Key result
Repeated septal radiofrequency ablation for VT can cause delayed ventricular septal defect requiring surgical repair.
Why the study?
Repeat ablation for recurrent ventricular tachycardia carries procedural risks, but delayed-onset ventricular septal defect formation following repeated septal ablations is a rare complication warranting description.
Case Report (n=1)
Highlights the rare but severe risk of delayed iatrogenic ventricular septal defect following repeated or aggressive radiofrequency ablation of the septum.
May warrant vigilance for delayed VSD after repeated septal RF ablation; case report leaves incidence and predictors open.
Ablation is a common management technique for pharmacologically resistant ventricular tachycardias that is relatively safe for patients. However, up to 88% of patients who receive ablation will experience recurrence of their ventricular tachycardia and a proportion of these will require repeat ablation, putting them at higher risk of pericardial effusion and venous thrombosis.1 In this case report, we describe a patient who suffered from delayed-onset ventricular septal defect formation following repeated ablations of the ventricular septum for ventricular tachycardias.
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Nehoff et al. (2023) conducted a case report in Ventricular tachycardia (n=1). Radiofrequency ablation was evaluated on Ventricular septal defect formation. Repeated radiofrequency ablation of the ventricular septum for ventricular tachycardia resulted in a delayed-onset ventricular septal defect requiring surgical repair.
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