Successful management of extremely high‐output refractory congenital chylothorax with chemical pleurodesis using 4% povidone–iodine and propranolol: a case report

: First-line therapy for congenital chylothorax is conservative treatment. However, surgical intervention or chemical pleurodesis is required for refractory cases. With all the concerns regarding its complications, povidone-iodin provided a successful management for a high-output congenital chylothorax. However, renal and thyroid function must be monitored during treatment.