Document Detail

Refined characterization of the association between kidney function and mortality in patients undergoing cardiac catheterization.
MedLine Citation:
PMID:  16574688     Owner:  NLM     Status:  MEDLINE    
AIMS: Chronic kidney disease is associated with an increased risk of cardiovascular morbidity and mortality. The level of kidney function at which this risk increases remains to be determined. We sought to characterize the relationship between kidney function and survival among patients with cardiovascular disease (CVD) undergoing cardiac catheterization using estimated glomerular filtration rate (eGFR) and graded refinements in the classification of kidney function. METHODS AND RESULTS: We included 8521 of 11 778 (72.3%) consecutive patients undergoing cardiac catheterization between 1 January 1999 and 31 December 2001 from the Alberta Provincial Project for Outcome Assessment in Coronary Heart Disease database. eGFR as a categorical and continuous variable was used to define kidney function. The outcome was all-cause mortality. During a median (interquartile range) follow-up of 2.2 (1.5-3.1) years, and after adjustment for clinical risk factors and severity of coronary disease, there was a steady incremental decrease in survival post-catheterization corresponding to a decline in eGFR categories of 10 mL/min/1.73 m(2). When eGFR was modelled as a continuous variable, there was an increased risk of death noted at an eGFR below 79 mL/min/1.73 m(2). Below an eGFR of 70 mL/min/1.73 m,(2), there was an approximate 17.2% relative increase in risk for every 10 unit decrease in eGFR (95% CI 8.4-26.6%). CONCLUSION: The risk of death post-cardiac catheterization is elevated when eGFR is < or =79 mL/min/1.73 m(2). These findings provide considerable refinement in our understanding of eGFR as a powerful prognostic marker in patients with CVD undergoing cardiac catheterization.
Brenda R Hemmelgarn; Danielle A Southern; Karin H Humphries; Bruce F Culleton; Merril L Knudtson; William A Ghali;
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-03-30
Journal Detail:
Title:  European heart journal     Volume:  27     ISSN:  0195-668X     ISO Abbreviation:  Eur. Heart J.     Publication Date:  2006 May 
Date Detail:
Created Date:  2006-05-09     Completed Date:  2007-02-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8006263     Medline TA:  Eur Heart J     Country:  England    
Other Details:
Languages:  eng     Pagination:  1191-7     Citation Subset:  IM    
Department of Medicine, University of Calgary, Calgary, Alberta, Canada.
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MeSH Terms
Chronic Disease
Coronary Disease / complications,  mortality,  therapy*
Glomerular Filtration Rate / physiology
Heart Catheterization
Kidney Diseases / complications,  mortality,  physiopathology*
Middle Aged
Risk Factors
Survival Analysis

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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