Abstract

Nt-proBNP have emerged as useful biomarker for the diagnosis and prognostic of heart failure but also recently in acute coronary syndrome. Myocardial ischemia is probably an important stimulus for Nt-proBNP release. Transient myocardial ischemia is inducing by balloon inflation during percutaneous coronary intervention (PCI). The authors propose to determine the Nt-proBNP secretion after uncomplicated coronary intervention in patients with preserved cardiac function. Ninety patients were enrolled in this study. Plasma Nt-proBNP was increased significantly from 135.5 to 157.8 pg/ml and 202.5 pg/ml at 8 and 24 hours following PCI, respectively. History of myocardial infarction and complex lesions were the most powerful predictors of higher Nt-proBNP peak concentration. Prognostic value must be evaluated in larger studies.

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