Key result
Radiofrequency ablation eliminates donor SVC focal atrial tachycardia and improves hemodynamics after pediatric heart transplant.
Why the study?
Focal atrial tachycardia originating from the donor superior vena cava after bicaval orthotopic heart transplantation is a unique arrhythmia with unclear pathogenesis and treatment.
Case Report (n=1)
Radiofrequency catheter ablation can successfully treat focal atrial tachycardia originating from the donor superior vena cava following bicaval orthotopic heart transplantation.
Answers are grounded in this paper and cite their sources.
May be considered for refractory post-transplant focal AT; hypothesis-generating and requires confirmation before practice change.
An 11-year-old boy, who underwent bicaval orthotopic heart transplantation for idiopathic dilated cardiomyopathy, had a focal atrial tachycardia originating from the donor superior vena cava. The pathogenesis of this tachycardia may be related to transplant rejection or transplant vasculopathy. Radiofrequency catheter ablation can eliminate this unique tachycardia and result in hemodynamic improvement.
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Hwang et al. (2010) conducted a case report in Focal atrial tachycardia after bicaval orthotopic heart transplantation (n=1). Radiofrequency catheter ablation was evaluated on Elimination of tachycardia and hemodynamic improvement. Radiofrequency catheter ablation successfully eliminated focal atrial tachycardia originating from the donor superior vena cava in an 11-year-old heart transplant recipient, improving hemodynamics.
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