Evidence map›Paper›PMID 33560376›Full record

ArticleBlood advances2021

Dissemination of extreme levels of extracellular vesicles: tissue factor activity in patients with severe COVID-19.

Christophe Guervilly, Amandine Bonifay, Stephane Burtey, Florence Sabatier, Raphaël Cauchois, Evelyne Abdili, Laurent Arnaud, Guillaume Lano, Léa Pietri, Thomas Robert and 6 more

Open access · goldAbstract read
In one paragraph

Article in Blood advances, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 99 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
99citing papers in PubMed, 2 pooled it
8.6field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

99 citing papers in PubMed, 2 syntheses or guidelines pooled it, 148 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
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  4. Trial
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  11. Article
  12. Review
  13. COVID-19: a vascular nightmare unfolding.Frontiers in immunology · 2025
    Review
  14. Article
  15. Review
  16. Article
  17. Macrophage fate: to kill or not to kill?Infection and immunity · 2024
    Review
  18. Article
  19. Review
  20. Review

39 more citing papers are in PubMed but not listed here.

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

16 authors at 5 institutions in 2 countries.

Christophe GuervillyMedical Intensive Care Unit, North Hospital, Assistance Publique-Hôpitaux de Marseille (AP-HM), Chemin des Bourrely, Marseille, France.
Amandine BonifayAix Marseille University, INSERM 1263, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition (C2VN), Marseille, France.
Stephane BurteyAix Marseille University, INSERM 1263, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition (C2VN), Marseille, France.
Florence SabatierAix Marseille University, INSERM 1263, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition (C2VN), Marseille, France.
Raphaël CauchoisAix Marseille University, INSERM 1263, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition (C2VN), Marseille, France.
Evelyne AbdiliLaboratory of Hematology and Vascular Biology.
Laurent ArnaudLaboratory of Hematology and Vascular Biology.
Guillaume LanoAix Marseille University, INSERM 1263, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition (C2VN), Marseille, France.
Léa PietriDepartment of Nutrition, Metabolic Diseases, and Endocrinology, La Conception Hospital, and.
Thomas RobertAix Marseille University, INSERM 1263, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition (C2VN), Marseille, France.
Mélanie VelierAix Marseille University, INSERM 1263, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition (C2VN), Marseille, France.
Laurent PapazianMedical Intensive Care Unit, North Hospital, Assistance Publique-Hôpitaux de Marseille (AP-HM), Chemin des Bourrely, Marseille, France.
Jacques AlbaneseIntensive Care Unit, Centre Hospitalier Universitaire La Timone, AP-HM, Marseille, France.
Gilles KaplanskiAix Marseille University, INSERM 1263, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition (C2VN), Marseille, France.
Françoise Dignat-GeorgeAix Marseille University, INSERM 1263, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition (C2VN), Marseille, France.
Romaric LacroixAix Marseille University, INSERM 1263, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Centre de Recherche en CardioVasculaire et Nutrition (C2VN), Marseille, France.
Inserm · FRAix-Marseille Université · FRCenter for Vascular Biology Research · USHôpital de la Conception · FRHôpital de la Timone · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Coronavirus disease 2019 (COVID-19) has become one of the biggest public health challenges of this century. Severe forms of the disease are associated with a thrombo-inflammatory state that can turn into thrombosis. Because tissue factor (TF) conveyed by extracellular vesicles (EVs) has been implicated in thrombosis, we quantified the EV-TF activity in a cohort of hospitalized patients with COVID-19 (n = 111) and evaluated its link with inflammation, disease severity, and thrombotic events. Patients with severe disease were compared with those who had moderate disease and with patients who had septic shock not related to COVID-19 (n = 218). The EV-TF activity was notably increased in patients with severe COVID-19 compared with that observed in patients with moderate COVID-19 (median, 231 [25th to 75th percentile, 39-761] vs median, 25 [25th to 75th percentile, 12-59] fM; P < .0001); EV-TF was correlated with leukocytes, D-dimer, and inflammation parameters. High EV-TF values were associated with an increased thrombotic risk in multivariable models. Compared with patients who had septic shock, those with COVID-19 were characterized by a distinct coagulopathy profile with significantly higher EV-TF and EV-fibrinolytic activities that were not counterbalanced by an increase in plasminogen activator inhibitor-1 (PAI-1). Thus, this article is the first to describe the dissemination of extreme levels of EV-TF in patients with severe COVID-19, which supports the international recommendations of systematic preventive anticoagulation in hospitalized patients and potential intensification of anticoagulation in patients with severe disease.

Indexed as

AgedAged, 80 and overArea Under CurveCOVID-19Extracellular VesiclesFemaleFibrin Fibrinogen Degradation ProductsHumansLogistic ModelsMaleMiddle AgedPilot ProjectsPlasminogen Activator Inhibitor 1Proportional Hazards ModelsRiskROC CurveFibrin Fibrinogen Degradation Productsfibrin fragment DPlasminogen Activator Inhibitor 1Thromboplastin

Identifiers

PMID33560376
PMCPMC7846479
OpenAlexW3127339583

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.