Background And Objectives: The objective of this paper is to present 5 years' experience of pathogen inactivation of fresh-frozen plasma with the methylene blue system in a blood centre in Athens.
Materials And Methods: Eight thousand and five hundred units treated by methylene blue and 54 435 untreated were issued for transfusion in four hospitals during the period 2000-2005. Eighty-eight units were evaluated for changes in coagulation factor activity and cytokine concentrations following treatment.