Abstract
Spontaneous portosystemic shunts (SPSS) are an often neglected cause of hepatic encephalopathy associated with cirrhosis. Nowadays, SPSS are considered as radiological biomarkers of clinically significant portal hypertension rather than the previous dogmatic perceived decompressive vessels. SPSS are not rare as they can be diagnosed in over 60% of the patients with cirrhosis by mere contrast-enhanced CT. Moreover, they are clinically relevant since they impact on all portal hypertensive related complications, in particular medically refractory HE, and represent an independent predictor of decompensation and mortality in cirrhosis, irrespective of the type of SPSS. Taken together, these elements warrant strategies to target these shunts directly which is currently is achieved via interventional radiology embolization. In this review, we discuss why it makes sense to tackle SPSS, how to do it and what it takes to do it right based on aggregated literature.
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Acknowledgements
This review article is based on a talk given at the International Society for Hepatic Encephalopathy & Nitrogenous metabolism in 10-2021 and is written under the aegis of the European HORIZON 2020 project MICROB-PREDICT (grant No 825694)
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MP is funded by the Ernst-und-Berta Grimmke Foundation (No. 5/19) and BONFOR research program of the University of Bonn (grant ID 2020-2A-07 and 2021-2A-07) and by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany’s Excellence Strategy – EXC2151 – 390873048.
JT was supported by the German Research Foundation (DFG) project ID 403224013 – SFB 1382 (A09), by the German Federal Ministry of Education and Research (BMBF) for the DEEP-HCC project and by the Hessian Ministry of Higher Education, Research and the Arts (HMWK) for the ENABLE and ACLF-I cluster projects. The MICROB-PREDICT (project ID 825694), DECISION (project ID 847949), GALAXY (project ID 668031), LIVERHOPE (project ID 731875), and IHMCSA (project ID 964590) projects have received funding from the European Union’s Horizon 2020 research and innovation program. The manuscript reflects only the authors’ views, and the European Commission is not responsible for any use that may be made of the information it contains. WL received funding from the MICROB-PREDICT (project ID 825694).
The funders had no influence on study design, data collection and analysis, decision to publish, or preparation of the manuscript.
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Laleman, W., Praktiknjo, M., Lauridsen, M.M. et al. Closing spontaneous portosystemic shunts in cirrhosis: Does it make sense? Does it work? What does it take?. Metab Brain Dis 38, 1717–1728 (2023). https://doi.org/10.1007/s11011-022-01121-2
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DOI: https://doi.org/10.1007/s11011-022-01121-2