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  • Title: Intranodal Lymphangiography and Embolization for Management of Iatrogenic Chylous Ascites after Oncological Surgery.
    Author: Aly AK, Santos E, Fung J, Maybody M, Youssef EW, Petre EN, Gonzalez-Aguirre AJ, Moussa AM.
    Journal: J Vasc Interv Radiol; 2024 Jun; 35(6):883-889. PubMed ID: 38789205.
    Abstract:
    PURPOSE: To investigate the safety and effectiveness of intranodal lymphangiography (INL) and lymphatic embolization (LE) in management of chylous ascites after oncologic surgery. MATERIALS AND METHODS: Retrospective review of records of patients who underwent INL with or without LE from January 2017 to June 2022 was performed. Adult patients with chylous ascites after oncologic surgery referred to interventional radiology after failure of conservative treatment were included. Thirty-nine patients who underwent 55 procedures were included (34 males and 5 females). Data on patient demographics, procedural technique, outcomes, and follow-up were collected. Descriptive statistics were used to illustrate technical success, clinical success, and adverse events. Univariate logistic regression analysis was performed to evaluate factors predicting clinical success. RESULTS: INL was technically successful in 54 of 55 procedures (98%; 95% confidence interval [CI], 90%-100%). A lymphatic leak was identified in 40 procedures, and LE was attempted in 36. LE was technically successful in 33 of the 36 procedures (92%; 95% CI, 78%-98%). Clinical success, defined as resolution of ascites with no need for peritoneovenous shunt placement or additional surgery, was achieved in 22 of 39 patients (56%; 95% CI, 40%-72%). Clinical success was achieved in 18 patients after 1 procedure, and patients who required repeat procedures were less likely to achieve clinical success (odds ratio, 0.16; 95% CI, 0.04-0.66; P = .012). Four grade 1 procedural adverse events were recorded. CONCLUSIONS: INL with or without LE is a safe minimally invasive tool that can help patients with chylous ascites after oncologic surgery who failed conservative treatment avoid more invasive interventions.
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