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Table. Bacteria detected in red blood cell concentrates

Blood component Organism

Prevalence of bacteria

detected that causedcomplications

Packed Red Blood

Cells

Yersinia enterocolitica

 Pseudomonas fluorescens

 Pseudomonas putida

Treponema pallidum

Other bacteria  (including Serratia

liquefaciens)

51.0%

!.5%

".1%

".1%

1".#%

Platelets

Staphylococcus epidermidis

Salmonella choleraesuis

Serratia marcescens

Staphylococcus aureus

Bacillus cereus

Streptococcus viridans

Other bacteria

25 %

13.5 %

9.6 %

9.6 %

3.8 %

5.8 %

36.5 %

Criteria to diagnose transfusion-associated bacterial sepsis

1. $&R ≥ #'° C or increase in bod( temperature b( °C

. )hivering

#. *ach(cardia +≥ 10 beats per minute or increase b( , "0 bpm-

". Changes in s(stolic pressure +increase b( , #0 mm/g or decrease in comparisonto baseline values-

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