Journal
CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY
Volume 38, Issue 2, Pages 372-380Publisher
SPRINGER
DOI: 10.1007/s00270-014-0914-1
Keywords
Interventional oncology; Chemoembolization; Liver/Hepatic; Cancer
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To investigate predictive factors for liver necrosis after transcatheter arterial chemoembolization (TACE) of neuroendocrine liver metastases. A total of 164 patients receiving 374 TACE were reviewed retrospectively to analyze predictive factors of liver necrosis. We analyzed patient age and sex; metastasis number and location; percentage of liver involvement; baseline liver function test; and pretreatment imaging abnormalities such as bile duct dilatation (BDD), portal vein narrowing (PVN), and portal vein thrombosis (PVT). We analyzed TACE technique such as Lipiodol or drug-eluting beads (DEB) as the drug's vector; dose of chemotherapy; diameter of DEB; and number, frequency, and selectivity of TACE. Liver necrosis developed after 23 (6.1 %) of 374 TACE. In multivariate analysis, DEB > 300 mu m in size induced more liver necrosis compared to Lipiodol (odds ratio [OR] 35.20; p < 0.0001) or with DEB < 300 mu m in size (OR 19.95; p < 0.010). Pretreatment BDD (OR 119.64; p < 0.0001) and PVT (OR 9.83; p = 0.030) were predictive of liver necrosis. BDD or PVT responsible for liver necrosis were present before TACE in 59 % (13 of 22) and were induced by a previous TACE in 41 % (9 of 22) of cases. DEB > 300 mu m in size, BDD, and PVT are responsible for increased rate of liver necrosis after TACE. Careful analysis of BDD or PVT on pretreatment images as well as images taken between two courses can help avoid TACE complications.
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