BACKGROUND AND OBJECTIVES: Extension of storage of leucocyte-reduced platelet concentrates (LR-PCs) to 7 days has recently been introduced, but the effect of gamma irradiation on in vitro parameters was unknown. MATERIALS AND METHODS: A paired experiment was carried out, with gamma irradiation on day 1 or day 5 with 25 Gy, and no irradiation served as a reference. RESULTS: Measurements during storage up to 8 days after blood collection showed no significant differences of irradiated LR-PCs vs. the control. CONCLUSIONS: Irradiation, either on day 1 or day 5, had no effect on platelet quality during a 7-day storage period.
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Meer et al. (2005) studied this question.
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