Gut Microbiota and Probiotics/Synbiotics for Modulation of Immunity in Critically Ill Patients

Kentaro Shimizu1, Masahiro Ojima1, Hiroshi Ogura1

  • 1Department of Traumatology and Acute Critical Medicine, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan.

Nutrients
|August 10, 2021
PubMed

Insights

Probiotics and synbiotics may help critically ill patients by supporting gut microbiota, reducing inflammation, and preventing infections like pneumonia. Further research is needed to optimize these intestinal therapies.

Area of Science:

  • Critical care medicine
  • Immunology
  • Microbiology

Background:

  • Critically ill patients experience systemic inflammation due to injuries, potentially leading to organ failure.
  • Gut dysfunction is a key factor in disease progression and organ failure in critical illness.
  • The gut microbiota plays a crucial role in host immunity, and its disruption can lead to immunosuppression.

Purpose of the Study:

  • To explore the role of probiotics and synbiotics in managing systemic inflammation in critically ill patients.
  • To investigate the potential of these interventions in preventing infectious complications.

Main Methods:

  • Review of existing literature on probiotics, synbiotics, and their effects in critical illness.
  • Analysis of studies reporting on the modulation of gut microbiota and immune response.

Main Results:

  • Probiotics and synbiotics may attenuate systemic inflammation by preserving gut microbiota integrity.
  • These interventions have shown potential in reducing postoperative infections and ventilator-associated pneumonia.

Conclusions:

  • Prophylactic administration of probiotics/synbiotics could be a valuable strategy for preventing infections and modulating immunity in critical care.
  • Further clinical and basic research is necessary to establish intestinal therapies for critically ill patients.

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