Preparation of platelet concentrates after overnight hold at 20 degrees C. 1992

T Booth, and M M Hayward, and M D Brewer, and C Priday, and P M Trenchard
National Blood Transfusion Service (Wales), Rhydlafar, Cardiff, UK.

The clinical demand for platelet concentrates has increased dramatically in the last decade, and poses logistical problems for regional transfusion centres. Pietersz et al. (Vox Sang 1989; 56: 145-150) have shown that it is possible to prepare clinically effective platelet concentrates with substantially reduced white cell contamination, whilst maintaining satisfactory levels of factor VIII:C after holding whole blood at 20 degrees C overnight. This approach offers a method of production that will allow platelet concentrates to be prepared from potentially all donations collected, without resorting to extensive out-of-hours working. Following laboratory evaluation of the procedure we were able to reproduce Pietersz's findings, although hypotonic shock response results were less favourable than observed in our routine platelet concentrates.

UI MeSH Term Description Entries
D010983 Plateletpheresis The preparation of platelet concentrates with the return of red cells and platelet-poor plasma to the donor. Blood Plateletpheresis,Thrombocytapheresis,Thrombocytopheresis,Blood Plateletphereses,Plateletphereses,Plateletphereses, Blood,Plateletpheresis, Blood,Thrombocytaphereses,Thrombocytophereses
D003080 Cold Temperature An absence of warmth or heat or a temperature notably below an accustomed norm. Cold,Cold Temperatures,Temperature, Cold,Temperatures, Cold
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013048 Specimen Handling Procedures for collecting, preserving, and transporting of specimens sufficiently stable to provide accurate and precise results suitable for clinical interpretation. Specimen Collection,Collection, Specimen,Collections, Specimen,Handling, Specimen,Handlings, Specimen,Specimen Collections,Specimen Handlings
D013995 Time The dimension of the physical universe which, at a given place, orders the sequence of events. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Effects, Long-Term,Effects, Longterm,Long-Term Effects,Longterm Effects,Effect, Long-Term,Effect, Longterm,Effects, Long Term,Long Term Effects,Long-Term Effect,Longterm Effect

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