Widing L, Bechensteen AG, Mirlashari MR, Vetlesen A, Kjeldsen-Kragh J. Evaluation of nonleukoreduced red blood cell transfusion units collected at delivery from the placenta.
Transfusion 2007;
47:1481-7. [PMID:
17655592 DOI:
10.1111/j.1537-2995.2007.01287.x]
[Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND
The objective of this study was to evaluate the suitability of cord blood (CB) as a source of red blood cells (RBCs) for autologous transfusion.
STUDY DESIGN AND METHODS
CB was collected in 150-mL storage containers with citrate phosphate dextrose (CPD) as anticoagulant and stored in either saline, adenine, glucose, and mannitol (SAG-M; n = 18) or phosphate, adenine, glucose, guanosine, saline, and mannitol (PAGGS-M; n = 18) for 35 days at 4 degrees C. Hematologic status and hemolysis were studied. The lipopolysaccharide (LPS)-induced production of tumor necrosis factor (TNF)-alpha and transforming growth factor (TGF)-beta1 from CB monocytes was analyzed after incubation with addition of weekly sampled supernatants from the CB RBC units. Five additional units (PAGGS-M) were leukoreduced and thereafter analyzed as indicated above.
RESULTS
Hemolysis increased significantly over time, in SAG-M more than in PAGGS-M. During storage in both media, the number of white blood cells (WBCs) decreased, and the LPS-induced production of TNF-alpha and TGF-beta1 decreased and increased, respectively. There were no significant changes in the LPS-induced production of TNF-alpha and TGF-beta1 in the leukoreduced CB RBC units.
CONCLUSION
Hemolysis in CB RBC units increased significantly over time, and PAGGS-M appears to be superior to SAG-M as a preservation solution for CB RBC. The changes in LPS-induced TNF-alpha and TGF-beta1 production over time were probably caused by substances released from apoptotic and/or necrotic WBCs. Further studies are needed to identify both which substances are responsible for the changes in LPS-induced cytokine release and the clinical significance hereof.
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