Sunday, May 23, 2010

Risk of PTLD post transplant?

Why and when is someone with a kidney transplant prone to get PTLD?
PTLD is a lymphoproliferative disorder that occurs because of impaired T-cell immunity after solid-organ or allogeneic stem cell transplant. 90% of the time these are EBV associated.

What are the risk factors for development of PTLD?
1. EBV-negative serostatus at time of transplant
2. Mismatching EBV-negative recipients with EBV positive donors
3. Intestinal Transplants have the highest incidence, then heart-lung, lung, heart, liver and then kidney
4. Children
5. Simultaneous CMV infection within 1 year of transplant
6. Certain HLA subtypes.

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