[Prevention of bacterial risk: pathogen inactivation/detection of bacteria]

P Morel1, C Naegelen, M Deschaseaux

  • 1Établissement français du sang (EFS) Bourgogne-Franche-Comté, BP 1937, 1, boulevard Alexander-Fleming, 25020 Besançon cedex, France. pascal.morel@efs.sante.fr

Insights

Bacterial contamination in platelet concentrates (PC) causes transfusion reactions. Enhanced prevention methods reduce risk, but bacterial detection using rapid tests is crucial for patient safety.

Area of Science:

  • Transfusion Medicine
  • Microbiology
  • Public Health

Background:

  • Bacterial contamination of blood products, particularly platelet concentrates (PC), poses the most significant infectious risk in blood transfusions.
  • While prevention methods like pre-donation screening and leukoreduction have reduced risks, transfusion-associated bacterial infections still cause fatalities annually.

Purpose of the Study:

  • To review the current strategies for preventing and detecting bacterial contamination in blood products.
  • To highlight the ongoing efforts by the French Blood Establishment (EFS) to further minimize bacterial risks in transfusions.

Main Methods:

  • Review of existing and emerging prevention strategies, including improved skin disinfection and pathogen inactivation methods.
  • Evaluation of bacterial detection methods for PC, comparing automated culture with newer rapid test alternatives.

Main Results:

  • Existing prevention measures have significantly decreased adverse events related to bacterial growth in blood products.
  • Automated culture is a common bacterial detection method, but rapid tests offer potential to avoid false negatives before PC delivery.

Conclusions:

  • Continuous improvement in prevention, such as enhanced skin disinfection, remains a priority for the EFS.
  • Rapid bacterial detection tests show promise for improving the safety of platelet concentrate transfusions by providing timely results.

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