Treating atrial fibrillation: pulmonary vein isolation with the cryoballoon technique

Heart, Lung & Circulation
Nick JacksonJohn Attia

Abstract

Cryoballoon ablation is a recently introduced technique to isolate the pulmonary veins in patients with atrial fibrillation (AF). It can potentially reduce procedural times and serious complications associated with radiofrequency ablation. We present data for 200 consecutive patients who underwent cryoballoon ablation for symptomatic AF with a mean follow-up of 16 months. Over 214 procedures that involved cryoballoon technique the mean procedure and fluoroscopy times fell to 130 and 30 min, respectively. 93.6% of pulmonary veins targeted were isolated with the cryoballoon only and 97.7% could be isolated with the addition of a radiofrequency ablation catheter. At one year 70% of patients in the paroxysmal AF group and 59% of patients in the persistent AF group were free from symptomatic recurrence. Three percent of patients experienced phrenic nerve palsy that persisted beyond the procedure. The major complication rate in this study was 0.9%. This represents the earliest and largest experience with cryoballoon ablation for AF in Australia. The major complication rate was low with no pulmonary vein stenosis, atrio-oesophageal fistula, stroke or cardiac tamponade in this series. The majority of patients were free from symptomatic...Continue Reading

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Citations

Jun 22, 2014·Heart Rhythm : the Official Journal of the Heart Rhythm Society·Ryan P GoffPaul A Iaizzo
Dec 2, 2015·Heart, Lung & Circulation·Allan J DaviesJames Leitch
Jun 25, 2013·Heart Rhythm : the Official Journal of the Heart Rhythm Society·Justin GhoshMark A McGuire
Jun 20, 2012·Heart, Lung & Circulation·Stuart P Thomas
Apr 24, 2013·Journal of Cardiovascular Electrophysiology·Sarah K Hussain, John D Ferguson
Jul 5, 2015·Wiener klinische Wochenschrift·Alexander BohóBranislav Stančák
Jan 7, 2014·International Journal of Cardiology·Alexander BohóBranislav Stančák
Sep 30, 2016·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Allan DaviesJames Leitch

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