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Related Experiment Videos

Allosensitization in patients receiving multiple blood transfusions.

V S Sakhalkar1, K Roberts, L M Hawthorne

  • 1Department of Pediatrics, Louisiana State University Health Science Center at Shreveport, Feist-Weiller Cancer Center, 1501 Kings Hwy., P.O. Box 33932, Shreveport, LA 71130-3932, USA. Vishwas@pol.net

Annals of the New York Academy of Sciences
|December 13, 2005
PubMed
Summary
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Extended antigen matching for C, E, and K reduced alloantibody and autoantibody formation in sickle cell disease patients. However, this approach increases costs and resource utilization for packed red blood cells.

Area of Science:

  • Immunology
  • Transfusion Medicine
  • Hematology

Background:

  • Sickle cell disease patients often require multiple transfusions, increasing risks of alloimmunization.
  • Alloantibody (alloAB) and autoantibody (autoAB) formation can lead to transfusion reactions and complications.
  • Extended antigen matching aims to prevent alloimmunization but may have resource implications.

Purpose of the Study:

  • To evaluate the impact of extended C, E, and K antigen matching on alloantibody and autoantibody formation in multiply transfused sickle cell disease patients.
  • To assess the resource utilization and costs associated with extended CEK matching.

Main Methods:

  • Retrospective analysis of transfusion data for sickle cell disease patients.
  • Comparison of alloantibody and autoantibody incidence between standard and extended antigen-matched transfusions.

Related Experiment Videos

  • Cost-effectiveness analysis of CEK antigen matching.

    • Main Results:

    • Extended C, E, K antigen matching significantly decreased alloantibody and autoantibody formation.
    • Transfusion reactions were eliminated in patients receiving CEK-matched packed red blood cells (pRBCs).
    • CEK matching led to increased use of Rh-negative pRBCs, additional technologist time, and higher reagent costs per unit.

    Conclusions:

    • Extended CEK antigen matching is effective in preventing alloantibody and autoantibody formation and transfusion reactions in multiply transfused sickle cell disease patients.
    • The benefits of reduced alloimmunization must be weighed against the increased costs and resource demands of CEK matching.