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Extended storage of single-donor apheresis platelets in CLX blood bags: effect of storage on platelet morphology, viability and in vitro function. 1988

D M Kenney, and J J Peterson, and J W Smith
Center for Blood Research, Boston, Mass.

A CLX (Cutter Laboratories, Berkeley, Calif.) bag system was evaluated for storage of single-donor apheresis platelets collected with the Haemonetics V-50 blood processor. Concentrates (n = 21) containing 3.9-5.2 x 10(11) platelets in 292 (+/- 41.8) ml were stored in two 1-liter bags for 7 days at 22 degrees C. pH was well maintained, declining from an initial pH of 7.0 (+/- 0.04) to 6.92 (+/- 0.20) after 7 days. Platelet morphology, response to a hypotonic stimulus and aggregation induced by paired agonists (epinephrine and ADP, or collagen) were also well-preserved. Concentrates with a wide variation of platelet yields (2.0 greater than or equal to 5.2 x 10(11), n = 43) also maintained pH (6.96 +/- 0.26), morphology and aggregation when stored for 7 days. All platelet concentrates (n = 64) were sterile at collection. Single-donor apheresis platelets may be stored in this bag system for up to 7 days.

UI MeSH Term Description Entries
D008297 Male Males
D008855 Microscopy, Electron, Scanning Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY. Scanning Electron Microscopy,Electron Scanning Microscopy,Electron Microscopies, Scanning,Electron Microscopy, Scanning,Electron Scanning Microscopies,Microscopies, Electron Scanning,Microscopies, Scanning Electron,Microscopy, Electron Scanning,Microscopy, Scanning Electron,Scanning Electron Microscopies,Scanning Microscopies, Electron,Scanning Microscopy, Electron
D010974 Platelet Aggregation The attachment of PLATELETS to one another. This clumping together can be induced by a number of agents (e.g., THROMBIN; COLLAGEN) and is part of the mechanism leading to the formation of a THROMBUS. Aggregation, Platelet
D010976 Platelet Count The number of PLATELETS per unit volume in a sample of venous BLOOD. Blood Platelet Count,Blood Platelet Number,Platelet Number,Blood Platelet Counts,Blood Platelet Numbers,Count, Blood Platelet,Count, Platelet,Counts, Blood Platelet,Counts, Platelet,Number, Blood Platelet,Number, Platelet,Numbers, Blood Platelet,Numbers, Platelet,Platelet Count, Blood,Platelet Counts,Platelet Counts, Blood,Platelet Number, Blood,Platelet Numbers,Platelet Numbers, Blood
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
D001781 Blood Component Removal Any procedure in which blood is withdrawn from a donor, a portion is separated and retained, at the same time the remainder is returned to the donor. Apheresis,Pheresis,Aphereses,Blood Component Removals,Phereses,Removal, Blood Component
D001792 Blood Platelets Non-nucleated disk-shaped cells formed in the megakaryocyte and found in the blood of all mammals. They are mainly involved in blood coagulation. Platelets,Thrombocytes,Blood Platelet,Platelet,Platelet, Blood,Platelets, Blood,Thrombocyte
D001793 Blood Preservation The process by which blood or its components are kept viable outside of the organism from which they are derived (i.e., kept from decay by means of a chemical agent, cooling, or a fluid substitute that mimics the natural state within the organism). Blood Preservations,Preservation, Blood,Preservations, Blood
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D005260 Female Females

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