2003
DOI: 10.1046/j.1537-2995.2003.00303.x
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Long‐term production of pre‐existing alloantibodies to E and c after allogenic BMT in a patient with aplastic anemia resulting in delayed hemolytic anemia

Abstract: It is likely that the long-term production of alloantibodies is due to the existence of long-lived recipient plasma cells, which survive the conditioning regimen. This case suggests that patients with pre- existing alloantibodies that do not belong to the ABO system should be carefully followed up after BMT.

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Cited by 21 publications
(19 citation statements)
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“…However, long-term follow-up is needed since immunohematological complications may develop even many years after BMT. 32 Immunohematological follow-up is also important for monitoring marrow engraftment and disease status. In fact, following an ABO-matched BMT, it is possible to identify a chimeric antigen of Rh or other red cell group systems whose appearance/disappearance in the post transplant period gives the opportunity to evaluate the marrow engraftment.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…However, long-term follow-up is needed since immunohematological complications may develop even many years after BMT. 32 Immunohematological follow-up is also important for monitoring marrow engraftment and disease status. In fact, following an ABO-matched BMT, it is possible to identify a chimeric antigen of Rh or other red cell group systems whose appearance/disappearance in the post transplant period gives the opportunity to evaluate the marrow engraftment.…”
Section: Discussionmentioning
confidence: 99%
“…Rh system Anti-D, -C, -c, -E Delayed hemolytic anemia, 13,21,32 which may be severe after major Rh-mismatched grafts. 15 Passenger lymphocyte syndrome 7 and chronic hemolysis (in the case of persistence of mixed chimerism) 8 have also been described Kell system Anti-Kell Delayed hemolytic anemia 25,28 Kidd system Anti-JK a , -JK b Severe acute hemolytic anemia with intravascular hemolysis (passenger lymphocyte syndrome), 6,29 delayed hemolytic anemia 25 …”
Section: Mechanism Of Hemolysismentioning
confidence: 99%
“…9 Even when peripheral circulating B cells are solely of donor origin, hemolysis may be mediated by long-term production of antibodies by long-living recipient plasma cells, which survive the conditioning regimen, as was observed from 1-20 months after allogeneic BMT. 10 We conclude that patients with RhD-mismatch transplanted from donors with pre-existing anti-RhDalloantibodies may quickly eliminate recipient-type erythrocytes and should be carefully followed-up for…”
mentioning
confidence: 88%
“…When alloantibodies against RBCs are produced by the post-transplantation immune system, the antibodies may persist for several years, 68 and they may be produced by the engrafted cells of the immune system of the donor [69][70][71] or by the residual cells of the immune system of the recipient. 68,72,73 The antibodies produced may be against donor RBCs, residual recipient RBCs, or, in some cases, both. The incidence of alloantibody formation against minor RBC antigens ranges from 2.1% to 3.7% in the published literature.…”
Section: Minor Mismatchesmentioning
confidence: 99%