Key result
Radiofrequency ablation successfully interrupted an excitable gap across the surgical anastomosis in a biatrial heart transplant patient, reestablishing electrical isolation.
Population
A 37-year-old male with a history of familial TTN gene mutation and OHT 20 years prior
Design
Case report
Authors
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Arrhythmias may originate from recipient atrium after biatrial OHT; leaves open optimal ablation targets in transplanted hearts.
Case Report (n=1)
This case demonstrates that electrical reconnection across surgical anastomoses in biatrial orthotopic heart transplants can drive complex atrial arrhythmias, which can be successfully treated with targeted radiofrequency ablation.
Downey et al. (2025) conducted a case report in Persistent atrial arrhythmias post-orthotopic heart transplant (n=1). Radiofrequency ablation (RFA) was evaluated on Electrical isolation of native and donor atrial tissues. Radiofrequency ablation successfully interrupted an excitable gap across the surgical anastomosis in a biatrial heart transplant patient, reestablishing electrical isolation.
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