ArticleEuropean radiology2024
Incidence and clinical impact of bile ducts changes after multibipolar radiofrequency ablation for hepatocellular carcinoma.
Article in European radiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 0 citations in OpenAlex.
- Safety and Efficacy of an Irreversible Electroporation System with Real-Time Electrical and Thermal Monitoring for Liver Tumors: A Bicentric Retrospective Study.Cardiovascular and interventional radiology · 2026Observational
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9 authors at 4 institutions in 1 country.
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Abstract
objectivesThis study aimed to evaluate the incidence and clinical implications of bile duct changes following multibipolar radiofrequency ablation (mbpRFA) for hepatocellular carcinoma (HCC). MATERIALS AND
methodsRadiological, clinical, and biological data from consecutive cirrhotic patients who underwent first-line mbpRFA between 2007 and 2014 for uninodular HCC ≤ 5 cm were retrospectively collected. Follow-up imaging was reviewed to identify bile duct changes and factors associated with biliary changes were assessed using multivariable analysis. Baseline and 6-month liver function tests were compared in patients with and without bile duct changes. Complications, cirrhosis decompensation, and survival rates were compared in both groups.
resultsA total of 231 patients (mean age 68 years [39-85], 187 men) underwent 266 mbpRFA sessions for uninodular HCC (mean size 26 mm). Of these, 76 (33%) developed bile duct changes (upstream bile duct dilatations and/or bilomas) with a mean onset time of 3 months. Identified risk factors for these changes were the infiltrative aspect of the tumor (p = 0.035) and its location in segment VIII (p < 0.01). The average increase in bilirubin at 6 months was higher in the group with biliary changes (+2.9 vs. +0.4 µg/mL; p = 0.03). There were no significant differences in terms of complications, cirrhosis decompensation at 1 year (p = 0.95), local and distant tumor progression (p = 0.91 and 0.14 respectively), and overall survival (p = 0.4) between the two groups.
conclusionBile duct changes are common after mbpRFA for HCC, especially in tumors with an infiltrative aspect or those located in segment VIII. These changes do not appear to negatively impact the course of cirrhosis at 1 year or overall survival. CLINICAL RELEVANCE STATEMENT: Bile duct changes following mbpRFA for HCC are relatively common. Nevertheless, they do not raise clinical concerns in terms of complications, deterioration in liver function, or survival rates. Consequently, specific monitoring or interventions for these bile duct changes are not warranted. KEY POINTS: • Bile duct changes are frequently observed after multibipolar radiofrequency ablation for hepatocellular carcinoma, occurring in 33% of cases in our study. • Patients with bile duct changes exhibited a higher increase in bilirubin levels at 6 months but no more cirrhosis decompensation or liver abscesses. • Biliary changes following multibipolar radiofrequency ablation for hepatocellular carcinoma are not alarming and do not necessitate any specific monitoring or intervention.
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