HYPOURICAEMIA WITH ACUTE VIRAL HEPATITIS |
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Authors: | HISATOME, I. KOTAKE, H. OGINO, K. ISHIKO, R. HASEGAWA, J. MASHIBA, H. SATO, R. OKUMURA, H. |
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Affiliation: | *1st Department of Internal Medicine, Tottori University School of Medicine Nishimachi 36-1, Yonago, 683, Japan
1st Department of Internal Medicine, Nippon Medical School Bunkyo-Ku, Tokyo, 113, Japan |
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Abstract: | We report five female cases of hypouricaemia accompanied byacute viral hepatitis (serum urate 101 ± 12 µmol/1,mean ± SD). Their urate clearance was increased to 14.2±3.4 ml/min during hyperbilirubinaemia but 24-h urateexcretion was not elevated (2.09 ± 0.64 mmol/24 h). Noother renal tubular abnormalities were detected. Comparing uratemetabolism with that of four cases of inborn renal hypouricaemia,the degree of uricosuria was lower. One patient showed elevationof serum and urinary oxypurine, which normalized with returnof a normal blood uric acid level. In all cases, the serum uratereturned to normal after improvement of liver function. We suggestthat renal uricosuria due to an isolated renal defect of uratetransport might contribute to hypouricaemia in these cases butthat inhibition of xanthine oxidase activity might also contributeto this phenomenon. KEY WORDS: Liver disease, Purine synthesisPurine synthesis, Purine synthesis, Kidney, Tubular function, Xanthine oxidase |
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