Is anyone confident enough to use the Modified MDRD calculation (or one the many others) as part of an adult electrolyte profile (Na, K, urea, creatinine) to give a better indication of GFR?
The proposed use of the NKF K/DOQI classification of stages of chronic kidney disease, using calculated GFR, seems to gaining momentum.
A case being put forward locally is: as creatinine is no good for detecting early kidney failure, and the "evidence" shows that calculated GFR is as good as creatinine clearance, and physicians would rather GFR than serum creatinine, then why not report calculated GFR with all its associated errors?
regards
Martin Myers
<http://www.kidney.org/professionals/doqi/kdoqi/p5_lab_g4.htm>
<http://bmj.bmjjournals.com/cgi/reprint/325/7355/85>
http://bmj.bmjjournals.com/cgi/reprint/329/7471/912
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