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Review
. 2015 Sep 14:2:62.
doi: 10.3389/fmed.2015.00062. eCollection 2015.

Viscoelastic Methods of Blood Clotting Assessment - A Multidisciplinary Review

Jan Benes  1 , Jan Zatloukal  2 , Jakub Kletecka  2
Affiliations
Review

Viscoelastic Methods of Blood Clotting Assessment - A Multidisciplinary Review

Jan Benes et al. Front Med (Lausanne). .

Abstract

Viscoelastic methods (VEM) made available the bedside assessment of blood clotting. Unlike standard laboratory tests, the results are based on the whole blood coagulation and are available in real time at a much faster turnaround time. In combination with our new knowledge about pathophysiology of the trauma-induced coagulopathy, the goal-oriented treatment protocols have been recently proposed for the initial management of bleeding in trauma victims. Additionally, the utility of viscoelastic monitoring devices has been proved even outside this setting in cardiosurgical patients or those undergoing liver transplantation. Many other situations were described in literature showing the potential use of bedside analysis of coagulation for the management of bleeding or critically ill patients. In the near future, we may expect further improvement in current bedside diagnostic tools enabling not only the assessment of secondary hemostasis but also the platelet aggregation. More sensitive assays for new anticoagulants are underway. Aim of this review is to offer the reader a multidisciplinary overview of VEM and their potential use in anesthesiology and critical care.

Keywords: coagulation; point-of-care testing; thrombosis; transfusion; trauma-induced coagulopathy; viscoelastic methods.

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Figures

Figure 1
Figure 1
The most commonly used viscoelastic devices – the ROTEM® device (A) and the TEG® device (B).
Figure 2
Figure 2
The typical tracings of ROTEM® (upper panel) and TEG® devices (lower panel) with the most prominent parameters of both methods with the comparison (see also Table 2).
Figure 3
Figure 3
The protocol of acute traumatic coagulopathy of the authors’ institution (English translation).
See this image and copyright information in PMC

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