Abstract
Background
Interventional radiology treatment of chylothorax is well described in adults, with high technical and clinical success that decreases patient morbidity and mortality. However there is limited experience in children.
Objective
To report the technical and clinical success of lymphangiography, thoracic duct embolization and thoracic duct disruption in the pediatric population.
Materials and methods
We studied 11 pediatric patients (7 boys, 4 girls; median weight 6.0 kg) who underwent lymphangiography and thoracic duct embolization from November 2015 to May 2017. All 11 (100%) children presented with chylothorax, with 1 (9%) having concomitant chylous ascites and 1 (9%) having concomitant chylopericardium. Ten (91%) children had traumatic chylothorax and one (9%) had congenital chylothorax. We recorded technical success, clinical success and complications.
Results
Twelve procedures were completed in 11 children. Bilateral intranodal lymphangiography was technically successful in all (100%) patients. Central lymphatics were visualized in eight (67%) procedures. Access to central lymphatics was attempted in eight procedures and successful in five (63%). In three (37%) of the eight procedures, disruption was performed when the central lymphatics could not be accessed. Clinical success was achieved in 7/11 (64%) children. Three minor complications were reported. No major complications were encountered.
Conclusion
Lymphangiography, thoracic duct embolization and thoracic duct disruption are successful interventional strategies in children with chylothorax and should be considered as viable treatment options at any age.
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