Increased left atrial pressure predicts recurrence following successful cryoablation for atrial fibrillation with second-generation cryoballoon

Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing
Banu EvranosKudret Aytemir

Abstract

Several studies have demonstrated that left ventricular diastolic dysfunction (LVDD) and left atrial pressure (LAP), as a surrogate marker of LVDD, were associated with atrial fibrillation (AF) recurrence following radiofrequency catheter ablation (RFCA) for AF. In this study, we aimed to investigate the individual impact of several left ventricular diastolic function parameters on outcomes of cryoablation for paroxysmal AF using second-generation cryoballoon. One hundred seventy patients who were scheduled for cryoablation with second-generation cryoballoon were included in this prospective study. All patients underwent comprehensive transthoracic and transesophageal echocardiographic examinations during sinus rhythm a day before catheter ablation. LAP was measured via transseptal sheath at the beginning of the ablation procedure. One hundred seventy patients (57.09 ± 11.80 years, 47.06 % male) were involved in the study. At a median follow-up of 19 months, when blanking period of 3 months was considered, freedom from AF after a single ablation procedure was 84.71 %. Patients with AF recurrence had significantly greater left atrial volume index (LAVI) (p = 0.005) and LAP (p < 0.001). Patients with AF recurrence had lower septa...Continue Reading

References

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Citations

Apr 13, 2017·Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology·Juan-Pablo AbugattasGian-Battista Chierchia
Jul 1, 2020·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Aditi S VaishnavStavros E Mountantonakis
Dec 4, 2020·Journal of Cardiovascular Electrophysiology·Jasen L GilgeParin J Patel

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