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Related Experiment Videos

Survey on pretransfusion testing

L M Maffei1, S T Johnson, I A Shulman

  • 1Templin Management Associates, San Diego, California, USA.

Transfusion
|May 22, 1998
PubMed
Summary
This summary is machine-generated.

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Blood banks primarily use monoclonal reagents for ABO and blended reagents for Rh testing. Antibody screening and crossmatch methods vary, influenced by facility size and type, allowing peer comparison of pretransfusion testing practices.

Area of Science:

  • Transfusion Medicine
  • Clinical Laboratory Science
  • Hematology

Background:

  • Pretransfusion testing is crucial for patient safety.
  • Diverse reagents and methods are employed in US hospitals and blood centers.

Purpose of the Study:

  • To survey current reagents and methods in pretransfusion testing.
  • To determine the prevalence of different testing approaches.
  • To identify factors influencing method selection.

Main Methods:

  • A national survey was distributed to blood bank associations.
  • Surveys were disseminated to hospitals and blood centers.
  • Data were collected, entered into a database, and analyzed.

Main Results:

Related Experiment Videos

  • Monoclonal reagents are dominant for ABO testing; blended reagents for Rh testing.
  • Anti-IgG and polyclonal antihuman globulin reagents are equally used for antibody screening.
  • Most facilities use a three-cell antibody screen; over 50% use immediate-spin crossmatch when no unexpected antibodies are present.

Conclusions:

  • Multiple approved reagents and methods are in use for pretransfusion testing.
  • Facility characteristics significantly influence the choice of testing strategies.
  • The survey facilitates comparison of laboratory practices among peers.