Arrhythmias in d-Transposition of the great arteries after Mustard- or Senning-type atrial redirection surgery - 22 years of experience in catheter ablation and follow-up

The authors aimed to evaluate the effectiveness and long-term outcomes of catheter ablation for atrial tachyarrhythmias in patients with d-transposition of the great arteries (d-TGA) who underwent Mustard or Senning atrial redirection surgery. Their findings indicate that catheter ablation is both feasible and highly effective, with an acute success rate of 86%, but also reveal a significant incidence of new arrhythmias over time, particularly in patients who had Mustard surgery. This highlights the ongoing risk of arrhythmias in this population and the need for tailored long-term management strategies.