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Portal hypertension and hepatocellular carcinoma: des liaisons dangereuses …

Abstract : Introduction: Portal hypertension (PHT) and Hepatocellular carcinoma (HCC) are major complication of cirrhosis which significantly contribute to morbidity and mortality. In this review, we aim to describe the consequences of both angiogenesis and inflammation in the pathogenesis of PHT and HCC, but also the difficulty to propose adapted treatment when PHT and HCC coexist in the same patients. Methods: Studies for review in this article were retrieved from the PubMed database using literature published in English until March 2021. Results: PHT occurs secondary to an increase of intrahepatic vascular resistances, the opening of portosystemic collateral vessels and the formation of neovessels, related to vascular endothelial growth factor (VEGF). Recently, bacterial translocation-mediated inflammation was also identified as a major contributor to PHT. Interestingly, VEGF and chronic inflammation also contribute to HCC occurrence. As PHT and HCC often coexist in the same patient, management of PHT and its related complications as well as HCC treatment appear more complex. Indeed, PHT-related complications such as significant ascites may hamper the access to HCC treatment and the presence of HCC is also independently associated with poor prognosis in patients with acute variceal bleeding related to PHT. Due to their respective mechanism of action, the combination of Atezolizumab and Bevacizumab for advanced HCC may impact the level of PHT and its related complications and to date, no real-life data are available. Finally, appropriate evaluation and treatment of PHT remains a major issue in order to improve the outcome of HCC patients.
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Submitted on : Thursday, June 3, 2021 - 10:08:18 AM
Last modification on : Tuesday, September 28, 2021 - 5:15:05 PM
Long-term archiving on: : Saturday, September 4, 2021 - 6:15:10 PM

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Manon Allaire, Marika Rudler, Dominique Thabut. Portal hypertension and hepatocellular carcinoma: des liaisons dangereuses …. Liver International, Wiley-Blackwell, 2021, ⟨10.1111/liv.14977⟩. ⟨hal-03247480⟩

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