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Related Experiment Videos

Transfusion-associated graft versus host disease.

Chris Parshuram1, John Doyle, Wendy Lau

  • 1Department of Paediatric Critical Care Medicine, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada.

Pediatric Critical Care Medicine : a Journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies
|June 10, 2003
PubMed
Summary

Transfusion-associated graft-versus-host disease (TA-GVHD) is a preventable, fatal complication in critically ill children. Irradiation of cellular blood products is the primary prevention method.

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Area of Science:

  • Pediatric Critical Care Medicine
  • Hematology
  • Immunology

Background:

  • Transfusion-associated graft-versus-host disease (TA-GVHD) is a rare but severe complication of cellular blood product transfusions.
  • It occurs when transfused lymphocytes engraft and attack the recipient's tissues.
  • Critically ill children are particularly vulnerable due to their often-compromised immune systems.

Purpose of the Study:

  • To review the epidemiology, pathophysiology, and management strategies for TA-GVHD.
  • To specifically address the relevance of these findings to the critically ill pediatric population.
  • To highlight preventive measures crucial for this vulnerable group.

Main Methods:

  • A comprehensive review of published medical literature on TA-GVHD.

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  • Searches included Medline, bibliographies, and national/institutional guidelines.
  • Inclusion of original publications, case reports, and laboratory/animal studies.

    • Main Results:

    • Identified key risk factors for TA-GVHD in children, including immunodeficiency, young age, and transfusion of family-donated or fresh whole blood.
    • Highlighted that neonates, infants, and children with congenital heart disease are at risk.
    • Confirmed that blood product irradiation is the sole established method for TA-GVHD prevention.

    Conclusions:

    • Pediatric critical care providers must recognize TA-GVHD as a preventable transfusion complication.
    • Risk identification and targeted prevention, primarily through blood product irradiation, are essential.
    • Transfusion guidelines should balance TA-GVHD prevention costs with incidence rates.