Abstract:
BACKGROUND:The de novo development of anti-D after D-mismatched allogeneic hematopoietic stem cell transplantation (AHSCT) is a possibility that must be considered. The transfusion of D- blood components after AHSCT has been recommended but anti-D alloimmunization in this setting has been studied little. Thus, the aim of this study was to analyze anti-D formation after D-mismatched AHSCT. STUDY DESIGN AND METHODS:Thirty patients with a hematologic disease who underwent D-mismatched AHSCT were retrospectively studied. Support therapy included red blood cells (RBCs) and platelet (PLT) concentrates (PCs) from whole-blood donations and PLTs from apheresis. After AHSCT, patients received D+ PCs without administering Rh immunoglobulin (RhIG). An antibody screening to detect anti-D was performed by low-ionic-strength saline-indirect antiglobulin test with the tube test. RESULTS:Fifteen D+ patients received stem cells (SCs) of D- donors and 15 D- patients received SCs of D+ donors. After AHSCT, patients received a median of 11.5 (range, 0-32) D- RBC units. D+ patients received 682 (83%) of 825 PLT units from D+ donors, and D- patients received 573 (85%) of 678 PLT units from D+ donors. None of the 30 patients developed anti-D after a median follow-up of 32 weeks (range, 4-310 weeks). CONCLUSION:Anti-D alloimmunization after performing a D-mismatched AHSCT is infrequent in patients with hematologic diseases although patients receive D-mismatched PLT transfusions without RhIG administration.
journal_name
Transfusionjournal_title
Transfusionauthors
Cid J,Lozano M,Fernández-Avilés F,Carreras E,Pereira A,Mazzara R,Ordinas Adoi
10.1111/j.1537-2995.2006.00698.xsubject
Has Abstractpub_date
2006-02-01 00:00:00pages
169-73issue
2eissn
0041-1132issn
1537-2995pii
TRF00698journal_volume
46pub_type
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