Key result
Cryoballoon ablation achieves complete PVI following left pneumonectomy, although AF recurs at one month.
Why the study?
Pneumonectomy significantly alters anatomy, posing a challenge to cryoballoon ablation, and no cases of pulmonary vein isolation by cryoballoon ablation had been described in patients with pneumonectomy.
Case Report (n=1)
No
Cryoballoon ablation for pulmonary vein isolation is feasible in patients with significantly altered anatomy due to total pneumonectomy.
Answers are grounded in this paper and cite their sources.
Cryoballoon PVI appears feasible after total pneumonectomy; leaves open durability and outcomes in altered anatomy.
Pulmonary vein (PV) isolation (PVI) is the most important component of catheter ablation of atrial fibrillation (AF) and can be achieved by radiofrequency or cryoballoon ablation (CBA). The CBA system has shown excellent efficacy and safety in a number of clinical trials and is independent of the PV anatomy. However, pneumonectomy can significantly alter the anatomy posing a challenge to CBA. Few cases of PVI accomplished by CBA have been described in patients with lobectomy, but none in the pneumonectomy population. We describe a case of successful CBA for paroxysmal AF in a patient with a left total pneumonectomy.
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Brar et al. (2021) conducted a case report in Persistent Atrial Fibrillation (n=1). Cryoballoon ablation was evaluated on Pulmonary vein isolation. Cryoballoon ablation successfully achieved complete pulmonary vein isolation in a patient with persistent atrial fibrillation and a prior left total pneumonectomy, although atrial fibrillation recurred at one month.
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