© 2004 European Society of Cardiology
NT-proBNP in heart failure: therapy decisions and monitoring
Christchurch Cardioendocrine Research Group, Department of Medicine, Christchurch School of Medicine and Health Sciences P.O. Box 4345, Christchurch, New Zealand
* Corresponding author. Tel.: +64-3-364-1116; Fax: +64-3-364-1115 E-mail address: mark.richards{at}cdhb.govt.nz
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Abstract |
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With increasing cardiac dysfunction, a complex neurohormonal response results in increasing circulating levels of an array of plasma hormones. Increments in plasma levels of atrial natriuretic peptide (ANP) and B-type natriuretic peptide (BNP) and their amino-terminal congeners are more closely related to cardiac structure and function and to cardiovascular prognosis than changes in other plasma neurohormones. Reports suggest that changes in plasma BNP levels in the course of treatment of acutely decompensated heart failure provide a more powerful prognostic indicator of the likelihood of survival or recurrent decompensation than symptomatic assessment. This observation requires a randomised controlled trial in which changes in peptide levels determine aggression and duration of in-patient therapy in order to establish whether this indicator can improve results from management of acute in-patient heart failure. Plasma BNP or NT-proBNP is a powerful independent predictor of mortality and morbidity in long-term follow-up of heart failure cohorts. In addition, it appears likely to be a good predictor of beneficial response to the addition of beta blockade to anti-heart failure pharmacotherapy. Finally, adjustment of therapy for heart failure according to serial measurements of NT-proBNP promises to improve outcomes in comparison with adjusting therapy according to unassisted clinical acumen.
Key Words: Heart failure • Neurohormones • B-type natriuretic peptide • Amino-terminal proB-type natriuretic peptide • Pharmacotherapy • Monitoring
Received October 22, 2003; Accepted January 12, 2004
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