Estimating CCr
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Estimating CCr
• C = (U x V)/P
• Or, P x C = U x V
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Reference
• Jelliffe R: Estimation of Creatinine Clearance in Patients with Unstable Renal Function, without a Urine Specimen. Am. J. Nephrology, 22: 320-324, 2002.
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Estimated vs Measured CCr
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Maire et al: CCr vs J + JMesurée-Jelliffe
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Cl mesurée (mL/min.1,73m2)
Cl c
al J
ellif
fe (
mL
/min
.1,7
3m2)
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Maire et al: CCr vs MDRD with prot/2
Mesurée-Levey avec "protéine/2"
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Cl mesurée (mL/min.1,73m2)
Cl c
al M
DR
D (
mL
/min
.1,7
3m2)
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Maire et al: CCr vs MDRD with urea
Mesurée-Levey avec urée
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Cl mesurée (mL/min.1,73m2)
Cl c
al L
evey
ave
c u
rée
(mL
/min
.1,7
3m2)
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Maire et al: CCr vs MDRD without urea
Mesurée-Levey sans urée
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Cl mesurée (mL/min.1,73m2)
Cl c
al L
evey
san
s u
rée
(m
L/m
in.1
,73m
2)
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Maire et al:CCr vs Cockroft-Gault
Mesurée-Cockroft
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Cl mesurée (mL/min.1,73m2)
Cl c
al C
okr
oft
(m
l/min
.1,7
3m2)