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uric acid in CKD

Zengchun Ye, Qunzi Zhang, Yan Li, Cheng Wang, Jun Zhang, Xinxin Ma, Hui Peng, Tanqi Lou
Hyperhomocysteinemia (HHcy) is recognized as a risk factor for cardiovascular disease. However, the prevalence of HHcy and its role in association with target organ damage in patients with chronickidney disease (CKD) are not well understood. This cross-sectional study included 1042 CKD patients who were admitted to our hospital. Patients were divided into two groups: hyperhomocysteinemia and normohomocysteinemia. Multivariable linear regression analyses were used to evaluate the association between plasma homocysteine and renal/cardiovascular parameters...
October 20, 2016: Nutrients
Anna Gluba-Brzózka, Beata Franczyk, Piotr Bartnicki, Magdalena Rysz-Górzyńska, Jacek Rysz
BACKGROUND: Chronic kidney disease (CKD) poses a worldwide public health problem. CKD is an independent risk factor for cardiovascular disease (CVD). OBJECTIVE: The aim of this study was to assess the cardiovascular risk in ESRD patients and to evaluate the relationship between serum uric acid and lipoprotein subfractions. METHODS: The study group consisted of 66 patients on dialysis and control group of 25 healthy volunteers. Concentration of HDL and LDL subfractions were analysed with Lipoprint™...
October 21, 2016: Current Vascular Pharmacology
Do Hee Kim, Hee Jin Kwon, Sang A Ji, Hye Ryoun Jang, Sin-Ho Jung, Jung-Han Kim, Jae Hyeon Kim, Jung Eun Lee, Wooseong Huh, Yoon-Goo Kim, Dae Joong Kim, Ha Young Oh
Primary aldosteronism (PA) may induce significant decline of renal function and structural damage of kidney. However, it is difficult to evaluate accurate renal function in patients with PA, because glomerular hyperfiltration and aldosterone escape can conceal renal impairment. In this retrospective cohort study, we compared changes in renal function after unilateral adrenalectomy between patients with PA and patients with other adrenal diseases. Risk factors associated with postoperative renal impairment in patients with PA were analyzed...
July 2016: Medicine (Baltimore)
Ran-Hui Cha, Hajeong Lee, Jung Pyo Lee, Chun Soo Lim, Yon Su Kim, Sung Gyun Kim
OBJECTIVE: Blood pressure (BP) control is the most established practice for preventing the progression of chronic kidney disease (CKD). We examined the BP control and nocturnal dipping pattern change in hypertensive patients with CKD and its effects on target organ damages. DESIGN AND METHOD: We recruited 378 hypertensive CKD patients from 4 centers in Korea. They underwent office and ambulatory BP monitoring at the time of enrollment and 1 year after. High office and ambulatory BP was defined as > 140/90 mmHg and > 135/85 mmHg (daytime)/> 120/70 mmHg (nighttime), respectively...
September 2016: Journal of Hypertension
Hua Chen, Gang Cao, Dan-Qian Chen, Ming Wang, Nosratola D Vaziri, Zhi-Hao Zhang, Jia-Rong Mao, Xu Bai, Ying-Yong Zhao
Early detection is critical in prevention and treatment of kidney disease. However currently clinical laboratory and histopathological tests do not provide region-specific and accurate biomarkers for early detection of kidney disease. The present study was conducted to identify sensitive biomarkers for early detection and progression of tubulo-interstitial nephropathy in aristolochic acid I-induced rats at weeks 4, 8 and 12. Biomarkers were validated using aristolochic acid nephropathy (AAN) rats at week 24, adenine-induced chronic kidney disease (CKD) rats and CKD patients...
September 28, 2016: Redox Biology
Yuta Matsukuma, Kosuke Masutani, Shigeru Tanaka, Akihiro Tsuchimoto, Kiichiro Fujisaki, Kumiko Torisu, Ritsuko Katafuchi, Hideki Hirakata, Kazuhiko Tsuruya, Takanari Kitazono
Recently, low serum uric acid (SUA) levels and high SUA levels, have emerged as risk factors for cardiovascular disease, as well as for the incidence of acute kidney injury and chronic kidney disease (CKD). However, the effect of low SUA on the progression of CKD remains unclear. To evaluate the association between SUA and renal prognosis in patients with immunoglobulin A nephropathy (IgAN), one of the most common causes of CKD, we retrospectively followed 1218 patients who were diagnosed with primary IgAN by kidney biopsy between October 1979 and December 2010...
October 13, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
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
Silvia Lai, Mauro Ciccariello, Mira Dimko, Alessandro Galani, Silvio Lucci, Rosario Cianci, Amalia Mariotti
: Bakground/Aims: Cardiovascular diseases represent the leading causes of morbidity and mortality in patients with cronich kidney disease (CKD). The pathogenesis includes a complex, bidirectional interaction between heart and kidney termed cardiorenal syndrome type 4. The aim of study was to evaluate the association between renal and cardiovascular ultrasonographic parameters and identify early markers of cardiovascular risk. METHODS: A total of 35 patients with CKD and 25 healthy controls, were enrolled and we have evaluated inflammatory indexes, mineral metabolism, renal function, renal and cardiovascular ultrasonographic parameters...
September 26, 2016: Kidney & Blood Pressure Research
Teppei Sakoh, Masaru Nakayama, Takuya Tsuchihashi, Ryota Yoshitomi, Shigeru Tanaka, Eisuke Katafuchi, Akiko Fukui, Yui Shikuwa, Naohiko Anzai, Takanari Kitazono, Kazuhiko Tsuruya
OBJECTIVE: In patients with preserved kidney function, a positive association of fibroblast growth factor 23 (FGF23) with serum uric acid (SUA) has been reported; however, the relationship in overall chronic kidney disease (CKD) patients has not been investigated. No report has examined the relationship between FGF23 and uric acid clearance (CUA). The aim of the present study was to determine whether FGF23 is independently associated with urate metabolism in patients with CKD stages 1-5...
October 2016: Metabolism: Clinical and Experimental
Diana I Jalal, Emily Decker, Loni Perrenoud, Kristen L Nowak, Nina Bispham, Tapan Mehta, Gerard Smits, Zhiying You, Douglas Seals, Michel Chonchol, Richard J Johnson
Hyperuricemia may contribute to endothelial dysfunction in CKD. We evaluated whether lowering serum uric acid levels with allopurinol improves endothelial dysfunction in 80 participants ≥18 years of age with stage 3 CKD and asymptomatic hyperuricemia (≥7 mg/dl in men and ≥6 mg/dl in women) randomized in a double-blinded manner to receive placebo or allopurinol for 12 weeks. Randomization was stratified according to presence or absence of diabetes mellitus. We measured vascular endothelial function by brachial artery flow-mediated dilation...
September 12, 2016: Journal of the American Society of Nephrology: JASN
Nilo César do Vale Baracho, Natália Fechus Monteiro, Manuela Guedes Borges, Raíssa Robles de Moura Arguelho
PURPOSE: To evaluate the effect of the aqueous extract of the Vigna angularis, popularly known as "Azuki beans", in rats subjected to an experimental model of moderate chronic kidney disease. METHODS: Thirty rats underwent two surgeries - Ormrod and Miller (1980) - to obtain Moderate Chronic Kidney Disease (CKD-M). The animals were randomized into 3 groups. Group 1 (Control): distilled water. Group 2 (Azuki): Vigna angularis 5% aqueous extract. Group 3 (Treatment): 10mg/kg of enalapril maleate...
August 2016: Acta Cirúrgica Brasileira
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
Ezgi Coskun Yenigun, Cenk Aypak, Didem Turgut, Mehmet Zafer Aydin, Fatih Dede
BACKGROUND: There is a strong association between chronic kidney disease (CKD) and cardiovascular events. Increased arrhythmia risk in kidney disease is one of the main predominant factors in increased mortality and sudden cardiac death. To estimate this risk, noninvasive measurement of repolarization abnormalities including QT interval and its heart rate-corrected value (QTc) with surface ECG, are commonly used parameters in clinical practice. The aim of this study is to examine the effect of CKD-related problems - mainly acidosis - on QT intervals...
August 19, 2016: International Journal of Artificial Organs
Xi Xia, Qimei Luo, Bin Li, Zhenchuan Lin, Xueqing Yu, Fengxian Huang
BACKGROUND: Studies have shown inconsistent results about the association between serum uric acid levels and mortality in patients with chronic kidney disease (CKD). METHODS: A systematic literature search in MEDLINE, Web of Science and bibliographies of retrieved articles was performed to identify studies investigating the association between serum uric acid and mortality in patients with CKD. Pooled hazard ratios (HR) and corresponding 95% confidence intervals (CIs) were calculated using random-effects models...
September 2016: Metabolism: Clinical and Experimental
Angelo Zinellu, Salvatore Sotgia, Arduino A Mangoni, Elisabetta Sotgiu, Sara Ena, Andrea E Satta, Ciriaco Carru
The elevated cardiovascular morbidity and mortality in chronic kidney disease (CKD) is linked with endothelial dysfunction secondary to the pro-inflammatory and pro-oxidative state typical of this pathology. In consideration of the well-known pleiotropic effect of statins, we investigated the effect of cholesterol lowering treatment on endothelial dysfunction markers (MED), asymmetric dimethylarginine (ADMA), vascular cell (VCAM) and intercellular (ICAM) adhesion molecule. Plasma MED concentrations, inflammation and oxidative stress indices [Kynurenine/Tryptophan (Kyn/Trp) ratio, malondialdehyde (MDA) and allantoin/uric acid (All/UA) ratio] were measured in 30 CKD patients randomized to three cholesterol lowering regimens for 12 months (simvastatin 40mg/day, ezetimibe/simvastatin 10/20mg/day, or ezetimibe/simvastatin 10/40mg/day)...
September 10, 2016: Journal of Pharmaceutical and Biomedical Analysis
Zengchun Ye, Cheng Wang, Qunzi Zhang, Yan Li, Jun Zhang, XinXin Ma, Hui Peng, Tanqi Lou
Patients with both hypertension and hyperhomocysteinemia, termed H-type hypertension, have a high risk for cardiocerebrovascular diseases. However, little is known about the prevalence of H-type hypertension or its role in target organ damage in patients with chronic kidney disease (CKD). The authors recruited 1042 patients with CKD who were admitted to their hospital division. Multiple linear regression analyses were used to evaluate the association between H-type hypertension and renal/cardiovascular parameters...
July 21, 2016: Journal of Clinical Hypertension
Elbis Ahbap, Tamer Sakaci, Ekrem Kara, Tuncay Sahutoglu, Yener Koc, Taner Basturk, Mustafa Sevinc, Cuneyt Akgol, Barıs Hasbal, Mahmoud Isleem, Perin Nazif, Feyza Bayraktar Caglayan, Abdulkadir Unsal
BACKGROUND: The aim of this study was to evaluate serum uric acid levels, inflammatory markers [C-reactive protein (CRP), neutrophil-to-lymphocyte ratio (NLR), and platelet-to-lymphocyte ratio (PLR)] and mean platelet volume (MPV) among hypertensive patients with or without chronic kidney disease (CKD) with respect to dipping status. METHODS: A total of 432 hypertensive patients with (n = 340) or without (n = 92) CKD who had ambulatory blood pressure monitoring recordings were included...
2016: Clinical and Experimental Hypertension: CHE
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
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