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Article Dans Une Revue Critical Care Medicine Année : 2016

Early Detection of Disseminated Intravascular Coagulation During Septic Shock: A Multicenter Prospective Study.

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Xavier Delabranche
  • Fonction : Auteur
Thierry Lavigne
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Emmanuelle Mercier
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François François
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François Severac
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Lélia Grunebaum
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Madah Mehdi
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Fatiha Zobairi
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Florence Toti
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Ferhat Meziani
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Julie Boisramé-Helms
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Résumé

OBJECTIVES: Inadequate stratification of septic shock patients may result in inappropriate treatment allocation in randomized clinical trials, especially regarding anticoagulant. We previously reported that endothelial-derived microparticles are relevant biomarkers of sepsis-induced disseminated intravascular coagulation. In this validation cohort, we assess microparticles as surrogates of cell activation to improve early disseminated intravascular coagulation diagnosis and patient stratification. DESIGN: Prospective observational study in septic shock patients. SETTINGS: Four medical ICUs in university hospitals. PATIENTS AND METHODS: Two hundred sixty-five patients with septic shock from four ICUs were consecutively enrolled. Disseminated intravascular coagulation was diagnosed according to Japanese Association for Acute Medicine 2006 score. Endothelial- and leukocyte-derived circulating procoagulant microparticles were isolated and quantified by prothrombinase assay at admission, day 3, and day 7. INTERVENTION: None. MEASUREMENTS AND MAIN RESULTS: Two hundred fifty-nine patients were analyzed. Sixty-one had disseminated intravascular coagulation at admission, and 32 developed disseminated intravascular coagulation during the first 24 hours after admission. Multiple logistic regression model confirmed that endothelial cell-derived microparticles were associated with disseminated intravascular coagulation: CD105-microparticles (odds ratio, 2.13) and CD31-microparticles (odds ratio, 0.65) (p < 0.05). Furthermore, CD11a-microparticles to leukocyte ratio evidenced leukocyte activation (odds ratio, 1.59; p < 0.05). Prediction of disseminated intravascular coagulation was also analyzed after exclusion of patients with disseminated intravascular coagulation at admission. A new multiple logistic regression analysis demonstrated the association of CD105-microparticles (> 0.60 nM eq. PhtdSer; odds ratio, 1.67; p < 0.01), platelets count (≤ 127 g/L; odds ratio, 0.99; p < 0.01), and prothrombin time (≤ 58%; odds ratio, 0.98; p < 0.05) with disseminated intravascular coagulation. A combining score at admission is predictive of the absence of disseminated intravascular coagulation (area under the curve, 72.9%; specificity, 71.2%; sensitivity, 71.0%, with a negative predictive value of 93.1% and a positive predictive value of 31.0%). CONCLUSIONS: Procoagulant microparticles from endothelial cells and leukocytes reflect a vascular injury during sepsis-induced disseminated intravascular coagulation that precedes obvious activation of coagulation. A combination of prothrombin time, endothelium-derived CD105-microparticles, and platelet count at admission could predict the absence of disseminated intravascular coagulation and allow a better stratification in future randomized clinical trials.
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Dates et versions

hal-01447786 , version 1 (27-01-2017)

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Xavier Delabranche, Jean-Pierre Quenot, Thierry Lavigne, Emmanuelle Mercier, François François, et al.. Early Detection of Disseminated Intravascular Coagulation During Septic Shock: A Multicenter Prospective Study.. Critical Care Medicine, 2016, 44 (10), pp.e930-9. ⟨10.1097/CCM.0000000000001836⟩. ⟨hal-01447786⟩
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