Biomarkers as a guide to therapy in heart failure patients

There has been much interest in the biomarker known as N-terminal brain natriuretic peptide (BNP) as a precise guide for the diagnosis, prognosis and treatment of heart failure. Earlier studies showed that this peptide released by the heart muscle in response to stress lowers blood pressure and has diuretic properties, with levels increased in patients with heart failure. Hence the interest in this peptide as a marker for the exclusion or presence and severity of heart failure...

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