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Hyperuricemia and Chronic kidney disease

Kamila A Kaminska-Pajak, Katarzyna Dyga, Piotr Adamczyk, Maria Szczepańska, Marcin Zaniew, Bodo Beck, Marcin Tkaczyk
Hyperuricemia is a common symptom in adult population. It usually accompanies the chronic kidney disease. Less frequently, it is a primary phenomenon causing later serious clinical consequences. Familial juvenile hyperuricemic nephropathy (FJHN) is one of the hereditary conditions associated with high levels of serum uric acid and leading to dialysis in young adult age. It results from mutation in the UMOD gene, encoding the uromodulin protein, that is, Tamm-Horsfall protein. The aim of this paper was to present two families (7 affected members) with FJHN, in whom standard nephrological diagnostics did not provide clear cause of dialysis-dependent chronic kidney disease, until genetic testing was performed...
October 20, 2016: Renal Failure
Yan-Ping Huang, Tao Zheng, Dan-Huan Zhang, Ling-Yun Chen, Pei-Jv Mao
OBJECTIVE: To investigate the prevalence and risk factors for chronic kidney disease (CKD) among community elderly population in Shanghai, China, in order to provide early diagnosis and treatment of CKD, and improve the quality of life for elderly people. METHODS: In all, 24,886 residents (≥65 years old) were selected from community population in Changning District of Shanghai, China in 2014. They were interviewed and tested for reduced renal function estimated GFR by CKD-EPI equation...
October 19, 2016: Renal Failure
Jae Hyun Jung, Gwan Gyu Song, Jong Dae Ji, Young Ho Lee, Jae-Hoon Kim, Young Ho Seo, Sung Jae Choi
Background/Aims: We performed this study to investigate associations between metabolic syndrome, chronic kidney disease (CKD), and gout. Methods: We reviewed the medical records of 151 patients with gout at the Department of Rheumatology in Korea University Ansan Hospital. The following measures were examined: waist circumference, blood pressure, alcohol consumption, and levels of triglyceride, high density lipoprotein cholesterol, fasting serum glucose, serum uric acid (SUA), creatinine, insulin, and C-peptide...
October 12, 2016: Korean Journal of Internal Medicine
Samir G Mallat, Sahar Al Kattar, Bassem Y Tanios, Abdo Jurjus
Uric acid is a product of purine metabolism and has been linked to gout and kidney calculi. Chronic kidney disease (CKD) and hypertension (HTN) are two major public health problems, and both are associated with increased risk of cardiovascular events. Emerging evidence suggests a pathogenic role of hyperuricemia in the development of HTN and CKD, in addition to progression of CKD, by inducing renal inflammation, endothelial dysfunction, and activation of the renin-angiotensin system. In addition, several epidemiological studies have linked hyperuricemia with an increased risk of HTN and CKD...
October 2016: Current Hypertension Reports
Mitsutoshi Oguri, Tetsuo Fujimaki, Hideki Horibe, Kimihiko Kato, Kota Matsui, Ichiro Takeuchi, Yoshiji Yamada
OBJECTIVES: The purpose of the present study was to examine the association of body mass index (BMI) or obesity with various clinical parameters and conditions in a longitudinal population-based epidemiological study in Japan. METHODS: Study subjects comprised 6027 community-dwelling individuals who were recruited to the Inabe Health and Longevity Study, a longitudinal genetic epidemiological study of atherosclerotic, cardiovascular, and metabolic diseases. Obesity was defined as BMI ≥25kg/m(2)...
September 3, 2016: Obesity Research & Clinical Practice
Michael B Saddekni, Kenneth G Saag, Tanja Dudenbostel, Suzanne Oparil, David A Calhoun, Sebastian E Sattui, Daniel I Feig, Paul Muntner, David T Redden, Phillip J Foster, Elizabeth J Rahn, Stephanie R Biggers, Peng Li, Angelo L Gaffo
BACKGROUND: The association between hyperuricemia and hypertension is controversial. Animal models, epidemiological data, and small clinical trials have favored a causative role for hyperuricemia in hypertension but more studies are necessary to elucidate putative mechanisms, population susceptibility, and potential for urate-lowering therapies (ULT) to decrease blood pressure (BP). PURPOSE: To describe the background and design of the Serum Urate Reduction to Prevent Hypertension (SURPHER) study...
September 2016: Contemporary Clinical Trials
Joseph Kupferman, Juan José Amador, Katherine E Lynch, Rebecca L Laws, Damaris López-Pilarte, Oriana Ramírez-Rubio, James S Kaufman, Jorge Luis Lau, Daniel E Weiner, Ninoska Violeta Robles, Karina P Verma, Madeleine K Scammell, Michael D McClean, Daniel R Brooks, David J Friedman
BACKGROUND: Mesoamerican nephropathy (MeN) is a kidney disease of unknown cause that mainly affects working-age men in Central America. Despite being a major cause of morbidity and mortality in this region, its clinical characteristics have not been well defined. STUDY DESIGN: Cross-sectional family-based study. SETTING & PARTICIPANTS: 266 members of 24 families with high chronic kidney disease (CKD) burdens in a MeN hotspot in Northwestern Nicaragua...
August 26, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
L Degli Esposti, G Desideri, S Saragoni, S Buda, R Pontremoli, C Borghi
BACKGROUND AND AIM: Chronic hyperuricemia is responsible for a relevant burden of articular diseases and cardio-nephrometabolic disorders. We evaluated the effect of high serum uric acid (SUA) levels on hospitalization risk and mortality and on healthcare costs in a real-life setting. METHODS AND RESULTS: We conducted a retrospective analysis using a large administrative database and a clinical registry among 112,170 subjects from three Italian local health units...
October 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
Diana I Jalal
Hyperuricemia (elevated serum uric acid) is prevalent, and an important mediator of gout, an increasingly common condition. In addition, hyperuricemia is associated with metabolic syndrome, diabetes, hypertension, and kidney and cardiovascular diseases. Although it remains controversial whether hyperuricemia is a causal factor for kidney disease, the kidneys play a major role in the regulation of serum uric acid levels. Approximately two-thirds of the uric acid produced in humans is excreted by the kidneys...
November 2016: Current Medical Research and Opinion
Velibor Tasic, Aleksandra Janchevska, Nora Emini, Emilija Sahpazova, Zoran Gucev, Momir Polenakovic
The knowledge about the progression of chronic kidney disease is an important issue for every pediatric nephrologist and pediatrician in order to implement appropriate measures to prevent wasting of renal function and the final consequence - end stage renal disease with the need for the dialysis and transplantation. Therefore it is important to know, treat or ameliorate the standard risk factors such as hypertension, proteinuria, anemia, hyperparathyroidism etc. In this review devoted to the World Kidney Day 2016 we will pay attention to the low birth parameters, obesity, hyperuricemia and smoking which emerged as particularly important risk factors for children and adolescent with chronic kidney disease...
2016: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
José Pedraza-Chaverri, Laura G Sánchez-Lozada, Horacio Osorio-Alonso, Edilia Tapia, Alexandra Scholze
In chronic kidney disease inflammatory processes and stimulation of immune cells result in overproduction of free radicals. In combination with a reduced antioxidant capacity this causes oxidative stress. This review focuses on current pathogenic concepts of oxidative stress for the decline of kidney function and development of cardiovascular complications. We discuss the impact of mitochondrial alterations and dysfunction, a pathogenic role for hyperuricemia, and disturbances of vitamin D metabolism and signal transduction...
2016: Oxidative Medicine and Cellular Longevity
Haijiang Dai, Shijuan Lu, Xiaohong Tang, Minggen Lu, Ruifang Chen, Zhiheng Chen, Pingting Yang, Chang Liu, Honghao Zhou, Yao Lu, Hong Yuan
BACKGROUND/AIMS: Chronic kidney disease (CKD) is one of the major complications of hypertension. It is not only associated with the future burden of end-stage renal disease but also affects mortality and cardiovascular outcomes caused by hypertension. To help understand the pathogenesis and early prevention of progressive CKD, this large-scale study is designed to determine the complex association between serum uric acid (SUA), metabolic syndrome and the prevalence of CKD in hypertensive patients...
2016: Kidney & Blood Pressure Research
Takanori Kumagai, Tatsuru Ota, Yoshifuru Tamura, Wen Xiu Chang, Shigeru Shibata, Shunya Uchida
Uric acid (UA) remains a possible risk factor of chronic kidney disease (CKD) but its potential role should be elucidated given a fact that multidisciplinary treatments assure a sole strategy to inhibit the progression to end-stage renal disease (ESRD). In clinical setting, most observational studies showed that elevation of serum uric acid (SUA) independently predicts the incidence and the development of CKD. The meta-analysis showed that SUA-lowering therapy with allopurinol may retard the progression of CKD but did not reach conclusive results due to small-sized studies...
June 23, 2016: Clinical and Experimental Nephrology
Vendula Bartáková, Katarína Kuricová, Lukáš Pácal, Zuzana Nová, Veronika Dvořáková, Martina Švrčková, Denisa Malúšková, Ivana Svobodová, Jitka Řehořová, Jan Svojanovský, Jindřich Olšovský, Jana Bělobrádková, Kateřina Kaňková
AIMS: The aims of the study were (i) to ascertain prognostic value of serum uric acid (SUA) for diabetic kidney disease (DKD) progression and major adverse cardiovascular event (MACE) in a cohort of T2DM patients, (ii) to ascertain eventual protective effect of allopurinol treatment, (iii) to determine the effect of genetic variability in UA transporters on DKD progression, and (iv) to define optimal cut-off values for SUA in patients with DKD. METHODS: Study comprised 422 subjects with diabetes duration at least 15years followed-up for a median of 43 [IQR 22-77] months...
September 2016: Journal of Diabetes and its Complications
Mei-Hsing Chuang, Kuo-Meng Liao, Yao-Min Hung, Paul Yung-Pou Wang, Yi-Chang Chou, Pesus Chou
OBJECTIVES: To examine whether older people with abnormal thyroid function are more likely to develop chronic kidney disease (CKD) over a 5-year follow-up period. DESIGN: Retrospective cohort study. SETTING: Health examination data from the Taipei Databank for Public Health Analysis. PARTICIPANTS: Individuals aged 65 and older (N = 41,454). MEASUREMENTS: Thyroid-stimulating hormone (TSH) levels were repeatedly measured, and subjects were categorized into four thyroid function groups (hyperthyroid, euthyroid, subclinical hypothyroid, overt hypothyroid)...
June 2016: Journal of the American Geriatrics Society
Moisés Carminatti, Natália Maria Silva Fernandes, Fernando Antônio Basile Colugnati, Helady Sanders-Pinheiro
OBJECTIVES: Kidney transplant recipients present with treatable complications related to chronic kidney disease, similarly to predialysis patients. The role of multidisciplinary clinics in the management of these complications in kidney transplant recipients is not fully understood. The objective of the present study was to compare the availability of specific treatments for chronic kidney disease-related complications between predialysis patients and kidney transplant recipients, both followed by a multidisciplinary team...
June 15, 2016: Experimental and Clinical Transplantation
Vibha Bhatnagar, Erin L Richard, Wei Wu, Caroline M Nievergelt, Michael S Lipkowitz, Janina Jeff, Adam X Maihofer, Sanjay K Nigam
BACKGROUND: In the setting of chronic kidney disease (CKD), altered extra-renal urate handling may be necessary to regulate plasma uric acid. The Remote Sensing and Signaling Hypothesis (Nigam S. What do drug transporters really do? Nat Rev Drug Discov 2015; 14: 29-44) suggests that multispecific solute carrier (SLC) and ATP-binding cassette (ABC) drug transporters in different tissues are part of an inter-organ communication system that maintains levels of urate and other metabolites after organ injury...
June 2016: Clinical Kidney Journal
Hirotake Okazaki, Akihiro Shirakabe, Nobuaki Kobayashi, Noritake Hata, Takuro Shinada, Masato Matsushita, Yoshiya Yamamoto, Junsuke Shibuya, Reiko Shiomura, Suguru Nishigoori, Kuniya Asai, Wataru Shimizu
BACKGROUND: The serum level of uric acid (UA) is a well-known prognostic factor for heart failure (HF) patients. However, the prognostic impact of hyperuricemia and the factors that induce hyperuricemia in acute HF (AHF) patients are not well understood. METHODS AND RESULTS: Eight hundred eighty-nine AHF patients were enrolled in this study. The patients were assigned into a low UA group (UA≤7.0mg/dl, n=495) or a high UA group (UA>7.0mg/dl, n=394) according to their UA level on admission...
May 31, 2016: Journal of Cardiology
Alberto Palazzuoli, Gaetano Ruocco, Marco Pellegrini, Matteo Beltrami, Nicola Giordano, Ranuccio Nuti, Peter A McCullough
Serum uric acid (UA) is associated with death and hospitalization in chronic heart failure (HF). However, UA in acute HF has not been well studied with respect to its relation to renal dysfunction and vascular congestion. We measured admission serum UA along with baseline variables in 281 patients with acute HF screened from the Loop Diuretics Administration and Acute Heart Failure (Diur-HF) trial. Hyperuricemia was defined as serum UA >7 mg/dl in men and >6 mg/dl in women. Chronic kidney disease (CKD) was defined as an estimated glomerular filtration rate <60 ml/min/1...
May 15, 2016: American Journal of Cardiology
Bancha Satirapoj, Orasa Wirajit, Anuchart Burata, Ouppatham Supasyndh, Prajej Ruangkanchanasetr
BACKGROUND: Hyperuricemia has been associated with increased risk of endothelial dysfunction, cardiovascular, and renal disease. Allopurinol is a potent xanthine oxidase inhibitor used in hyperuricemic patients. It has been shown to decrease cardiovascular disease and hypertension. However, studies have reported conflicting evidence on its effects on blood pressure (BP) and estimated glomerular filtration rate (GFR) in chronic kidney disease (CKD) patients. OBJECTIVE: To demonstrate the effect of allopurinol on BP and estimated GFR in CKD patients...
December 2015: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
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