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Immunologic response in patients with polytrauma.

Ural Mukhametov1, Sergey Lyulin2, Dmitry Borzunov3

  • 1Republican Clinical Hospital. G.G. Kuvatova, Ufa, 450071, Russian Federation.

Non-Coding RNA Research
|October 20, 2022
PubMed
Summary

Severe polytrauma significantly alters immune responses, decreasing T-lymphocytes and increasing B-lymphocytes. Understanding these immune dynamics is crucial for developing targeted therapies and improving patient outcomes in trauma care.

Keywords:
BiomarkerCytokinesImmune responseInfectious complicationsPolytrauma

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Area of Science:

  • Immunology
  • Trauma Surgery
  • Critical Care Medicine

Background:

  • Traumatic injury triggers a complex immune response, particularly in polytrauma patients.
  • These immune responses are implicated in the development of infectious complications following severe injury.
  • Understanding trauma-induced immune changes is vital for improving patient outcomes and developing novel therapies.

Purpose of the Study:

  • To investigate immune system parameters in severe polytrauma patients during surgical treatment.
  • To analyze immune responses in both early and late post-traumatic periods.
  • To compare immune profiles in patients with and without infectious complications.

Main Methods:

  • Retrospective analysis of 188 severely injured trauma patients and 210 controls.
  • Peripheral blood collection at multiple time points post-injury and during ICU stay.
  • Flow cytometry for T-lymphocyte analysis and ELISA for cytokines, immunoglobulins, and immune complexes.

Main Results:

  • Trauma led to a decrease in T-lymphocytes (specifically T-helpers) and an increase in B-lymphocytes.
  • Humoral immunity showed peak activation around day 30 post-trauma.
  • Elevated levels of IL-6, IL-8, TNF-a, and IL-10 were observed on day 1 post-injury, decreasing over time.

Conclusions:

  • Further research into polytrauma immune response factors will enable new therapeutic strategies.
  • Individually tailored immune management is a key concept in polytrauma care.
  • Understanding immune dynamics is critical for optimizing resuscitation and treatment.