about the role of serum uric acid (SUA) as a risk factor for RH in subjects from general population. MATERIAL AND METHODS: 580 elderly subjects aged ≥65 years were enrolled in the Risk Of Vascular complications Impact of Genetics in Old people (ROVIGO) study...
February 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27988213/down-regulation-of-abcg2-a-urate-exporter-by-parathyroid-hormone-enhances-urate-accumulation-in-secondary-hyperparathyroidism
#13
Ryusei Sugimoto, Hiroshi Watanabe, Komei Ikegami, Yuki Enoki, Tadashi Imafuku, Yoshiaki Sakaguchi, Michiya Murata, Kento Nishida, Shigeyuki Miyamura, Yu Ishima, Motoko Tanaka, Kazutaka Matsushita, Hirotaka Komaba, Masafumi Fukagawa, Masaki Otagiri, Toru Maruyama
Hyperuricemia occurs with increasing frequency among patients with hyperparathyroidism. However, the molecular mechanism by which the serum parathyroid hormone (PTH) affects serum urate levels remains unknown. This was studied in uremic rats with secondary hyperparathyroidism where serum urate levels were found to be increased and urate excretion in the intestine and kidney decreased, presumably due to down-regulation of the expression of the urate exporter ABCG2 in intestinal and renal epithelial membranes...
December 14, 2016: Kidney International
https://www.readbyqxmd.com/read/27951538/colchicine-in-renal-medicine-new-virtues-of-an-ancient-friend
#14
Yalcin Solak, Dimitrie Siriopol, Abdulmecit Yildiz, Mahmut Ilker Yilmaz, Alberto Ortiz, Adrian Covic, Mehmet Kanbay
Colchicine is a plant-derived alkaloid that disrupts the cell microtubule system and accumulates in neutrophils, inhibiting neutrophil adhesion and recruitment. Colchicine has been used extensively in the prevention and treatment of gouty arthritis attacks, familial Mediterranean fever attacks and resultant AA amyloidosis, and recurrent pericarditis. Colchicine also disrupts the intracellular traffic of additional inflammatory and fibrosis mediators. Renal fibrosis is the final common pathway of chronic renal disease...
December 13, 2016: Blood Purification
https://www.readbyqxmd.com/read/27926541/major-unanswered-questions-in-the-clinical-gout-field
#15
Lisa K Stamp
PURPOSE OF REVIEW: Although gout is one of the most common forms of inflammatory arthritis, it has been relatively neglected until recently. Despite progress in many areas of pathophysiology and genetics of gout and the development of new urate lowering therapies, there remain a number of unanswered clinical questions. With the resurgence of interest in gout it is important to recognize key aspects of gout management that remain challenging and require further research. RECENT FINDINGS: The unanswered clinical issues outlined in this review are basic aspects of gout management that clinicians treating people with gout face on a daily basis and include when urate lowering therapy should be commenced, the most appropriate target serum urate, use of prophylaxis when starting urate lowering therapy and the most appropriate urate lowering therapy, particularly for those with chronic kidney disease...
March 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/27932336/heat-stress-hydration-and-uric-acid-a-cross-sectional-study-in-workers-of-three-occupations-in-a-hotspot-of-mesoamerican-nephropathy-in-nicaragua
#16
Catharina Wesseling, Aurora Aragón, Marvin González, Ilana Weiss, Jason Glaser, Christopher J Rivard, Carlos Roncal-Jiménez, Ricardo Correa-Rotter, Richard J Johnson
OBJECTIVES: To study Mesoamerican nephropathy (MeN) and its risk factors in three hot occupations. DESIGN: Cross-sectional. SETTING: Chinandega and León municipalities, a MeN hotspot on the Nicaraguan Pacific coast, January-February 2013. PARTICIPANTS: 194 male workers aged 17-39 years: 86 sugarcane cutters, 56 construction workers, 52 small-scale farmers. OUTCOME MEASURES: (1) Differences between the three occupational groups in prevalences/levels of socioeconomic, occupational, lifestyle and health risk factors for chronic kidney disease (CKD) and in biomarkers of kidney function and hydration; (2) differences in prevalences/levels of CKD risk factors between workers with reduced estimated glomerular filtration rate (eGFRCKD-EPI <80 mL/min/1...
December 8, 2016: BMJ Open
https://www.readbyqxmd.com/read/27906625/uric-acid-metabolism-of-kidney-and-intestine-in-a-rat-model-of-chronic-kidney-disease
#17
Michito Nagura, Yoshifuru Tamura, Takanori Kumagai, Makoto Hosoyamada, Shunya Uchida
Uric acid (UA) is a potential risk factor of the progression of chronic kidney disease (CKD). Recently, we reported that intestinal UA excretion might be enhanced via upregulation of the ATP-binding cassette transporter G2 (Abcg2) in a 5/6 nephrectomy (Nx) rat model. In the present study, we examined the mRNA and protein expressions of UA transporters, URAT1, GLUT9/URATv1, ABCG2 and NPT4 in the kidney and ileum in the same rat model. Additionally, we investigated the Abcg2 mRNA expression of ileum in hyperuricemic rat model by orally administering oxonic acid...
December 2016: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/27871785/hyperuricemia-is-an-independent-competing-risk-factor-for-atrial-fibrillation
#18
Masanari Kuwabara, Koichiro Niwa, Shuzo Nishihara, Yutaro Nishi, Osamu Takahashi, Kazuomi Kario, Kazuhiro Yamamoto, Takeshi Yamashita, Ichiro Hisatome
BACKGROUNDS: The relationship between serum uric acid (SUA) and atrial fibrillation (AF) remains unclear because many parameters and diseases influence AF. This study was conducted to clarify the role of hyperuricemia as an independent competing risk factor for AF in an apparently healthy general population. METHODS: We retrospectively analyzed the medical records of 90,143 Japanese subjects who underwent annual regular health check-up in St. Luke's International Hospital, Tokyo, between January 2004 and June 2010...
March 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27852432/febuxostat-hypersensitivity-another-cause-of-dress-syndrome-in-chronic-kidney-disease
#19
E Paschou, E Gavriilaki, G Papaioannou, A Tsompanakou, A Kalaitzoglou, N Sabanis
Febuxostat is a xanthine oxidase inhibitor that during the last years has successfully replaced allopurinol treatment in patients with chronic kidney disease (CKD) and hyperuricemia. Several adverse events have been observed during therapy with febuxostat. DRESS (Drug Reaction with Eosinophilia and Systemic Symptoms) syndrome induced by febuxostat has been poorly described, mainly in patient with CKD who previously developed allopurinol hypersensitivity syndrome. DRESS syndrome is characterized by manifold cutaneous reactions and systemic disorders with potential devastating consequences...
November 2016: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27825577/efficacy-and-safety-of-febuxostat-in-73-gouty-patients-with-stage-4-5-chronic-kidney-disease-a-retrospective-study-of-10-centers
#20
Pierre-Antoine Juge, Marie-Elise Truchetet, Evangeline Pillebout, Sébastien Ottaviani, Cécile Vigneau, Clotilde Loustau, Divi Cornec, Tristan Pascart, Renaud Snanoudj, Florian Bailly, Emilie Cornec-Le Gall, Thierry Schaeverbeke, Alain Saraux, Philippe Dieudé, René-Marc Flipo, Pascal Richette, Frédéric Lioté, Thomas Bardin, Gérard Chalès, Hang-Korng Ea
OBJECTIVES: The allopurinol dose is limited in chronic kidney disease, particularly stage 4/5 chronic kidney disease. Febuxostat has a hepatic metabolism and has been approved without dose adaptation in gouty patients with stage 1-3 chronic kidney disease. We aimed to study the safety and efficacy of febuxostat for stage 4/5 chronic kidney disease. METHODS: In this retrospective study, we included patients with (1) a diagnosis of gout, (2) febuxostat treatment, (3) estimated glomerular filtration rate≤30mL/min/1...
November 4, 2016: Joint, Bone, Spine: Revue du Rhumatisme
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