In patients undergoing hematopoietic stem cell transplantation (HSCT), refractoriness to platelet transfusion has been associated with graft failure, delayed engraftment, early mortality and decreased overall survival. Therapeutic strategies include plasma exchange, immunoglobulins, rituximab, and splenectomy. We describe here three patients with refractoriness to platelet transfusion due to anti-human leukocyte antibodies who were splenectomized before HSCT (two cases) and after HSCT (one case) due to the lack of efficacy of other therapies. Splenectomy was uneventful. All three patients achieved a full donor engraftment. We suggest that splenectomy is feasible and effective in HSCT patients to reduce the risk of graft failure or delayed engraftment.

The Use of Splenectomy to Manage Platelet Transfusion Refractoriness due to Anti-Human Leukocyte Antibodies in Allogeneic Stem Cell Transplantation

Mauro, Margherita;CAMOGLIO, Francesco Saverio;PICCOLI, PIERLUIGI;BALTER, RITA;Pegoraro, Anna;CESARO, SIMONE
2016

Abstract

In patients undergoing hematopoietic stem cell transplantation (HSCT), refractoriness to platelet transfusion has been associated with graft failure, delayed engraftment, early mortality and decreased overall survival. Therapeutic strategies include plasma exchange, immunoglobulins, rituximab, and splenectomy. We describe here three patients with refractoriness to platelet transfusion due to anti-human leukocyte antibodies who were splenectomized before HSCT (two cases) and after HSCT (one case) due to the lack of efficacy of other therapies. Splenectomy was uneventful. All three patients achieved a full donor engraftment. We suggest that splenectomy is feasible and effective in HSCT patients to reduce the risk of graft failure or delayed engraftment.
allogeneic stem cell transplantation; alloimmunized patients; anti-HLA; splenectomy; transfusion refractoriness
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11562/944770
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