• American heart journal · Oct 2004

    Clinical Trial

    Serum B-type natriuretic peptide levels on admission predict not only short-term death but also angiographic success of procedure in patients with acute ST-elevation myocardial infarction treated with primary angioplasty.

    • Marcin Grabowski, Krzysztof J Filipiak, Grzegorz Karpinski, Dominik Wretowski, Adam Rdzanek, Zenon Huczek, Grzegorz J Horszczaruk, Janusz Kochman, Robert Rudowski, and Grzegorz Opolski.
    • First Department of Cardiology, Medical University of Warsaw, Warsaw, Poland. marcin.grabowski@amwaw.edu.pl
    • Am. Heart J. 2004 Oct 1; 148 (4): 655-62.

    BackgroundB-type natriuretic peptide (BNP) levels are predictive of short-term death in patients with acute coronary syndromes. Few data are available for BNP levels obtained on admission in patients with acute ST-elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (PCI).MethodsBlood samples for BNP estimation, obtained on admission in 126 consecutive patients (mean age, 58.8 +/- 10.7 years) with STEMI, were measured at the bedside by using a simple point-of-care test in a 15-minute period before PCI. Follow-up up to 42 days was performed.ResultsA baseline BNP value of 331 pg/mL had a sensitivity of 87.9% and a specificity of 90% for predicting death in a follow-up study. There was no difference in subgroups by median BNP (100 pg/mL) in Thrombolysis In Myocardial Infarction (TIMI) flow grade 3 before PCI, although higher BNP levels were observed among patients with TIMI <3 after PCI than among those with TIMI 3 (356.7 +/- 350.8 vs 144.9 +/- 191.2 pg/mL; P <.0001). In multivariate logistic regression analysis, admission BNP was the independent predictor for the following: death (odds ratio [OR], 16.3; 95% confidence interval [CI], 1.4 to 186.7; P =.03), TIMI grade <3 after PCI (OR, 3.4; 95% CI, 1.2 to 9.6; P =.02), and the no-reflow phenomenon (OR, 6.2; 95% CI, 1.7 to 23; P =.007) after adjusting for other variables.ConclusionsBNP levels obtained on admission are a powerful, independent predictor of short-term death and angiographic success after PCI in patients with STEMI. The no-reflow phenomenon may be predicted in STEMI on the basis of high serum BNP values on admission.

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