Infectious morbidity in long-term survivors of allogeneic marrow transplantation is associated with low CD4 T cell counts

Am J Hematol. 1997 Feb;54(2):131-8. doi: 10.1002/(sici)1096-8652(199702)54:2<131::aid-ajh6>;2-y.


Survivors of allogeneic marrow transplants are immunodeficient for at least 1 year after grafting. Multiple defects of immunity have been found; however, it is not known which defect primarily accounts for the high infectious morbidity of these patients. Twenty-nine allograft recipients who were in complete remission of the original disease were examined for the following parameters of immunity at 1 year after transplant: infection score (gauging the number and severity of infections within the 6 months prior to the annual exam), serum total IgM, IgG, and IgA, anti-Haemophilus influenzae IgG, anti-Streptococcus pneumoniae IgG, skin test reactivity, and the blood counts of B cells, CD4+ T cells, CD8+ T cells, and their subsets. THe only parameter inversely correlated with the infection score was CD4+ T cell count (P = 0.005 in univariable analysis, P = 0.06 in multivariable analysis). We conclude that infectious morbidity of long-term transplant survivors is related to the reconstitution of CD4+ T cells.

Publication types

  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Adolescent
  • Adult
  • Bone Marrow Transplantation*
  • CD4-Positive T-Lymphocytes / pathology*
  • Female
  • Follow-Up Studies
  • Humans
  • Infections / epidemiology*
  • Lymphocyte Count
  • Male
  • Middle Aged
  • Morbidity
  • Survival Analysis
  • Time Factors
  • Transplantation, Homologous