Catheter ablation of atrial fibrillation in situs inversus dextrocardia: Challenge, improved procedure, outcomes, and literature review.

With the improved strategy, AF-CA can be safely and effectively performed with low radiation exposure in patients with SID. However, the long-term outcomes were not favorable, even when managed at a tertiary center by a team of specialists. Moreover, patients with PeAF might also have masked SSS, which should be carefully considered.