ArticleJournal of stroke and cerebrovascular diseases : the official journal of National Stroke Association2025
Thromboelastography may assess the effect of anticoagulation reversal in intracranial hemorrhage.
Article in Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Association of Thromboelastography With Hematoma Expansion and Disability in Spontaneous Intracerebral Hemorrhage: A Multicenter Study.Neurology open access · 2026Article
- Observational
- Association of age on thromboelastography coagulation profiles among elderly patients with peripheral arterial disease.Journal of vascular surgery · 2025Observational
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8 authors.
Funding
Abstract
backgroundIntracranial hemorrhage (ICH) is a complication of oral anticoagulation and is associated with significant morbidity and mortality. Clinical need exists for biomarkers to measure anticoagulation in patients with factor Xa inhibitor-associated ICH to assess the hemostatic effect of reversal agents. This study explored the utility of thromboelastography (TEG) to assess anticoagulation in emergency department (ED) patients who received activated prothrombin complex concentrate (aPCC) reversal for factor Xa-inhibitor-associated ICH.
methodsThis was a prospective, single-center, cohort study in a convenient sample of adult patients presenting to the ED with acute factor Xa-associated ICH. Exclusion criteria included pregnancy, incarceration, polytrauma, hepatic failure, or other known coagulopathic conditions. TEG samples were collected prior to anticoagulation reversal, as well as at 30-minutes, 12-hours, and 24-hours post-reversal. Only patients who received aPCC reversal were included in the final analysis.
resultsPre-reversal TEG was collected on 10 participants prior to aPCC administration. A significant decrease in TEG R-time was observed at 30 minutes post-aPCC reversal (Beta = -0.91, p = 0.035). R-time increased at 12- and 24-hours post-aPCC reversal to baseline levels. Significant changes were not observed in K-time, clot strength, maximum amplitude, or coagulation index.
conclusionsTEG R-time decreases acutely after anticoagulation reversal with aPCC and rebounds at 12- and 24-hours post-reversal. TEG R-time may serve as a potential sensitive biomarker of the residual anticoagulation activity of factor Xa inhibitors in patients with ICH that undergo anticoagulation reversal with aPCCs.
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