• Sotiria Bedreli, Jan-Peter Sowa, Saraa Malek, Sandra Blomeyer, Antonios Katsounas, Guido Gerken, Fuat H Saner, and Ali Canbay.
• Department of Gastroenterology and Hepatology, University Hospital, University Duisburg-Essen, Essen, Germany.
• Liver Int. 2017 Apr 1; 37 (4): 562-568.

Background & AimsPatients with progressive liver disease exhibit complex coagulation disorders. Factor XIII plays a crucial role in the last steps of haemostasis, and its deficiency is associated with an increased incidence of bleeding diathesis. However, current conventional coagulation tests cannot detect factor XIII deficiency. In this study, we examined factor XIII activity and the ability of rotational thromboelastometry to detect factor XIII deficiency and bleeding diathesis in patients with cirrhosis.MethodsWe retrospectively studied 74 patients with cirrhosis, comparing the results of conventional coagulation tests (international normalized ratio, activated partial thromboplastin time, platelet count, fibrinogen level), rotational thromboelastometry, factor XIII activity and clinical scores.ResultsPatients with cirrhosis exhibited reduced factor XIII activity. Factor XIII activity was positively correlated with conventional coagulation parameters and rotational thromboelastometry values, such as maximum clot formation (MCF)extem (r=.48, P<.0001) and MCFfibtem (r=.60, P<.0001). However, maximum lysis (ML)extem and MLaptem were not correlated with factor XIII activity. Three-month mortality rates (P=.0469) and bleeding complications (P<.0001) were significantly associated with lower factor XIII activity. Patients with haemorrhage exhibited significantly altered rotational thromboelastometry values.ConclusionsReduced levels of MCFextem and MCFfibtem but not high levels of MLextem and MLaptem are associated with factor XIII deficiency in patients with liver disease. Therefore, substituting factor XIII should be considered for such patients to strengthen clot formation in patients experiencing haemorrhage or those who have undergone interventions.© 2016 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

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