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  • Title: Lymphatic interventions for isolated, iatrogenic chylous ascites: A multi-institution experience.
    Author: Majdalany BS, Khayat M, Downing T, Killoran TP, El-Haddad G, Khaja MS, Saad WA.
    Journal: Eur J Radiol; 2018 Dec; 109():41-47. PubMed ID: 30527310.
    Abstract:
    OBJECTIVES: Lymphangiography and thoracic duct embolization are established treatments for post-surgical chylothorax. There is only limited experience in their application to treat post-surgical chylous ascites. A multi-center analysis of the technical and clinical success of lymphangiography and lymphatic interventions in the treatment of isolated, iatrogenic chylous ascites is reported. METHODS: 21 patients (14 males; 7 females) aged 3-84 years (mean 56.9 years; median 63 years) were treated for isolated, iatrogenic chylous ascites between August 2012 and January 2018. Initial referrals occurred between 5-330 days (mean 72.7 days; median 40 days) after failing conservative therapy. Daily leak volumes ranged from 100 to 3000 mL. Lymphangiographic findings, techniques, clinical outcomes, and complications were recorded. RESULTS: 21 patients underwent 29 procedures. Seven patients underwent multiple procedures after chylous ascites persisted. Bilateral nodal lymphangiography (NL) was technically successful in all (100%) patients. Lymphangiography identified a leak in 14/21 (67%) patients and in 16/29 procedures (55%). Ten procedures (34%) consisted of NL alone and one (3.4%) consisted of NL combined with lymphatic disruption (LD). Six procedures (21%) consisted of nodal glue embolization (NGE) while nine procedures (31%) were catheter-based lymphatic embolization. Three separate patients underwent three procedures (10%) consisting of balloon-occluded retrograde abdominal lymphatic embolization. Clinical success, defined as no additional drainage of chylous ascites at 15 days, was ultimately achieved in 18/21 patients (86%). There were no major or minor complications. CONCLUSION: Lymphatic interventions can successfully treat post-surgical chylous ascites. Given the low risk of procedural complication, early intervention is encouraged.
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