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Related Experiment Videos

Leukapheresis and granulocyte transfusion.

J McCullough

    Archives of Pathology & Laboratory Medicine
    |February 1, 1978
    PubMed
    Summary

    Granulocyte transfusions, collected via centrifugation or nylon fiber adhesion, benefit patients with Gram-negative sepsis and low granulocyte counts. Transfusions may help other severe infections but are not recommended preventatively.

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    Area of Science:

    • Hematology
    • Transfusion Medicine

    Background:

    • Granulocyte collection methods have advanced, offering new options for transfusion therapy.
    • Donor safety is a key consideration, with evolving standards for selection and care.
    • Histocompatibility matching for granulocytes is desirable but requires improved testing methods.

    Purpose of the Study:

    • To review current methods for granulocyte collection and transfusion.
    • To assess the safety and efficacy of granulocyte transfusions.
    • To define appropriate clinical indications for granulocyte transfusion therapy.

    Main Methods:

    • Overview of four granulocyte collection techniques: centrifugation and reversible adhesion to nylon fibers.
    • Discussion of donor selection, care, and leukapheresis safety.
    • Review of crossmatching techniques, including leukoagglutination and histocompatibility testing.

    Main Results:

    • Granulocyte transfusions are beneficial for patients with Gram-negative sepsis and granulocyte counts below 500/cu mm for at least ten days.
    • Potential value for granulocytopenic patients with other severe infections.
    • No evidence supports prophylactic granulocyte transfusions or use in febrile granulocytopenic patients without infection.

    Conclusions:

    • Granulocyte collection methods are established and appear safe for donors.
    • Granulocyte transfusions are most effective in specific clinical scenarios, particularly Gram-negative sepsis.
    • Further development in histocompatibility testing is needed for optimal granulocyte transfusion compatibility.

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