CLINICAL STUDY: HEART FAILURE
Role of brain natriuretic peptide in risk stratification of patients with congestive heart failure
J.örg Koglin, MDa,*,
Sinan Pehlivanli, MDa,
Martin Schwaiblmair, MDa,
Michael Vogeser, MDb,
Peter Cremer, MDb and
Wolfgang vonScheidt, MDa
a Medizinische Klinik I, Universitätsklinikum Grosshadern, Munich, Germany
b Institut für Klinische Chemie, Universitätsklinikum Grosshadern, Munich, Germany
Manuscript received December 5, 2000;
revised manuscript received August 8, 2001,
accepted August 27, 2001.
* Reprint requests and correspondence: Dr. Jörg Koglin, Medizinische Klinik I, Klinikum Grosshadern, University of Munich, Marchioninistrasse 15, 81377 Munich, Germany. joerg.koglin{at}med1.med.uni-muenchen.de
OBJECTIVES: Using a prospective study design, we assessed the value of brain natriuretic peptide (BNP) to identify patients with heart failure who have an increased risk of deterioration of their functional status. Furthermore, we examined the relationship between BNP and various clinical characteristics incorporated into an established survival model used for risk stratification.
BACKGROUND: Prediction of the clinical course is a crucial part of the decision-making process about the adequate treatment strategy for patients with advanced congestive heart failure (CHF). Although laborious, multivariable indexes have been established for risk stratification, simple plasma BNP measurements may be as useful as prognostic indicators.
METHODS: In 78 patients referred to our heart failure clinic, plasma BNP levels were compared with the results of a multivariable prognostic model. To assess the prognostic power of BNP, the clinical course of this cohort was monitored for a median follow-up period of 398 days.
RESULTS: At study entry, plasma BNP and the heart failure survival score (HFSS) showed a significant correlation (r = 0.706). During follow-up, Kaplan-Meier estimates of freedom from clinical events differed significantly for patients above and below the 75th percentile concentrations of plasma BNP (p < 0.0001). Changes in plasma BNP were significantly related to changes in limitations of physical activity, as demonstrated by logistic regression analysis (chi-square statistic = 24.9, p < 0.0001). Proportional hazards analysis confirmed BNP as a powerful predictor of functional status deterioration (p < 0.0001). This prognostic information was as powerful as that derived from the multivariable HFSS.
CONCLUSIONS: Measurement of plasma BNP concentrations might provide a useful and cost-effective screening tool that helps reduce the need and frequency for more expensive cardiac tests.
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Abbreviations and Acronyms
| | BNP | | brain natriuretic peptide | | CHF | | congestive heart failure | | HFSS | | heart failure survival score | | LV | | left ventricular | | NYHA | | New York Heart Association | | UNOS | | United Network for Organ Sharing | | ·VO2max | | maximal oxygen consumption |
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A. Clerico and M. Emdin
Diagnostic Accuracy and Prognostic Relevance of the Measurement of Cardiac Natriuretic Peptides: A Review
Clin. Chem.,
January 1, 2004;
50(1):
33 - 50.
[Abstract]
[Full Text]
[PDF]
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T Goto, H Takase, T Toriyama, T Sugiura, K Sato, R Ueda, and Y Dohi
Circulating concentrations of cardiac proteins indicate the severity of congestive heart failure
Heart,
November 1, 2003;
89(11):
1303 - 1307.
[Abstract]
[Full Text]
[PDF]
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M.R Cowie, P Jourdain, A Maisel, U Dahlstrom, F Follath, R Isnard, A Luchner, T McDonagh, J Mair, M Nieminen, et al.
Clinical applications of B-type natriuretic peptide (BNP) testing
Eur. Heart J.,
October 1, 2003;
24(19):
1710 - 1718.
[Abstract]
[Full Text]
[PDF]
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R.S. Gardner, F. Ozalp, A.J. Murday, S.D. Robb, and T.A. McDonagh
N-terminal pro-brain natriuretic peptide: A new gold standard in predicting mortality in patients with advanced heart failure
Eur. Heart J.,
October 1, 2003;
24(19):
1735 - 1743.
[Abstract]
[Full Text]
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B. F. McBride and C. M. White
Levosimendan: Implications for Clinicians
J. Clin. Pharmacol.,
October 1, 2003;
43(10):
1071 - 1081.
[Abstract]
[Full Text]
[PDF]
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R. Cardarelli and T. G. Lumicao Jr
B-type Natriuretic Peptide: A Review of Its Diagnostic, Prognostic, and Therapeutic Monitoring Value in Heart Failure for Primary Care Physicians
J Am Board Fam Med,
July 1, 2003;
16(4):
327 - 333.
[Abstract]
[Full Text]
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B. Vrtovec, R. Delgado, A. Zewail, C. D. Thomas, B. M. Richartz, and B. Radovancevic
Prolonged QTc Interval and High B-Type Natriuretic Peptide Levels Together Predict Mortality in Patients With Advanced Heart Failure
Circulation,
April 8, 2003;
107(13):
1764 - 1769.
[Abstract]
[Full Text]
[PDF]
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T. Tsuruda, G. Boerrigter, B. K. Huntley, J. A. Noser, A. Cataliotti, L. C. Costello-Boerrigter, H. H. Chen, and J. C. Burnett Jr
Brain Natriuretic Peptide Is Produced in Cardiac Fibroblasts and Induces Matrix Metalloproteinases
Circ. Res.,
December 13, 2002;
91(12):
1127 - 1134.
[Abstract]
[Full Text]
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R. Latini, S. Masson, I. Anand, D. Judd, A. P. Maggioni, Y.-T. Chiang, M. Bevilacqua, M. Salio, P. Cardano, P. H.J.M. Dunselman, et al.
Effects of Valsartan on Circulating Brain Natriuretic Peptide and Norepinephrine in Symptomatic Chronic Heart Failure: The Valsartan Heart Failure Trial (Val-HeFT)
Circulation,
November 5, 2002;
106(19):
2454 - 2458.
[Abstract]
[Full Text]
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A. Maisel
B-Type Natriuretic Peptide Levels: Diagnostic and Prognostic in Congestive Heart Failure: What's Next?
Circulation,
May 21, 2002;
105(20):
2328 - 2331.
[Full Text]
[PDF]
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