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Erschienen in:
20.10.2021 | Case Reports
Preserved electrical conduction between donor and recipient right atria as the cause of macroreentrant atrial tachycardia after heart transplantation
Erschienen in: Herzschrittmachertherapie + Elektrophysiologie | Ausgabe 1/2022
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Atrial arrhythmias after heart transplantation are common and usually originate from reentrant circuits inside the donor and recipient atria. A case is presented of macroreentrant atrial tachycardia with a reentry circuit incorporating preserved electrical conduction from the donor and recipient right atria. An invasive electrophysiological study including high-density electroanatomical mapping with a multipolar catheter was performed during tachycardia. A reentry circuit with an area of slow conduction at the supero-lateral aspect of the surgical anastomosis could be demonstrated. Catheter ablation at the site of slow conduction successfully terminated and permanently suppressed the tachycardia.