Abstract:
PURPOSE:Chronic kidney disease is a major public health concern. Serum uric acid (SUA) at high levels was oxidative stress agents, and total bilirubin (T-BiL) at mildly increased levels was potent antioxidants, but whether SUA and T-BiL produce an additive interaction for the risk of renal dysfunction remains unclear. METHODS:The subjects comprised 567 men aged 71 ± 8 (mean ± standard deviation) years and 853 women aged 70 ± 8 years from a rural village. We examined the relationship between SUA and T-BiL, and renal function was evaluated by estimated glomerular filtration rate (eGFR) using the Modification of Diet in Renal Disease Study Group equation. RESULTS:Stepwise multiple regression analysis using eGFR as an objective variable, adjusted for risk factors as explanatory variables, showed that SUA (β = -0.358, p < 0.001) as well as age (β = -0.534, p < 0.001), drinking status (β = 0.119, p < 0.001), and the presence of antihypertensive medication (β = -0.058, p = 0.005) were significantly and independently associated with eGFR, but T-BiL was not associated with eGFR. While in the group with the highest tertile of SUA, T-BiL (β = 0.081, p = 0.032) was significantly and independently associated with eGFR, and in the group with the lowest to middle tertile of SUA, T-BiL was not associated with eGFR. In addition, interaction between SUA and T-BiL (F = 8.512, p = 0.004) as well as age, drinking status, the presence of antihypertensive medication, SUA, and T-BiL was a significant and independent determinant for eGFR. CONCLUSIONS:Our data demonstrated that low T-BiL could be important as a potential risk factor for renal dysfunction in those with high SUA.
journal_name
Int Urol Nephroljournal_title
International urology and nephrologyauthors
Kawamoto R,Ninomiya D,Senzaki K,Kasai Y,Kusunoki T,Ohtsuka N,Kumagi Tdoi
10.1007/s11255-017-1633-8subject
Has Abstractpub_date
2017-08-01 00:00:00pages
1439-1446issue
8eissn
0301-1623issn
1573-2584pii
10.1007/s11255-017-1633-8journal_volume
49pub_type
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