American Journal of Kidney Diseases

Hypertension and Symptomatic Hypokalemia in a Patient With Simultaneous Unilateral Stenoses of Intrarenal Arteries and Mesangioproliferative Glomerulonephritis

Published:December 12, 2011DOI:
      We present the case of a young patient with hypertension and unprovoked symptomatic hypokalemia. His workup uncovered secondary aldosteronism, moderate proteinuria, and, quite unusually, concurrent chronic hepatitis B. Detailed investigations, including renal angiography, renal vein sampling, and kidney biopsy, showed unilateral renin hypersecretion due to intrarenal arterial stenoses and mesangioproliferative glomerulonephritis, presumed to be secondary to hepatitis B infection. Targeted pharmacotherapy reversed all clinical manifestations, normalizing blood pressure and serum potassium level and achieving full remission of proteinuria and loss of hepatitis B surface antigen (HBsAg) and hepatitis B e antigen (HBeAg), and a dramatic decrease in viral load.

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