Hemoptysis as a side effect of cryoballoon pulmonary vein isolation in atrial fibrillation: a retrospective case-control study.

Purpose: Hemoptysis and pulmonary hemorrhage are rarely described as complications of cryoballoon ablation for pulmonary vein isolation (CB PVI). This study evaluated a large cohort to determine the frequency and risk factors for manifestation of these complications and assess the clinical relevance of hemoptysis after CB PVI.

Methods: Seven hundred fifteen consecutive patients (351 female) from a single-center database were evaluated to identify those who developed hemoptysis after CB PVI.