title: Exploratory studies of extended storage of apheresis platelets in a platelet additive solution (PAS).
abstract: To evaluate the poststorage viability of apheresis platelets stored for up to 18 days in 80% platelet additive solution (PAS)/20% plasma, 117 healthy subjects donated platelets using the Haemonetics MCS+, COBE Spectra (Spectra), or Trima Accel (Trima) systems. Control platelets from the same subjects were compared with their stored test PAS platelets by radiolabeling their stored and control platelets with either (51)chromium or (111)indium. Trima platelets met Food and Drug Administration poststorage platelet viability criteria for only 7 days vs almost 13 days for Haemonetics platelets; ie, platelet recoveries after these storage times averaged 44 ± 3% vs 49 ± 3% and survivals were 5.4 ± 0.3 vs 4.6 ± 0.3 days, respectively. The differences in storage duration are likely related to both the collection system and the storage bag. The Spectra and Trima platelets were hyperconcentrated during collection, and PAS was added, whereas the Haemonetics platelets were elutriated with PAS, which may have resulted in less collection injury. When Spectra and Trima platelets were stored in Haemonetics' bags, poststorage viability was significantly improved. Platelet viability is better maintained in vitro than in vivo, allowing substantial increases in platelet storage times. However, implementation will require resolution of potential bacterial overgrowth during storage.
authors.affiliation: Puget Sound Blood Center, Seattle, WA; and.
authors.forename: Sherrill J
authors.initials: SJ
authors.lastname: Slichter
authors.forename: Jill
authors.initials: J
authors.lastname: Corson
authors.forename: Mary Kay
authors.initials: MK
authors.lastname: Jones
authors.forename: Todd
authors.initials: T
authors.lastname: Christoffel
authors.forename: Esther
authors.initials: E
authors.lastname: Pellham
authors.forename: S Lawrence
authors.initials: SL
authors.lastname: Bailey
authors.forename: Doug
authors.initials: D
authors.lastname: Bolgiano
mesh_terms: D001792:Blood Platelets / Q000502:physiology; D001793:Blood Preservation / Q000379:methods; D002245:Carbon Dioxide / Q000378:metabolism; D002470:Cell Survival; D005947:Glucose / Q000378:metabolism; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010101:Oxygen Consumption; D010949:Plasma / Q000737:chemistry; D010983:Plateletpheresis; D011786:Quality Control; D012996:Solutions / Q000737:chemistry; D013997:Time Factors
chemical_list: D012996:Solutions; D002245:Carbon Dioxide; D005947:Glucose