CTICasesPulmonary vein stenosis and venous infarction post-catheter ablation
Imaging findings
CT scan shows unilateral pleural effusion and worsening asymmetric septal thickening and consolidation in the left upper lobe, with severe stenosis/occlusion of the left superior pulmonary vein following a catheter ablation for atrial fibrillation.
Key takeaways
Pulmonary vein stenosis is a known complication of catheter ablation for atrial fibrillation. It can present with lobar pulmonary edema, venous congestion, and hemorrhage/infarction, mimicking a refractory focal pneumonia.
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