| An association between uric acid levels and renal arteriolopathy in chronic kidney disease: a biopsy-based study. | |
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MedLine Citation:
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PMID: 22951520 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Uric acid (UA) can induce renal arteriolopathy in animal models. Whether there is an association between UA and renal arteriolopathy in patients with chronic kidney disease (CKD) is unknown. Here, we examined the cross-sectional association of serum UA levels with renal arteriolar hyalinosis and wall thickening. Arteriolar parameters were assessed by semiquantitative grading (max: grade 3) of arterioles in 167 patients with CKD (mean age, 42.4 years; 86 men and 81 women) who underwent renal biopsy. The mean serum UA level was 6.4 mg dl(-1). We observed hyalinosis in 94 patients (56%) and wall thickening in 119 patients (71%). As the UA level tertile increased, the proportion of higher-grade (grade 2 and 3) hyalinosis and wall thickening increased (hyalinosis, P<0.0001 and wall thickening, P=0.0002, for trend). Multiple logistic analysis adjusted for age 40 years, sex, hypertension status, diabetes mellitus status and estimated glomerular filtration rate <60 ml min(-1) per 1.73 m(2) showed that hyperuricemia (UA 7 mg dl(-1)) was significantly associated with a higher risk of hyalinosis (adjusted odds ratio: 3.13; 95% confidence interval: 1.23-7.94; P=0.02) and higher-grade (equal to or higher than the mean value) wall thickening (adjusted odds ratio: 2.66; 95% confidence interval: 1.11-6.38; P=0.03). Hence, these results suggest that hyperuricemia may be related to renal arteriolar damage in patients with CKD.Hypertension Research advance online publication, 6 September 2012; doi:10.1038/hr.2012.135. |
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Authors:
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Kentaro Kohagura; Masako Kochi; Tsuyoshi Miyagi; Takanori Kinjyo; Yuichi Maehara; Kazufumi Nagahama; Atsushi Sakima; Kunitoshi Iseki; Yusuke Ohya |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-9-06 |
Journal Detail:
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Title: Hypertension research : official journal of the Japanese Society of Hypertension Volume: - ISSN: 1348-4214 ISO Abbreviation: Hypertens. Res. Publication Date: 2012 Sep |
Date Detail:
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Created Date: 2012-9-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9307690 Medline TA: Hypertens Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Cardiovascular Medicine, Nephrology and Neurology, University of the Ryukyus School of Medicine, Okinawa, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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