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Gut barrier function and the surgeon.

R Saadia1, M Schein, C MacFarlane

  • 1Trauma Unit, Johannesburg Hospital, South Africa.

The British Journal of Surgery
|May 1, 1990
PubMed
Summary
This summary is machine-generated.

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Multiple organ failure may stem from the gut, not just infection. Bacterial translocation from the gut can trigger sepsis, impacting critically ill patients.

Area of Science:

  • Gastroenterology
  • Critical Care Medicine
  • Microbiology

Background:

  • Multiple organ failure (MOF) is not always linked to a clear septic source.
  • The gut is increasingly recognized as a potential origin for sepsis through bacterial translocation.
  • Haemorrhagic shock and sepsis have a known but complex relationship, with recent experimental support.

Purpose of the Study:

  • To explore the role of the gut as a reservoir for bacteria and endotoxins.
  • To investigate the phenomenon of bacterial translocation in critical illness.
  • To understand the factors contributing to bacterial translocation and endotoxin absorption.

Main Methods:

  • Review of evidence linking gut barrier integrity, microbial ecology, and defense mechanisms to bacterial translocation.

Related Experiment Videos

  • Analysis of conditions predisposing to bacterial translocation, including haemorrhagic shock, burns, malnutrition, and sepsis.
  • Examination of the role of these factors in critically ill surgical and multiply injured patients.

    • Main Results:

    • Bacterial translocation occurs in settings of physical gut mucosal disruption, impaired defenses, and altered gut microbiota.
    • Conditions like haemorrhagic shock, burns, protein malnutrition, and sepsis create favorable circumstances for bacterial translocation.
    • Endotoxin absorption from the gut can contribute to the septic state.

    Conclusions:

    • The gut serves as a reservoir for bacteria and endotoxins that can translocate across the intestinal barrier.
    • Bacterial translocation is a significant factor in the development of sepsis and MOF in critically ill patients.
    • Understanding these mechanisms is crucial for managing mortality in severe illness and trauma.