Abstract
Thromboelastography/thromboelastometry (TEG/ROTEM) is widely used in near-patient setting, especially in perioperative and intensive care medicine for the management of acute bleeding. Until now a comprehensive quality management especially an external quality control of TEG/ROTEM results is not established. Here we report about our results of a pilot survey performed in 2008 and 2009 integrated in the External Quality Assessment Schemes (EQAS) performed by INSTAND. According to this first EQAS data ROTEM results can be controlled in external quality schemes using lyophilized plasma samples. The clot firmness (A20) and clot formation kinetics characterized by the alpha-angle showed very good reproducibility both between the participants and between different surveys. Variations for CT and CFT were considerably higher especially in the plasma sample with reduced fibrinogen level. Regular participation in an external quality assurance will help to confirm this beneficial technology in emergency settings.
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