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Practice Guideline
, 187 (8), 459-63

Chronic Kidney Disease and Automatic Reporting of Estimated Glomerular Filtration Rate: Revised Recommendations

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  • PMID: 17937643
Practice Guideline

Chronic Kidney Disease and Automatic Reporting of Estimated Glomerular Filtration Rate: Revised Recommendations

Timothy H Mathew et al. Med J Aust.

Abstract

Since publication of the Australasian Creatinine Consensus Working Group's position statement in 2005, most Australasian laboratories now automatically report an estimated glomerular filtration rate (eGFR) (based on the Modification of Diet in Renal Disease [MDRD] formula) with results of serum creatinine tests in adults. Anecdotal evidence suggests that automatic reporting of eGFR helps to identify asymptomatic kidney dysfunction at an earlier stage and to develop rational and appropriate management plans. Changes to the measurement and calibration of serum creatinine assays and issues regarding implementation of eGFR in clinical practice led the Australasian Creatinine Consensus Working Group to reconvene in 2007. The recommendations contained here build on the original 2005 position statement and consolidate the role of eGFR in clinical practice. The Working Group recommends that the eGFR upper reporting limit be extended to 90 mL/min/1.73 m2, with eGFR values above this amount being reported as "> 90 mL/min/1.73 m2", rather than as a precise figure. The Working Group has concluded that it is currently premature to recommend age-related decision points for eGFR. However, it is appropriate to advise medical practitioners that, in people aged >/= 70 years, an eGFR in the range 45-59 mL/min/1.73 m2, if stable over time and unaccompanied by other evidence of kidney damage, may be interpreted as consistent with a typical eGFR for this age group and is unlikely to be associated with chronic kidney disease-related complications. Pending publication of validation studies, the Working Group recommends that Australasian laboratories continue to automatically report eGFR in Aboriginal and Torres Strait Islander peoples and other ethnic groups. The Working Group supports the use of eGFR to assist drug dosing decision making in general practice.

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