Vol 69, No 7 (2011)
Invasive electrophysiology
Published online: 2011-07-18
Radiofrequency ablation of accessory pathway from noncoronary cusp of aorta after failed cryoablation
DOI: 10.33963/v.kp.79260
Kardiol Pol 2011;69(7):739-742.
Abstract
Successful ablation of atrial or ventricular arrhythmia from aortic sinuses of Valsalva has been well documented with low
complication rate. Radiofrequency (RF) ablation of anteroseptal pathway is always challenging for the risk of atrioventricular
block. Thus cryoablation is widely accepted approach. We present a 27 year-old patient with WPW syndrome and frequent
palpitations referred for cryoablation of anteroseptal pathway. Extensive mapping from high anterseptal region and from
noncoronary aortic cusp of aorta revealed a sharp pathway potential but several applications of cryomapping were unsuccessful.
Finally, the pathway was permanently ablated with RF energy from noncoronary cusp of aorta. The mapping of aortic
valve should be performed during difficult anteroseptal pathway ablation and unsuccessful cryomapping dose not preclude
successful RF ablation at the same location.
Kardiol Pol 2011; 69, 7: 739–742
Kardiol Pol 2011; 69, 7: 739–742
Keywords: radiofrequency ablationcryoablationanteroseptal accessory patwaynon-coronary cusp of aorta