Microbiological patterns in sepsis: what happened in the last 20 years?

David R Murdoch1

  • 1Department of Pathology, University of Otago, P.O. Box 4345, Christchurch, New Zealand. david.murdoch@cdhb.govt.nz

Insights

Sepsis microbiology is shifting globally, with increased Gram-positive and fungal infections, and emerging multidrug-resistant pathogens. Regional variations and HIV prevalence significantly impact these evolving trends.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Public Health

Background:

  • Sepsis microbiology has evolved significantly over recent decades.
  • Increased use of medical devices, invasive procedures, and immunosuppression contribute to shifts in infection types.
  • Emergence of multidrug-resistant pathogens is a growing concern in sepsis cases.

Purpose of the Study:

  • To analyze the changing microbiological landscape of sepsis globally.
  • To identify regional variations in sepsis-causing pathogens.
  • To understand the influence of factors like HIV on sepsis microbiology.

Main Methods:

  • Review of published data on sepsis microbiology.
  • Analysis of trends in pathogen prevalence.
  • Comparison of microbiological patterns across different geographical regions.

Main Results:

  • Gram-positive bacteria and fungi are increasingly implicated in sepsis.
  • Multidrug-resistant Gram-positive and Gram-negative pathogens are emerging.
  • Significant regional differences exist, with specific pathogens dominating in South Asia, sub-Saharan Africa, and endemic areas.
  • HIV prevalence influences sepsis microbiology patterns in many regions.

Conclusions:

  • Sepsis microbiology is dynamic and influenced by medical advancements and global health trends.
  • Understanding regional variations is crucial for effective sepsis management.
  • The rise of multidrug resistance and HIV necessitates adaptive strategies in combating sepsis.

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