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Abstract
Patients with gout often have concurrent chronic kidney disease (CKD); the relationship between the two conditions is still unclear. Previous studies have identified an association between low level of urinary uromodulin (UMOD) and CKD within the setting of diabetes and lupus. The aim of this study was to examine the association between urinary UMOD excretion and CKD in patients with gout. A total of 53 Taiwanese gout patients with stable disease activity were enrolled. Patients were divided into a CKD group (n = 25) and a non-CKD group (n = 28). Using Pearson correlation analysis, urinary UMOD excretion was positively correlated with estimated glomerular filtration rate (Ha: ρ > 0, p = 0.004). Using multivariate analysis, patients with CKD and gout were associated with lower urinary UMOD excretion than those who have gout alone [odds ratio (95% CI): 0.826 (0.694–0.985), p < 0.001]. Patients with CKD and gout were also more likely to be older (p < 0.001) and have higher uric acid levels (p < 0.001). This study implicates that UMOD might play a role in the relationship between gout and CKD. Further studies with animal models of gout and CKD would be recommended.
ACKNOWLEDGMENTS
We thank our patients for contributing samples for this study. The technical assistance from Miss Ming-Chi Yang is deeply appreciated. This study was supported by Chang Gung Memorial Hospital CMRP grant number CMRPG850521.
Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.