Biochemical and cellular markers differentiate recovered, in-line filtered plasma, and plasma obtained by apheresis methods.

Vox Sanguinis
Jürgen SiekmannPeter L Turecek

Abstract

Assessment of plasma quality often focuses on the common safety tests for minimizing the risk of transmitting blood-borne pathogens. Little attention is paid to the possible quality attributes that ensure a consistent biochemical composition of plasma for fractionation. We therefore investigated the suitability of selected biochemical and haematological attributes that could be used as markers of plasma quality obtained by different separation and pre-treatment procedures. We characterized six plasma types, including source plasma, plasma recovered by classic means and in-line filtered plasma, by determining the analytical attributes protein content, coagulation factors and markers of coagulation, contact and complement activation. Residual cell content and cell-specific variables were also measured. We found relevant differences between the plasma types in complement activation, as indicated by C3a measurements, while thrombin antithrombin complex values and, to a minor extent, activated factor XII concentrations indicated only moderate differences in activation levels of coagulation and contact systems. The most striking differences, however, were detected in residual cell content and concentrations of the platelet-associated...Continue Reading

References

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Citations

Jul 31, 2021·Vox Sanguinis·Albert Farrugia
Jul 31, 2021·Vox Sanguinis·Jürgen SiekmannPeter L Turecek

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