How do tubulointerstitial renal diseases develop in cases of chronic kidney disease (CKD)?

Updated: Oct 26, 2020
  • Author: Pradeep Arora, MD; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Tubulointerstitial renal diseases represent the minority of cases of CKD. However, it is important to note that such diseases often cause fluid loss rather than overload. Thus, despite moderate or severe reductions in GFR, tubulointerstitial renal diseases may manifest first as polyuria and volume depletion, with inability to concentrate the urine. These symptoms may be subtle and require close attention to be recognized. Volume overload occurs only when GFR reduction becomes very severe.


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