N-terminal pro-atrial natriuretic peptide as a biochemical marker of long-term interventional success after radiofrequency catheter ablation of paroxysmal supraventricular tachyarrhythmias

Clinical Chemistry and Laboratory Medicine : CCLM
Martina BrueckmannKarl K Haase

Abstract

Radiofrequency (RF) catheter ablation has been shown to be highly effective in the treatment of supraventricular tachycardias. Atrial natriuretic peptide (ANP) and brain natriuretic peptide (B-type natriuretic peptide; BNP) are secreted by the heart mainly in response to myocardial stretch induced by volume load. The aim of the present study was to determine the time course of the N-terminal prohormone forms of ANP (NT-proANP) and BNP (NT-proBNP) in patients undergoing radiofrequency (RF) catheter ablation for paroxysmal supraventricular tachycardias. Serial blood samples were taken from 13 patients with symptomatic paroxysmal supraventricular tachycardias undergoing RF ablation and from 13 age- and gender-matched healthy controls. Blood was taken before ablation (day 0, baseline), and at day one and day 120 after ablation. Levels of NT-proANP were significantly higher before RF ablation (4862+/-726 pmol/l) as compared to day one (2021+/-220 pmol/l) and day 120 after RF ablation (2470+/-349 pmol/l) (with p<0.01 on day one and p<0.05 on day 120; n=13). The size of the left atrium decreased from 41.0+/-5.5 mm before ablation to 34.9+/-5.9 mm (n=13; p<0.05) on day 120 as measured by M-mode echocardiography. Levels of NT-proBNP sho...Continue Reading

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Citations

Jun 10, 2011·Orvosi hetilap·Gábor SzabóBálint Nagy
Jan 24, 2016·American Journal of Physiology. Heart and Circulatory Physiology·Jen-Yuan KuoHung-I Yeh
Apr 1, 2019·The Thoracic and Cardiovascular Surgeon·Philippe GrieshaberAndreas Böning

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