Left phrenic nerve injury after cryoballoon ablation of the pulmonary veins

Injuries to structures adjacent to the cryoballoon, as right phrenic nerve (PN), have been reported during cryoablation of atrial fibrillation. Andrade et al. reported a right PN palsy rate of 6.38%. On the left side, no PN injury has been described during cryoballoon ablation. A 70-year-old man was admitted for cryoballoon ablation. Chest X-ray was normal ( Figure 1A ). A …