Abstract:
BACKGROUND:Hepatic arterioportal shunt (A-P shunt) is defined as the direct blood flow established between hepatic artery and portal venous system; it is frequently observed in patients with hepatocellular carcinoma (HCC). Clinically, it is important to diagnose HCC associated A-P shunts, as it may impact the treatment strategy of the patients. In the present study, we described the imaging findings of the HCC associated A-P shunts and discussed the treatments strategy of such patients. From the findings, we also discussed the potential cause of A-P shunts. METHODS:Clinical data of HCC patients (n = 560), admitted to the hospital between April 2012 to April 2014, were reviewed. Hepatic angiography was used to examine the presence of A-P shunts. Of the 137 patients with A-P shunts, grading of the A-P shunts was performed, and statistical analysis of the different grades of A-P shunts and clinical characteristics was performed. RESULTS:The hepatic angiography confirmed that 99 patients had typical A-P shunts (Grade 1-3), and 38 patients had atypical A-P shunts. Embolization was the main strategy used to treat A-P shunts, in which liquid embolic agents appeared to provide a better treatment outcome. The correlation analysis showed that the grading of portal vein tumor thrombus was significantly associated with the grading of A-P shunt (p = < 0.001, Spearman correlation coefficient was 0.816 ± 0.043). CONCLUSIONS:We characterized A-P shunts and proposed treatment strategy for treating HCC patients with various levels of A-P shunts. The findings supported the hypothesis that the formation of HCC associated A-P shunts was caused by tumor thrombus.
journal_name
BMC Gastroenteroljournal_title
BMC gastroenterologyauthors
Wu H,Zhao W,Zhang J,Han J,Liu Sdoi
10.1186/s12876-018-0899-3subject
Has Abstractpub_date
2018-11-12 00:00:00pages
174issue
1issn
1471-230Xpii
10.1186/s12876-018-0899-3journal_volume
18pub_type
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