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Editorial
. 2022 Jun;17(6):777-778.
doi: 10.2215/CJN.04750422. Epub 2022 May 25.

Fractional Excretion of Sodium (FENa): An Imperfect Tool for a Flawed Question

Affiliations
Editorial

Fractional Excretion of Sodium (FENa): An Imperfect Tool for a Flawed Question

Harish Seethapathy et al. Clin J Am Soc Nephrol. 2022 Jun.

Erratum in

No abstract available

Keywords: AKI; AT N; FENa; prerenal azotemia.

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References

    1. Zarich S, Fang LS, Diamond JR: Fractional excretion of sodium. Exceptions to its diagnostic value. Arch Intern Med 145: 108–112, 1985 - PubMed
    1. Bhargava S, Jain A, Gupta V: Fractional excretion of sodium--A simple test for the differential diagnosis of acute renal failure. Clin Nephrol 58: 79–80, 2002 - PubMed
    1. Saha H, Mustonen J, Helin H, Pasternack A: Limited value of the fractional excretion of sodium test in the diagnosis of acute renal failure. Nephrol Dial Transplant 2: 79–82, 1987 - PubMed
    1. Abdelhafez M, Nayfeh T, Atieh A, AbuShamma O, Babaa B, Baniowda M, Hrizat A, Hasan B, Hassett L, Hamadah A, Gharaibeh K: Diagnostic performance of fractional excretion of sodium for the differential diagnosis of acute kidney injury: A systematic review and meta-analysis. Clin J Am Soc Nephrol 17: 785–797, 2022 - PMC - PubMed
    1. Corwin HL, Schreiber MJ, Fang LS: Low fractional excretion of sodium. Occurrence with hemoglobinuric- and myoglobinuric-induced acute renal failure. Arch Intern Med 144: 981–982, 1984 - PubMed