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Critical Care

, 18:706

First Online: 26 December 2014


The study by Hincker and colleagues indicated that the perioperative use of rotational thrombelastometry ROTEM™ could predict thromboembolic events in 90% of the cases in non-cardiac surgery. Viscoelastic tests VETs - ROTEM™ and thrombelastography TEG™ - are used mainly to predict bleeding complications. Most conventional coagulation tests, like prothrombin time and activated partial thromboplastin time, can identify a disturbance in plasmatic hemostasis. However, the relevance of these assays is limited to the initiation phase of coagulation, whereas VETs are designed to assess the whole clotting kinetics and strength of the whole blood clot and reflect more the interaction between procoagulants, anticoagulants, and platelets. The first reports about VET and hypercoagulable state were published more than 25 years ago. Since then, several studies with different quality and sample size have been published, sometimes with conflicting results. A systematic review about hypercoagulable state and TEG™ indicated that further studies are needed to recommend VETs as a screening tool to predict postoperative thrombosis.

AbbreviationsFFPFresh frozen plasma

MAMaximum amplitude

ROTEM™Rotational thrombelastometry


VETViscoelastic test

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Autor: Fuat H Saner


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