Abstract:
BACKGROUND:In Europe, buffy-coat processing allows for the use of platelet additive solutions (PAS). These solutions, however, have long been questioned for their lack of glucose, a potentially essential nutrient for platelet storage. Using a novel, practical, two-part system for incorporation of glucose into an additive solution (PAS-G), this study compares platelet storage in plasma to storage in PAS-G. STUDY DESIGN AND METHODS:A paired study design of platelet concentrates (PC) were prepared from leucoreduced pools of eight buffy coats (BCP) split into two equal pools, with suspension in autologous plasma, or PAS-G. On days 2, 5, 7 and 9 of storage, samples were tested using standard in vitro platelet parameters. Data were analysed by paired Student's t-tests. RESULTS:During storage, PCs in PAS-G maintain a quality profile that is strikingly similar to PCs stored in plasma in terms of platelet activation (CD62) morphology score, swirl, glucose metabolism and pH. However, PCs in PAS-G perform lower (P < 0.05) in the %ESC and %HSR assays. CONCLUSION:PAS-G's novel presentation allows incorporation of glucose into the additive solution so that it is roughly equivalent to plasma for the maintenance of buffy-coat PCs.
journal_name
Vox Sangjournal_title
Vox sanguinisauthors
Gyongyossy-Issa MI,Zhang JG,Culibrk B,Hunter F,Levin E,Scammell K,Weiss S,Holmes DL,Holme Sdoi
10.1111/j.1423-0410.2009.01196.xsubject
Has Abstractpub_date
2009-08-01 00:00:00pages
102-9issue
2eissn
0042-9007issn
1423-0410pii
VOX1196journal_volume
97pub_type
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