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Modulation of the host flora.

R van Furth1, H F Guiot

  • 1Department of Infectious Diseases, University Hospital, Leiden, The Netherlands.

European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology
|January 1, 1989
PubMed
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Selective antibiotic modulation of bacterial flora in high-risk patients prevents infections. This approach eliminates aerobic bacteria, preserving anaerobic flora and colonization resistance, significantly reducing infection incidence.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Medicine

Background:

  • Patients at high risk of infection require strategies to modulate their bacterial flora.
  • Selective elimination of aerobic bacteria preserves beneficial anaerobic flora and colonization resistance.
  • Traditional methods may compromise colonization resistance, increasing susceptibility to pathogens.

Purpose of the Study:

  • To evaluate a selective antibiotic modulation strategy for preventing infections in high-risk patients.
  • To assess the impact of aerobic bacterial elimination on overall infection rates.

Main Methods:

  • Selective elimination of aerobic bacteria in the oropharyngeal cavity and intestinal tract.
  • Maintaining anaerobic flora integrity.
  • Implementing protective isolation and low-bacterial diet protocols.

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Main Results:

  • Significant reduction in the incidence of major infections.
  • Significant reduction in fatal infections during severe granulocytopenia episodes.
  • Preservation of colonization resistance against resistant bacteria and fungi.

Conclusions:

  • Selective antibiotic modulation is an effective strategy for infection prevention in high-risk patients.
  • The approach successfully reduces infection rates without compromising colonization resistance.
  • This method achieves the objective of preventing infections during vulnerable periods.