Biomarkers Beyond the Natriuretic Peptides for Chronic Heart Failure: Galectin-3 and Soluble ST2.
B-type natriuretic peptide (BNP) and NT-proBNP are widely used plasma biomarkers for the diagnosis of acute decompensated heart failure and prognosis for future cardiac disease. The clinical performance of these tests for management of chronic heart failure is somewhat limited by the markers' high biological variation. Biomarkers such as galectin-3 and soluble ST2 that reflect ongoing remodeling via cardiac fibrosis of the heart may provide complementary information to the natriuretic peptides in the management of chronic heart failure with regards to risk stratification for future adverse cardiac events (death, myocardial infarction, and need for heart transplantation). However, implementation of these biomarkers into routine clinical practice requires documentation that these tests will enable therapeutic decisions that can be made to improve clinical outcomes, and the availability of commercial assays. This report will discuss the need for novel heart failure biomarkers, ideal characteristics of assays, and review and compare the clinical performance of assays for galectin-3 and sST2 for chronic heart failure disease management.
Department of Laboratory Medicine, University of California , San Francisco.
Alan H B
AH
Wu
B-type natriuretic peptides; ST2; adrenomedullin; galectin-3
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