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Eur Heart J. 2007 Dec;28(24):3027-33. Epub 2007 Oct 29.

Renal dysfunction, as measured by the modification of diet in renal disease equations, and outcome in patients with advanced heart failure.

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1
Department of Cardiology, Royal Infirmary, Alexandra Parade, Glasgow, UK. rsgardner@doctors.org.uk

Abstract

AIMS:

This study evaluates the prognostic utility of renal dysfunction estimated by the recently validated modification of diet in renal disease (MDRD) equations and compares it with the currently most promising predictor of prognosis in patients with advanced heart failure.

METHODS AND RESULTS:

We prospectively studied 182 consecutive patients with advanced chronic heart failure (CHF) referred for consideration of cardiac transplantation, with a median follow-up of 642 days. Glomerular filtration rate (GFR) was estimated using the MDRD equations and plasma taken for NT-proBNP analysis. The primary endpoint of all-cause mortality was reached in 40 patients (13.2% crude 1-year mortality), and the combined secondary endpoint of all-cause mortality or urgent CTx was reached in 44 patients. The mean GFR estimated by MDRD-1 was 58 mL/min/1.73 m(2). The median NT-proBNP concentration was 1505 (517-4014) pg/mL. Although GFR estimated by MDRD-1 was a univariate marker of all-cause mortality, the only predictor of either endpoint independent of other variables was an NT-proBNP concentration above the median.

CONCLUSION:

NT-proBNP appears superior to GFR estimated by MDRD in patients with advanced CHF. Moreover, NT-proBNP was able to identify patients with a poor prognosis whose GFR was already low.

PMID:
17967819
DOI:
10.1093/eurheartj/ehm480
[Indexed for MEDLINE]
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