Yu Tian, Ying Chen, Bao Deng, Gang Liu, Zhen-Guo Ji, Qing-Zhen Zhao, Yu-Zhi Zhen, Yan-Qiu Gao, Li Tian, Le Wang, Li-Shuang Ji, Guo-Ping Ma, Kun-Shen Liu, Chao Liu. Serum uric acid as an index of impaired renal function in congestive heart failure[J]. Journal of Geriatric Cardiology, 2012, 9(2): 137-142. DOI: 10.3724/SP.J.1263.2011.11281
Citation: Yu Tian, Ying Chen, Bao Deng, Gang Liu, Zhen-Guo Ji, Qing-Zhen Zhao, Yu-Zhi Zhen, Yan-Qiu Gao, Li Tian, Le Wang, Li-Shuang Ji, Guo-Ping Ma, Kun-Shen Liu, Chao Liu. Serum uric acid as an index of impaired renal function in congestive heart failure[J]. Journal of Geriatric Cardiology, 2012, 9(2): 137-142. DOI: 10.3724/SP.J.1263.2011.11281

Serum uric acid as an index of impaired renal function in congestive heart failure

  • Background Hyperuricemia is frequently present in patients with heart failure. Many pathological conditions, such as tissue ischemia, renal function impairment, cardiac function impairment, metabolic syndrome, and inflammatory status, may impact uric acid (UA) metabolism. This study was to assess their potential relations to UA metabolism in heart failure. Methods We retrospectively assessed clinical charac?teristics, echocardiological, renal, metabolic and inflammatory variables selected on the basis of previous evidence of their involvement in cardiovascular diseases and UA metabolism in a large cohort of randomly selected adults with congestive heart failure (n = 553). By clustering of indices, those variables were explored using factor analysis. Results In factor analysis, serum uric acid (SUA) formed part of a principal cluster of renal functional variables which included serum creatinine (SCr) and blood urea nitrogen (BUN). Univariate correlation coefficients between variables of patients with congestive heart failure showed that the strongest correlations for SUA were with BUN (r = 0.48, P r = 0.47, P Conclusions There was an inverse relationship between SUA levels and measures of renal function in patients with congestive heart failure. The strong correlation between SUA and SCr and BUN levels suggests that elevated SUA concentrations reflect an impairment of renal function in heart failure.
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