PubMed · 16499580
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John Iacomini. 2006. Monitoring tolerance induction.. https://doi.org/10.1111/j.1399-3046.2006.00463.x
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Aplastic anemia (AA) is mediated by T-cell autoimmunity in the majority of cases; it is rare and mostly idiopathic in children. We describe a child, who developed AA following Graves' disease which could not be attributed to antithyroid drugs. We hypothesized that both diseases were caused by similar autoimmune process. We monitored the blood counts and did not administer any conventional treatment for AA assuming that the existing anti- hematopoietic stem cell humoral and cellular immunity might subside with induction of remission of Grave's disease. The child went into complete remission with the treatment of the Graves' disease.
Severe aplastic anemia is a well-recognized complication of fulminant non-A, non-B, and non-C hepatitis requiring orthotopic liver transplantation. The first line of therapy for cure in the treatment of aplastic anemia is a histocompatible bone marrow transplant. Immunosuppressive therapy is also effective if a histocompatible donor is not available. We describe two children who developed severe aplastic anemia following orthotopic liver transplant who achieved bone marrow recovery with a single course of anti-thymocyte globulin, solumedrol, and adjustments to their immunosuppressive therapy for prevention of liver allograft rejection.
Hematologic abnormalities following solid organ transplantation are infrequently autoimmune in origin. We present a series of autoimmune cytopenias developing as a late complication of pediatric cardiac transplantation. Autoimmune cytopenias represented include autoimmune hemolytic anemia, acquired Glanzmann thrombasthenia, and idiopathic thrombocytopenic purpura. Standard therapies were used in each patient without sustainable results. Eventually, each patient was treated with and responded to rituximab. In this report, we review these cases, propose potential mechanisms for development of autoimmune cytopenias, and discuss our experience with rituximab in managing refractory autoimmune cytopenias.