• Georg Dultz, Bernd Kronenberger, Alireza Azizi, Ulrike Mihm, Thomas J Vogl, Ulrike Sarrazin, Christoph Sarrazin, Stefan Zeuzem, and Wolf-Peter Hofmann.
• Medizinische Klinik 1, Klinikum der J.W. Goethe-Universität, Frankfurt am Main, Germany.
• J. Hepatol. 2011 Jul 1; 55 (1): 229-32.

Background & AimsThrombopoietin receptor agonists are a new class of compounds licenced for the treatment of immune thrombocytopenic purpura. They are currently being studied for patients with thrombopenia in advanced liver disease or under therapy for hepatitis C. There are indications that the risk for development of portal vein thrombosis in patients with advanced liver cirrhosis might be increased under therapy with thrombopoietin receptor agonists. We report a case of a patient with Child class B liver cirrhosis with concurrent immune thrombocytopenic purpura that developed portal vein thrombosis under therapy with the thrombopoietin receptor agonist romiplostim.MethodsA 50-year-old woman with hepatitis C virus associated immune thrombocytopenic purpura and Child class B liver cirrhosis presented in our emergency with rapidly evolving hydropic decompensation and general malaise. For immune thrombocytopenic purpura, the patient was started on the thrombopoietin receptor agonist romiplostim nine months ago.ResultsDuring hospitalization, the platelet count was measured above 330,000/μl and partial portal vein thrombosis was diagnosed by imaging studies. The thrombotic event was assumed to be associated with the romiplostim treatment for immune thrombocytopenic purpura via excessive elevation of platelet count. After anticoagulation with heparin and cessation of romiplostim treatment, complete recanalisation of the portal vein was achieved.ConclusionsWe conclude that romiplostim should be used with precaution in patients with hepatitis C-associated immune thrombocytopenic purpura and advanced liver cirrhosis as the risk for thrombotic complications may increase significantly.Copyright © 2011 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.

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