Intracardiac echocardiography to guide catheter ablation of an accessory pathway in Ebstein’s anomaly. A case report

Gabriel Cismaru, Lucian Muresan, Radu Rosu, Mihai Puiu, gabriel Gusetu, Rodica Toganel, Dana Pop, Dumitru Zdrenghea

Abstract


We present the case of a 17-year-old girl with Ebstein anomaly and repeated episodes of reentrant tachycardia due to a right posterior accessory pathway. Catheter ablation was performed using intracardiac echocardiography. A ViewFlex Xtra probe was inserted and showed an anormal tricuspid valve with elongated anterior leaflet and low insertion of the septal leaflet towards the apex. The anatomical annulus was identified by the course of the right coronary artery. RF application on the posterior annulus stopped the reentrant arrhythmia. After ablation, programmed stimulation showed absence of both antegrade and retrograde conduction through the accessory pathway.

Keywords


Ebstein’s anomaly; tricuspid valve; intracardiac echocardiography; catheter ablation; accessory pathway

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DOI: http://dx.doi.org/10.11152/mu-1347

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