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Related Experiment Videos

Multiple organ failure: whole body inflammation?

R J Goris1

  • 1Dept. of General Surgery, University Hospital St. Radboud, Nijmegen, The Netherlands.

Schweizerische Medizinische Wochenschrift
|March 18, 1989
PubMed
Summary

Inflammatory cells like neutrophils (PMN), macrophages, and mast cells can trigger lethal systemic inflammation. New methods allow monitoring these cells and mediators, revealing potential self-inflicted damage in conditions like sepsis.

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Area of Science:

  • Immunology and Inflammation Research
  • Systemic Inflammatory Response Syndromes

Background:

  • Individual inflammatory cells, including polymorphonuclear leukocytes (PMN), macrophages, and mast cells, possess the capacity to induce a lethal systemic inflammatory response.
  • This phenomenon of whole-body inflammation has been underappreciated due to limitations in clinical study methodologies, such as reliance on peripheral leukocyte counts and the inability to monitor key inflammatory mediators and activated cells.

Purpose of the Study:

  • To investigate the inflammatory potential of neutrophils (PMN), macrophages, and mast cells in inducing systemic lethal reactions.
  • To highlight the limitations of current clinical methods in assessing whole-body inflammation and introduce novel monitoring techniques.

Main Methods:

  • Utilizing a new suite of methods to closely examine systemic inflammation.
  • Monitoring polymorphonuclear leukocyte (PMN) activity via elastase levels.
  • Assessing macrophage activity through neopterin measurements, with ongoing development for clinical cytokine and endotoxin monitoring.

Main Results:

  • Each investigated inflammatory cell type (PMN, macrophages, mast cells) demonstrated the potential to induce a lethal systemic inflammatory reaction.
  • Emerging methodologies enable more accurate assessment of cellular and mediator involvement in systemic inflammation.

Conclusions:

  • Systemic inflammation and its severe consequences, such as sepsis and multiple organ failure (MOF), may not solely stem from bacterial or endotoxin triggers.
  • These conditions could arise from self-sustaining, autodestructive activation of leukocytes and macrophages, as observed in experimental models.

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