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Related Experiment Videos

Transfusion-transmitted bacterial infection: risks, sources and interventions.

S J Wagner1

  • 1Biomedical Research and Development, American Red Cross, Rockville, MD 20855, USA. wagners@usa.redcross.org

Vox Sanguinis
|April 14, 2004
PubMed
Summary

Bacterial sepsis risk from blood transfusions remains high, exceeding viral risks. Strategies like improved donor prep and bacterial testing are crucial for reducing transfusion-associated infections.

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Area of Science:

  • Transfusion Medicine
  • Infectious Diseases
  • Public Health

Background:

  • Bacterial infection transmission via blood transfusion is a long-standing concern.
  • Despite advances in viral safety, bacterial sepsis risk has not significantly decreased since closed systems were adopted.
  • Data from French, British, and US regulatory bodies indicate sepsis risk surpasses that of HIV, HBV, and HCV.

Purpose of the Study:

  • To highlight the persistent risk of bacterial sepsis in blood transfusions.
  • To identify sources of contamination in blood collection and processing.
  • To propose interventions for mitigating transfusion-associated bacterial sepsis.

Main Methods:

  • Analysis of data from national haemovigilance studies (France, UK) and FDA fatality reports.

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  • Review of established knowledge on transfusion-transmitted infections.
  • Identification of contamination sources and potential preventative measures.

    • Main Results:

    • Clinically apparent bacterial sepsis risk from transfusion is greater than viral risks (HIV, HBV, HCV).
    • Contamination sources include donor skin, blood itself, collection disposables, and the environment.
    • Current closed collection systems have not eliminated bacterial contamination.

    Conclusions:

    • Reducing transfusion-associated bacterial sepsis requires multifaceted interventions.
    • Potential strategies include enhanced donor arm preparation, diversion of the initial blood collection, bacterial detection methods, and pathogen reduction technologies.