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Platelet concentrates: reducing the risk of transfusion-transmitted bacterial infections

Authors de Korte D, Marcelis J

Received 19 March 2014

Accepted for publication 1 May 2014

Published 26 June 2014 Volume 2014:2 Pages 29—37

DOI https://doi.org/10.2147/IJCTM.S40037

Checked for plagiarism Yes

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Peer reviewer comments 4


Dirk de Korte,1 Jan H Marcelis2

1Department of Product and Process Development, Sanquin Blood Bank, Amsterdam, 2Department of Microbiology, St Elisabeth Hospital, Tilburg, the Netherlands

Abstract: The introduction of a combination of interventions during collection of whole-blood or platelet concentrates has been successful in lowering the degree of bacterial contamination in the final product, the platelet concentrate, by 50%–75%. These interventions were improved donor questionnaires, best-practice skin disinfection, and diversion of first blood volume. These interventions have reduced the number of bacteria present in the platelet concentrates. In combination with screening for bacterial contamination of platelet concentrates with a culture method, the degree of transfusion-transmitted bacterial infection has been reduced significantly. Due to the very low initial bacteria counts upon collection of the products, the need for improved sensitivity of early screenings tests or highly selective point-of-issue tests remains. The latter should be rapid and easy to perform. An alternative approach might be the implementation of pathogen-inactivation methods for cellular blood products to reduce the amount of pathogens. However, these methods are costly, and so far not proved to be cost-effective, especially in countries with an already-low incidence of transfusion-transmitted infections by viruses, parasites, or bacteria.

Keywords: blood products, bacterial contamination, screening, point of issue, pathogen inactivation

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