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ArticleInternational journal of emergency medicine2025

Usefulness of S100β protein in patients on antithrombotic drugs with mild traumatic brain injury: a prospective cohort study in an emergency department.

Xavier Quilcaille, Paul-Georges Reuter, Mélanie Duval, Emma Bajeux, Nicolas Peschanski

Registry-linked trialAbstract read
In one paragraph

Article in International journal of emergency medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04305821 (Intérêt de la protéine S100β Dans Les Traumatismes Crâniens légers Sous Anti-Thrombotiques), which is not on this map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT04305821 completednot on this map

Intérêt de la protéine S100β Dans Les Traumatismes Crâniens légers Sous Anti-Thrombotiques

TypeobservationalSponsorRennes University HospitalRan2020 to 2021Enrolled260ConditionsMild Head Injury, Anticoagulant, AntiplateletArmsDosage of S100β protein
3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Xavier QuilcailleService d'urgences, Centre Hospitalier Universitaire de Rennes, 2 Rue Henri le Guilloux, Rennes, 35000, France.
Paul-Georges ReuterService d'urgences, Centre Hospitalier Universitaire de Rennes, 2 Rue Henri le Guilloux, Rennes, 35000, France.
Mélanie DuvalService de Santé Publique, Centre Hospitalier Universitaire de Nantes, Hôpital Saint Jacques, Nantes Cedex 1, 44093, France.
Emma BajeuxService de Santé Publique, Centre Hospitalier Universitaire de Rennes, 2 Rue Henri le Guilloux, Rennes, 35000, France.
Nicolas PeschanskiService d'urgences, Centre Hospitalier Universitaire de Rennes, 2 Rue Henri le Guilloux, Rennes, 35000, France. nicolas.peschanski@chu-rennes.fr.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundS100β protein has interesting metrological characteristics in the general population with mild traumatic brain injury (TBI) but its value in the subpopulation of patients on antithrombotic drugs (ATD) remains poorly documented.

objectiveThe main objective was to evaluate the performance of S100β assay in ruling-out the presence of a cerebral injury after mTBI in subjects on ATD. DESIGN, SETTINGS AND

participantsThis prospective single-center study was conducted between March 2020 and September 2021 in the Emergency Department of a French hospital. Patients on ATD consulting for mTBI having occurred less than 6 h previously were included. OUTCOMES MEASURE AND ANALYSIS: The S100β assay was to have been performed within 6 h of the TBI, and a cut-off value of 0.105 µg/L was applied. The standard diagnosis was provided by cerebral computed tomography (CCT). The primary endpoint was the metrological qualities of S100β for detecting intracranial complication following TBI. Economic impact was evaluated as a secondary endpoint.

results245 patients were included, with a mean age of 81.5 (± 11.8) years. CCT showed cerebral injury for 15 (6.1%) patients. The S100β assay was negative for 58 (23.7%) patients. Sensitivity was 100% (95% CI: 78.2% − 100%), specificity 25.2% (95% CI: 19.7% − 31.3%), and NPV 100% (95% CI: 93.8% − 100%). The S100β assay could have avoided CCT for 23.7% of the subjects, which would save €82.03 per patient compared to the current strategy.

conclusionThe use of S100β within 6 h of a TBI among subjects on ATD is efficacious in safely discounting cerebral injury, with an appreciable economic saving. CLINICAL

trial registrationNCT04305821 (2020-03-09)

Indexed as

AntithromboticCerebral CTCerebral injuryMedico-economicMild brain injuryS100β protein

Identifiers

PMID41444519
PMCPMC12849163

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.