Document Detail

Nomogram for estimating creatinine clearance.
MedLine Citation:
PMID:  6617044     Owner:  NLM     Status:  MEDLINE    
Several methods have been published for estimating creatinine clearance from serum creatinine concentrations. Such estimates of creatinine clearance are widely used for dosage adjustments of drugs which are primarily eliminated through the kidneys in patients with reduced renal function. Most of these methods involve the use of equations, requiring a few steps of calculations. A simple and easy-to-use nomogram is presented for estimating creatinine clearance from serum creatinine concentration, plus the age, sex, and bodyweight of the individual patient. This nomogram is based on the linear relationship between creatinine clearance and the reciprocal value of the serum creatinine concentration, where the slope of this relationship is determined by the rate of creatinine production. The rate of creatinine production, however, is related to age, sex, and bodyweight. These physical characteristics are therefore used to scale the slopes of the relationships between creatinine clearance and serum creatinine concentration. The validity of the nomogram was tested in 50 consecutive hospitalised patients for which creatinine clearance was measured. There was an excellent correlation (r = 0.903) between predicted and observed creatinine clearance values.
T D Bjornsson; D M Cocchetto; F X McGowan; C P Verghese; F Sedor
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical pharmacokinetics     Volume:  8     ISSN:  0312-5963     ISO Abbreviation:  Clin Pharmacokinet     Publication Date:    1983 Jul-Aug
Date Detail:
Created Date:  1983-11-23     Completed Date:  1983-11-23     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7606849     Medline TA:  Clin Pharmacokinet     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  365-9     Citation Subset:  IM    
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MeSH Terms
Creatinine / blood,  metabolism*
Metabolic Clearance Rate
Models, Biological
Reference Values
Sex Factors
Reg. No./Substance:

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