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Haematologia , Vol. 31, No. 3, pp. 257– 261 (2001) Ó VSP 2001. Paper HLA immunization of haemodialysed patients in the transfusion and the erythropoietin eras J. TOLDI ¤ and GY. GÁL Regional Transfusion Centre of the National Blood Transfusion Service, Szeged, Hungary Abstract —The frequency of transfusions and the development of HLA alloimmunization in the years 1986 and 1995, representing the ‘transfusion era’ and the ‘erythropoietin era’, have been compared. The introduction of erythropoietin was found to reduce the need for transfusion in haemodialysed patients on the waiting list from 65.2% to 5.7%. The elimination of transfusions resulted in a decrease in HLA immunization from 56.5% to 35%. In those patients who were still immunized, antibody production was probably caused either by immunomodulation or by transfusions given to treat complications. Erythropoietin could be used instead of transfusions in almost all cases, except for complications involving severe bleeding. Key words : Erythropoietin; haemodialysed patients; HLA immunization; transfusion. INTRODUCTION Until 1990, the only effective treatment for severe anaemia associated with chronic renal insuf ciency was transfusion. As a result of transfusions, the immune system of the patient often forms antibodies in response to the presence of foreign structures in
Haematologia – Brill
Published: Jan 1, 2001
Keywords: TRANSFUSION; ERYTHROPOIETIN; HAEMODIALYSED PATIENTS; HLA IMMUNIZATION
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