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Rev Esp Cardiol. 2006 Oct;59(10):1075-8.

[Stability of NT-ProBNP in patients with systolic heart failure].

[Article in Spanish]

Author information

  • 1Servicio de Cardiología, Hospital Clínico Universitario Virgen de la Victoria, Málaga, Spain. jimeneznavarro@secardiologia.es

Abstract

Natriuretic peptides are extremely useful in the diagnosis and prognosis of patients with heart failure. However, it is not clear whether their values are stable. We carried out a prospective study of 30 consecutive ambulatory patients (mean age, 62.6 [12.2] years) with stable systolic heart failure, as determined by the 6-minute walk test, who were in New York Heart Association class II or III and who had a left ventricular ejection fraction <30% (mean ejection fraction, 24.2% [6.68%]). At baseline, the mean N-terminal pro-brain natriuretic peptide (NT-proBNP) level and the mean distance walked in 6 minutes were 2237.3 pg/mL and 348.26 m, respectively. At 3-month follow-up, the corresponding values were 2096.2 pg/mL and 372.05 m, respectively. No significant difference was observed in NT-proBNP level or in distance walked in 6 minutes between baseline and 3 months (P=.8). Overall, there was a good correlation (r=0.94; P< .001) between the plasma NT-proBNP level at baseline and at 3 months in patients with stable chronic heart failure due to systolic dysfunction in New York Heart Association class II or III.

PMID:
17125719
[PubMed - indexed for MEDLINE]
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