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Improved in vitro quality of stored red blood cells upon oxygen reduction prior to riboflavin/UV light treatment of whole blood
Author(s) -
Schubert Peter,
Culibrk Brankica,
Chen Deborah,
Serrano Katherine,
Levin Elena,
Chen Zhongming,
Zoescher Peter,
Goodrich Raymond P.,
Yoshida Tatsuro,
Devine Dana V.
Publication year - 2019
Publication title -
transfusion
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.045
H-Index - 132
eISSN - 1537-2995
pISSN - 0041-1132
DOI - 10.1111/trf.15485
Subject(s) - deoxygenation , riboflavin , hemolysis , in vitro , red blood cell , chemistry , reactive oxygen species , andrology , food science , medicine , biochemistry , immunology , catalysis
BACKGROUND The application of riboflavin/UV‐based pathogen inactivation (PI) to whole blood (WB) is currently limited by its negative impact on red blood cell (RBC) quality. The generation of reactive oxidative species in RBC products contributes to increased hemolysis. This study evaluated the impact of deoxygenation of WB prior to riboflavin/UV light treatment versus deoxygenation of RBC concentrates after PI treatment by monitoring RBC in vitro quality parameters. STUDY DESIGN AND METHODS Six ABO‐matched WB units were pooled and split. Within three pairs, one unit was treated with riboflavin/UV light while the other was kept as an untreated control prior to manufacture into red cell concentrates (RCCs). The first pair (Cntr; Cntr‐PI) served as the normoxic controls. Deoxygenation was performed at the RCC level for the second pair (RCCdeox; PI‐RCCdeox), and at the WB level of the third pair (WBdeox; WBdeox‐PI). In vitro qualities of the respective RBC units were assessed throughout storage. RESULTS The data for the Cntr and Cntr‐PI units were comparable to previous reports. The PI‐RCCdeox units exhibited worse in vitro quality for most parameters tested compared to Cntr‐PI and WBdeox‐PI units throughout storage. Hemolysis and microvesicle release was significantly (p < 0.05) higher on Days 21 and 42 in Cntr‐PI units compared to WBdeox‐PI units. CONCLUSION WB deoxygenation may help to decrease the accelerated deterioration in RCC in vitro quality caused by treatment with riboflavin/UV light. Treatment of WB under reduced oxygen levels needs to be assessed for PI effectiveness.