Tubular Dysfunction in Proliferative Lupus Nephritis
作者:
Evert J. ter Borg,
Paul E. de Jong,
Sytze S. Meijer,
Cees G.M. Kallenberg,
期刊:
American Journal of Nephrology
(Karger Available online 1991)
卷期:
Volume 11,
issue 1
页码: 16-22
ISSN:0250-8095
年代: 1991
DOI:10.1159/000168266
出版商: S. Karger AG
关键词: Proliferative lupus nephritis;Tubular function;Renal hemodynamics
数据来源: Karger
摘要:
We prospectively studied renal tubular function during 11 consecutive exacerbations of proliferative glomerulonephritis in 8 patients with systemic lupus erythematosus (SLE). We found a rise in the fractional excretion of β2-microglobulin (p ≤ 0.05) and dimercaptosuccinic acid (DMSA; p ≤ 0.02) during the exacerbations. These changes coincided with a fall in the glomerular filtration rate (p ≤ 0.02). Since fractional excretion of β2-micro-globulin and DMSA can be considered as markers for tubular function, their rise during exacerbation and their fall (p ≤ 0.01) to control values during remission indicate that tubular dysfunction frequently occurs during active proliferative glomerulonephritis in SLE and can be influenced by immunosuppressive treatment. As no correlation was found between the different tubular function studies and the activity index of tubulointerstitial abnormalities in the renal biopsy, it is suggested that tubular function studies are probably a more sensitive indicator of tubulointerstitial disease than this activ
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