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Title: Risk of Liver Abscess Formation in Patients with Prior Biliary Intervention Following Yttrium-90 Radioembolization

PurposePatients without a competent sphincter of Oddi due to prior surgical or endoscopic therapy are at high risk for liver abscess following chemoembolization despite aggressive antimicrobial prophylaxis. We examined a cohort of such patients undergoing Y-90 resin radioembolization and compared them to a cohort of chemoembolized patients.MethodsReview of our quality-assurance database identified 24 radioembolizations performed in 16 patients with prior biliary intervention. An aggressive prophylactic regimen of oral levofloxacin and metronidazole 2 days pre-procedure continuing for 14 days after, oral neomycin/erythromycin bowel prep the day before, and IV levofloxacin/metronidazole the day of treatment was prescribed. Patients underwent resin microsphere radioembolization dosed according to the BSA method. Patients had clinical, imaging, and laboratory assessment 1 month after each treatment, and then every 3 months. The chemoembolization cohort consisted of 13 patients with prior biliary intervention who had undergone 24 chemoembolization procedures.ResultsNo radioembolization patient developed an abscess. In the cohort of chemoembolized patients who received the same prophylaxis, liver abscess occurred following 3 of 24 (12.5 %) procedures in 3 of 13 (23 %) patients, one fatal.ConclusionsThis preliminary experience suggests that the risk of liver abscess among patients with prior biliary intervention may be lower following radioembolization than chemoembolization, which could potentially expand treatment options in this high-riskmore » population.« less
Authors:
; ; ; ; ; ;  [1]
  1. University of Pennsylvania, Division of Interventional Radiology (United States)
Publication Date:
OSTI Identifier:
22470003
Resource Type:
Journal Article
Resource Relation:
Journal Name: Cardiovascular and Interventional Radiology; Journal Volume: 38; Journal Issue: 2; Conference: BSIR 2014: Britisch Society of Interventional Radiology 2014 annual meeting, Liverpool (United Kingdom), 12-14 Nov 2014; Other Information: Copyright (c) 2015 Springer Science+Business Media New York and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE); http://www.springer-ny.com; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
62 RADIOLOGY AND NUCLEAR MEDICINE; ABSCESSES; BIOMEDICAL RADIOGRAPHY; ERYTHROMYCIN; HAZARDS; LETHAL DOSES; LIVER; METRONIDAZOLE; NEOMYCIN; PATIENTS; PREVENTIVE MEDICINE; QUALITY ASSURANCE; RADIOEMBOLIZATION; RESINS; SURGERY; WHO; YTTRIUM 90