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- Title
Significance of the fractional excretion of urea in the differential diagnosis of acute renal failure.
- Authors
Carvounis, Christos P; Nisar, Sabeeha; Guro-Razuman, Samerah
- Abstract
Fractional excretion of sodium (FENa) has been used in the diagnosis of acute renal failure (ARF) to distinguish between the two main causes of ARF, prerenal state and acute tubular necrosis (ATN). However, many patients with prerenal disorders receive diuretics, which decrease sodium reabsorption and thus increase FENa. In contrast, the fractional excretion of urea nitrogen (FEUN) is primarily dependent on passive forces and is therefore less influenced by diuretic therapy.
- Publication
Kidney international, 2002, Vol 62, Issue 6, p2223
- ISSN
0085-2538
- Publication type
Journal Article
- DOI
10.1046/j.1523-1755.2002.00683.x