Lymphatic embolization for early post-operative lymphatic leakage after radical cystectomy for bladder cancer

Yoo Sub Shin, Kichang Han, Jongsoo Lee, Hyun Ho Han, Won Sik Jang, Gyoung Min Kim and Ji Eun Heo

PLOS ONE, 2024, vol. 19, issue 9, 1-13

Abstract: Background and objective: Although radical cystectomy (RC) with pelvic lymph node dissection (PLND) is the standard treatment of muscle invasive bladder cancer, it may cause lymphatic leakage. Recent studies describe lymphatic embolization (LE) as an option to manage post-operative lymphatic leakage. Hence, this study evaluated the outcome of LE in patients receiving RC and analyzed factors associated with outcomes. Methods: This was a retrospective analysis of patients who underwent LE after RC for bladder cancer between August 2017 and June 2023. The data was assessed for analysis at January 2024. The patients were divided into a clinical success group and a clinical failure group. Clinical failure was defined as the following: 1) those who required drainage catheter placement >7 days after LE, 2) those who needed re-intervention before catheter removal, and 3) those who experienced adverse events associated with LE. Logistic regression analysis was performed to identify the factors associated with outcomes of LE. Key findings and limitations: We analyzed 45 patients who underwent LE after RC. Twenty-eight (62.2%) patients were identified as clinically successful. Four patients required re-embolization, but none required more than two sessions of intervention. Three patients experienced lymphatic complications after LE. In multivariable analysis, maximal daily drainage volume of >1,000 mL/day (odds ratio [OR] = 4.729, 95% confidence interval [CI]: 1.018–21.974, p = 0.047) and diabetes mellitus (DM) (OR = 4.571, 95% CI: 1.128–18.510, p = 0.033) were factors associated with LE outcome. Conclusions and clinical implications: Our results suggest LE as a potentially effective procedure for controlling post-operative lymphatic leaks after RC, with few minor side effects. Patients exceeding a daily drainage of 1,000mL/day or with a medical history of DM have a higher risk for re-intervention and clinical failure after LE.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0305240

DOI: 10.1371/journal.pone.0305240

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