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Storage of red blood cells with improved maintenance of 2,3-bisphosphoglycerate
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Oncology, Radiology and Clinical Immunology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Oncology, Radiology and Clinical Immunology.
2006 (English)In: Transfusion, ISSN 0041-1132, E-ISSN 1537-2995, Vol. 46, no 9, 1543-1552 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: During storage, red blood cells (RBCs) rapidly lose 2,3-bisphosphoglycerate (2,3-DPG) leading to an increase in the affinity for O-2 and a temporary impairment of O-2 transport. Recent clinical evaluations indicate that the quality of transfused RBCs may be more important for patient survival than previously recognized.

STUDY DESIGN AND METHODS: Glucose-free additive solutions (ASs) were prepared with sodium citrate, sodium gluconate, adenine, mannitol, and phosphates at high pH, a solution that can be heat-sterilized. CP2D was used as an anticoagulant. Additional CP2D was added to the AS to supply glucose. RBCs were stored at 4 degrees C and assayed periodically for intracellular pH (pHi), extracellular pH, glucose, lactate, phosphate, ATP, 2,3-DPG, hemolysis, and morphology.

RESULTS: Storage in 175 mL of the chloride-free, hypotonic medium at a hematocrit (Hct) level of 59 to 60 percent resulted in an elevated pHi and the maintenance of 2,3-DPG at or above the initial value for 2 weeks without loss of ATP. The addition of 400 mL of storage solution followed by centrifugation and removal of 300 mL of excess solution to a Hct level of 60 to 66 percent further reduced the chloride concentration, resulting in the maintenance of 2,3-DPG for 4 weeks. Hemolysis was at 0.1 percent at 6 weeks.

CONCLUSION: Improvements in the maintenance of 2,3-DPG were achieved with 175 mL of a chloride-free storage solution with familiar additives at nontoxic concentrations to increase pHi. Adding, instead, 400 mL of storage solution followed by the removal of 300 mL reduced the chloride concentration, increasing the pHi and extending the maintenance of 2,3-DPG to 4 weeks.

Place, publisher, year, edition, pages
2006. Vol. 46, no 9, 1543-1552 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-25748DOI: 10.1111/j.1537-2995.2006.00893.xISI: 000240147000015PubMedID: 16965582OAI: oai:DiVA.org:uu-25748DiVA: diva2:53522
Available from: 2007-03-06 Created: 2007-03-06 Last updated: 2017-12-07Bibliographically approved

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Löf, Helena

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