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Date, T. et al.

Date, Yamane, Inada, Matsuo, Miyanaga, Sugimoto, Shibayama, Taniguchi, Mochizuki,

Plasma brain natriuretic peptide concentrations in patients undergoing pulmonary vein isolation.

OBJECTIVE: To examine whether raised plasma brain natriuretic peptide (BNP) concentrations decrease after successful pulmonary vein isolation (PVI) in patients with atrial fibrillation (AF). METHODS: 53 patients (mean age 53 years) with drug-refractory, paroxysmal lone AF underwent segmental ostial PVI. Blood samples were collected before and after PVI. BNP concentrations were determined by immunoassays. RESULTS: Median plasma BNP concentrations were significantly higher in patients with lone AF than in controls (patients with supraventricular tachyarrhythmias, n = 21) (64.6 (71.9) v 13.9 (7.8) pg/ml, p < 0.01). AF recurred in 21 patients after the initial PVI procedure (recurrent AF group), and the others were free from AF without antiarrhythmic drugs (non-recurrent AF group). BNP concentrations were significantly decreased by PVI in the non-recurrent AF group (38.9 (39.1) to 18.3 (16.1) pg/ml, p < 0.01) but not in the recurrent AF group. CONCLUSIONS: Raised plasma BNP concentrations decreased after successful segmental ostial PVI in patients with AF.[1]

References

Plasma brain natriuretic peptide concentrations in patients undergoing pulmonary vein isolation. Date, T., Yamane, T., Inada, K., Matsuo, S., Miyanaga, S., Sugimoto, K., Shibayama, K., Taniguchi, I., Mochizuki, S. Heart (2006) [Pubmed]

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