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Immunological changes following posttraumatic splenectomy

M Westerhausen, O Wörsdörfer, U Gessner

    Blut
    |December 1, 1981
    PubMed
    Summary
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    Splenectomy impacts immune cells. Blood lymphocytes show increased surface immunoglobulins and reduced E-rosette formation, with lower serum IgM levels observed in patients years after spleen removal.

    Area of Science:

    • Immunology
    • Hematology
    • Surgical Pathology

    Background:

    • The spleen plays a crucial role in immune system regulation and lymphocyte processing.
    • Splenectomy, the surgical removal of the spleen, can lead to long-term alterations in immune function.

    Purpose of the Study:

    • To investigate the long-term effects of splenectomy on blood lymphocyte populations and serum immunoglobulin levels.
    • To analyze changes in surface immunoglobulin-bearing lymphocytes and E-rosette forming lymphocytes post-splenectomy.

    Main Methods:

    • Analysis of blood lymphocytes and serum immunoglobulins in 31 individuals 1-11 years after splenectomy.
    • Quantification of surface immunoglobulin-bearing lymphocytes.
    • Assessment of E-rosette forming lymphocytes using a combined test assay.

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    Main Results:

    • A significant increase in surface immunoglobulin-bearing lymphocytes was observed.
    • A notable reduction in E-rosette forming lymphocytes was detected, particularly in the combined test assay.
    • Serum levels of immunoglobulin M (IgM) were found to be reduced.

    Conclusions:

    • Splenectomy leads to distinct alterations in lymphocyte populations and immunoglobulin levels.
    • The diminished E-rosette formation may be attributed to a loss of the spleen's reticuloendothelial system (RES) surface-restoring effect.
    • These findings highlight the lasting immunological consequences of splenectomy.