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Percutaneous thoracic duct intervention to treat plastic bronchitis related to Fontan palliation

Plastic bronchitis is a life‐threatening condition of airway obstructive cast formation. This pediatric case series from a high altitude center details the course of three patients after percutaneous thoracic duct interventions for refractory plastic bronchitis, with a follow‐up interval of 3.5 years. In two patients, where cisterna chyli maceration (patients 2) or thoracic duct embolization (patient 3) was performed, a sustained clinical improvement is shown, with no subsequent cast recurrence. In patient 1, cisterna chyli maceration resulted in partial improvement. Herein, a favorable outcome is shown in pediatric patients with percutaneous thoracic duct interventions for plastic bronchitis at altitude.