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Region Hovedstaden - en del af Københavns Universitetshospital
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Discriminatory plasma biomarkers predict specific clinical phenotypes of necrotizing soft-tissue infections

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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  3. Hyperbaric oxygen treatment is associated with a decrease in cytokine levels in patients with necrotizing soft-tissue infection

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  4. Risk factors and Predictors of Mortality in Streptococcal Necrotizing Soft-Tissue Infections: A Multicenter Prospective Study

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  • Laura M Palma Medina
  • Eivind Rath
  • Sanjeevan Jahagirdar
  • Trond Bruun
  • Martin B Madsen
  • Kristoffer Strålin
  • Christian Unge
  • Marco Bo Hansen
  • Per Arnell
  • Michael Nekludov
  • Ole Hyldegaard
  • Magda Lourda
  • Vitor Ap Martins Dos Santos
  • Edoardo Saccenti
  • Steinar Skrede
  • Mattias Svensson
  • Anna Norrby-Teglund
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BACKGROUNDNecrotizing soft-tissue infections (NSTIs) are rapidly progressing infections frequently complicated by septic shock and associated with high mortality. Early diagnosis is critical for patient outcome, but challenging due to vague initial symptoms. Here, we identified predictive biomarkers for NSTI clinical phenotypes and outcomes using a prospective multicenter NSTI patient cohort.METHODSLuminex multiplex assays were used to assess 36 soluble factors in plasma from NSTI patients with positive microbiological cultures (n = 251 and n = 60 in the discovery and validation cohorts, respectively). Control groups for comparative analyses included surgical controls (n = 20), non-NSTI controls (i.e., suspected NSTI with no necrosis detected upon exploratory surgery, n = 20), and sepsis patients (n = 24).RESULTSThrombomodulin was identified as a unique biomarker for detection of NSTI (AUC, 0.95). A distinct profile discriminating mono- (type II) versus polymicrobial (type I) NSTI types was identified based on differential expression of IL-2, IL-10, IL-22, CXCL10, Fas-ligand, and MMP9 (AUC >0.7). While each NSTI type displayed a distinct array of biomarkers predicting septic shock, granulocyte CSF (G-CSF), S100A8, and IL-6 were shared by both types (AUC >0.78). Finally, differential connectivity analysis revealed distinctive networks associated with specific clinical phenotypes.CONCLUSIONSThis study identifies predictive biomarkers for NSTI clinical phenotypes of potential value for diagnostic, prognostic, and therapeutic approaches in NSTIs.TRIAL REGISTRATIONClinicalTrials.gov NCT01790698.FUNDINGCenter for Innovative Medicine (CIMED); Region Stockholm; Swedish Research Council; European Union; Vinnova; Innovation Fund Denmark; Research Council of Norway; Netherlands Organisation for Health Research and Development; DLR Federal Ministry of Education and Research; and Swedish Children's Cancer Foundation.

OriginalsprogEngelsk
Artikelnummere149523
TidsskriftThe Journal of clinical investigation
Vol/bind131
Udgave nummer14
ISSN0021-9738
DOI
StatusUdgivet - 15 jul. 2021

ID: 66792485