alexa Prognostic value of combining high sensitive troponin T and N-terminal pro B-type natriuretic peptide in chest pain patients with no persistent ST-elevation
Cardiology

Cardiology

Angiology: Open Access

Author(s): Melki D

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The aim was to examine whether high sensitive troponin T (Hs-TnT) is better than conventional troponins to risk stratify chest pain patients, in particular when applying early serial measurements or combining with natriuretic peptides. Samples were obtained on admission and after 2 h in 231 chest pain patients who were followed for a median time of 22 months. Troponin levels were determined by Hs-TnT, conventional TnT (Roche Diagnostics) and troponin I (Beckman Coulter) assays. N-terminal pro B-type natriuretic peptide (NT-proBNP) was determined by the assay from Roche Diagnostics. The combined endpoint was death, MI or heart failure. When predefined decision limits were used, Hs-TnT (14 ng/L), TnT (0.04 μg/L), and TnI (0.06 μg/L) identified 63%, 46%, and 52% of the patients with positive troponin. In those with negative TnT, Hs-TnT identified 36 patients of whom 19% had subsequent events. In those with negative TnI, Hs-TnT identified 26 patients of whom 23% had subsequent events. After adjusting for differences in baseline characteristics, both Hs-TnT and NT-proBNP were independently associated with short-term (3 months) risk of combined endpoint and long-term risk of death or MI. By combining Hs-TnT and NT-proBNP patients could be divided into low-, intermediate- and high-risk groups.

This article was published in Clin Chim Acta and referenced in Angiology: Open Access

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