Staging of chronic kidney disease: Time for a course correction

Carolyn Ann Bauer, Michal L. Melamed, Thomas H. Hostetter

Research output: Contribution to journalArticle

98 Citations (Scopus)

Abstract

Awareness of chronic kidney disease (CKD) has increased in part because of the definitions and treatment guidelines set out by Kidney Disease Outcomes Quality Initiative (KDOQI); however, the staging system set forth by these guidelines has led to several problems and unforeseen consequences. Stages 1 and 2 CKD are difficult to determine using the standard Modification of Diet in Renal Disease (MDRD) estimation of GFR, and their clinical significance in the absence of other risk factors is unclear. Just because microalbuminuria in people without diabetes is a cardiovascular risk factor does not make it kidney disease. Most patients who receive a diagnosis of stage 3 CKD (GFR between 30 and 59 ml/min) are elderly people, and the vast majority of these patients will die before they reach ESRD. The staging system needs to be modified to reflect the severity and complications of CKD. It is suggested that stages 1 and 2 be eliminated and stages 3, 4, and 5, be simply termed moderate impairment, severe impairment, and kidney failure, respectively. In addition, age should be a modifying factor, especially in moderate kidney impairment. These changes would allow identification and treatment of clinically relevant disease and avoidance of what can seem exaggerated prevalence estimates.

Original languageEnglish (US)
Pages (from-to)844-846
Number of pages3
JournalJournal of the American Society of Nephrology
Volume19
Issue number5
DOIs
StatePublished - May 2008

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Chronic Renal Insufficiency
Kidney Diseases
Guidelines
Diet Therapy
Kidney
Chronic Kidney Failure
Renal Insufficiency
Therapeutics

ASJC Scopus subject areas

  • Nephrology
  • Medicine(all)

Cite this

Staging of chronic kidney disease : Time for a course correction. / Bauer, Carolyn Ann; Melamed, Michal L.; Hostetter, Thomas H.

In: Journal of the American Society of Nephrology, Vol. 19, No. 5, 05.2008, p. 844-846.

Research output: Contribution to journalArticle

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