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Related Experiment Videos

Sensitization 2001.

S Hardy1, S H Lee, P I Terasaki

  • 1Terasaki Foundation Laboratory, Los Angeles, California, USA.

Clinical Transplants
|September 6, 2002
PubMed
Summary
This summary is machine-generated.

Transfusion rates decreased, but sensitization, particularly in females and SLE patients, increased. More transfusions negatively impacted transplant outcomes, with rejection being a key factor in sensitization.

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Area of Science:

  • Nephrology
  • Immunology
  • Transplantation Medicine

Background:

  • Transfusion rates in kidney transplant patients have declined but remain significant.
  • Erythropoietin use has not eliminated the need for transfusions.
  • Certain patient demographics, including females and Systemic Lupus Erythematosus (SLE) patients, exhibit higher transfusion frequencies.

Purpose of the Study:

  • To analyze trends in blood transfusion rates and their impact on kidney transplant outcomes.
  • To investigate factors contributing to sensitization in kidney transplant recipients.
  • To evaluate the influence of sensitization and donor matching on graft survival.

Main Methods:

  • Retrospective analysis of kidney transplant data from 1992 to 2000.
  • Assessment of transfusion rates, sensitization markers, and graft survival.

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  • Evaluation of demographic factors (sex, disease) and transplant characteristics (re-graft, donor type, HLA matching) on outcomes.

    • Main Results:

    • Transfusion rates decreased from 64% to 36% but remained associated with poorer graft outcomes.
    • Kidney transplant rejection, followed by transfusion and pregnancy, significantly increased sensitization.
    • Females and SLE patients showed higher sensitization rates; regraft patients had lower graft survival.
    • Polycystic kidney disease patients had superior graft survival; HLA-DR mismatch impacted cadaver donor regrafts.

    Conclusions:

    • Despite declining rates, transfusions negatively affect kidney transplant outcomes and contribute to sensitization.
    • Understanding sensitization factors like rejection, transfusion, and pregnancy is crucial for improving graft survival.
    • Optimizing donor matching, particularly HLA-DR, is vital for regraft success, especially with cadaver donors.