B-type Natriuretic Peptide Is Not a Marker of Ischemia During Dobutamine Stress Echocardiography

Guillermo Salinas, Iyad N. Daher, Anthony O. Okorodudu, Masood Ahmad

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Elevated levels of B-type natriuretic peptide (BNP) have been reported in association with exercise-induced ischemia. Data regarding BNP as a marker of ischemia during dobutamine stress echocardiography (DSE) are not conclusive. This study was designed to evaluate changes in BNP during DSE. A total of 74 patients referred to rule out ischemia by DSE were enrolled in the study. All patients had DSE using standard protocol. Of 74 patients enrolled, 6 were excluded because of nondiagnostic tests. Of the remaining 68 patients, 15 had positive DSE and 53 were negative for ischemia. The BNP levels (mean ± SD) in the patients without ischemia were 42.5 pg/mL (±SD 47.6) at baseline and 41.9 pg/mL (±SD 48.9) at peak, and the measurements in the patients with ischemia were 90 pg/mL (±SD 171.7) at baseline and 88 pg/mL (±SD 149.2) at peak. BNP levels do not change during DSE with or without evidence of ischemia.

Original languageEnglish (US)
Pages (from-to)23-26
Number of pages4
JournalJournal of the American Society of Echocardiography
Volume20
Issue number1
DOIs
StatePublished - Jan 1 2007

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

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