Impact thromboelastometry (ITEM) for point-of-injury detection of trauma-induced coagulopathy: a pilot study

Gerard S Doyle; Aristotle A Theodore; J Nicholas Hansen

doi:10.1136/tsaco-2016-000049

Open Access

Impact thromboelastometry (ITEM) for point-of-injury detection of trauma-induced coagulopathy: a pilot study

Gerard S Doyle, Aristotle A Theodore, J Nicholas Hansen

DOI: 10.1136/tsaco-2016-000049 Published 2 March 2017

Gerard S Doyle

Division of Emergency Medicine, Department of Surgery, University of Utah, Salt Lake City, Utah, USA

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ORCID record for Gerard S Doyle

Aristotle A Theodore

Division of Emergency Medicine, Department of Surgery, University of Utah, Salt Lake City, Utah, USA

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J Nicholas Hansen

Division of Emergency Medicine, Department of Surgery, University of Utah, Salt Lake City, Utah, USA

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Figure 1
Examples of failed (two tubes, left) and intact (two tubes, right) clots after impact thromboelastometry.
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Figure 2
Results of impact thromboelastometry test by sample composition (%blood).
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Figure 3
Pooled results of impact thromboelastometry for non-coagulopathic (75–100% blood) and coagulopathic ≤50% blood) samples.

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Table 1
Drop test results by percentage blood
100% 75% 50% 40% 30%
Intact 19 16 9 5 2
Failed 4 8 15 19 22

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