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  • Title: A comparison of lymphatic embolization and sclerotherapy in the management of iatrogenic abdominopelvic lymphoceles following oncological surgery.
    Author: Moussa AM, Aly AK, Maybody M, Camacho JC, Ridouani F, Gonzalez-Aguirre AJ, Santos E.
    Journal: Diagn Interv Radiol; 2023 May 31; 29(3):542-547. PubMed ID: 37171042.
    Abstract:
    PURPOSE: To compare the safety and efficacy of sclerotherapy and lymphatic embolization (LE) in the treatment of symptomatic iatrogenic lymphoceles following the placement of a percutaneous drainage catheter. METHODS: This is a retrospective study of 46 patients who underwent sclerotherapy (17 patients) or LE (29 patients) for the management of symptomatic iatrogenic lymphoceles following percutaneous drain placement between January 2017 and December 2021. The demographic characteristics, time between surgery and lymphatic intervention, clinical presentation, number of procedures, drain output pre- and post-intervention, time from intervention to drain removal, and adverse events were collected and compared for both groups. The clinical success rate, defined as the successful removal of the drain after one procedure, was calculated. Adverse events were reported according to the Society of Interventional Radiology classification. A statistical analysis was conducted using SPSS, and the P value for statistical significance was set at 0.05. The Mann-Whitney U test was used to compare differences in the scale variables, and Fisher's exact test was used to compare the categorical and ordinal variables between both groups. RESULTS: A total of 46 patients with 49 lymphoceles met the inclusion criteria of the study. Of these patients, 17 patients (19 lymphoceles) underwent sclerotherapy, and 29 patients (30 lymphoceles) underwent LE as their initial procedures. The clinical success after one procedure was significantly higher (83% vs. 47%, P = 0.011), and the median time between the first intervention and drain removal was significantly shorter in the LE group (median duration of 6 vs. 13 days, P = 0.018) compared with the sclerotherapy group. No statistically significant difference in adverse events was noted between both groups (0.26 vs. 0.10, P = 0.11). CONCLUSION: This study found that LE had a higher clinical success rate after the first procedure and a shorter time to drain removal compared with sclerotherapy. There was no difference in the rate of adverse events between both groups. Although LE is a safe and promising technique, a prospective study is needed to further compare the efficacy of both treatment modalities.
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