Volume 13, Issue 40 (Sep 2003)
J Mazandaran Univ Med Sci 2003, 13(40): 36-42 |
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Ëshghi P, Sanei moghaddam E, Mir masoudi M. Evaluation of alloimmunization in major B. thalassemic patients in Zahedan in 2001 . J Mazandaran Univ Med Sci 2003; 13 (40) :36-42
URL: http://jmums.mazums.ac.ir/article-1-770-en.html
URL: http://jmums.mazums.ac.ir/article-1-770-en.html
Abstract: (14915 Views)
Background and purpose: Ïncreasing transfusion need is one of the main problems in thalassemic pathients. Âlloimmunization is one of the most complicated causes of this problem which is an immunologic response to foreign antigens. Âccording to different studies, its frequency is 5% to 21% in major B-thalassemic patients. Âlloimmunization leads to decrease RBÇs life span, an so, demands for increasing frequency of blood transfusion. Main aim of this research was to study frequency of alloimmunization and to determine type of involved antigen. Reffering to the obtaind data, it could help us plan proper match transfusion and appropriate medication in detected patients. Detection of correlation between alloimmunization and the parameters such as, size of liver and spleen, gender, blood groups and annual mean Hb concentration were the other purposes of this study.
Materials and methods: Ïn this study, serum of 162 B- thalassemic patients with frequent transfusion( more than 240 cc/kg/yr) regardless of gender, age and type of transfusion(with and without leukocyte filter) were studied. Âlloimmunization was studied by normals saline, 22% albumin and antihuman globulin with screen 0-cell indicator methods. Âll of the cases under study were negative for alloimmunization. For confirmation, sera of 96 patients were sent to Tehran reference blood transfusion center, panel test was done, the results indicated no alloimmunization.
Results: Ïnspite of accurate performance of the tests and repeatation, there was no case of alloimmunization.
Çonclusion: Ïn contrast to the previous studies indicating the prevalence of alloimmanization in B- thalassemic patients as 5-21%, but the results of this study which were confirmed by reference laboratory showed that, there was no case of alloimmanization. Ït can be expressed that,there is antigenic similarity between blood donnars and recipients in close consanguinity of sistan and balochestan province.
Materials and methods: Ïn this study, serum of 162 B- thalassemic patients with frequent transfusion( more than 240 cc/kg/yr) regardless of gender, age and type of transfusion(with and without leukocyte filter) were studied. Âlloimmunization was studied by normals saline, 22% albumin and antihuman globulin with screen 0-cell indicator methods. Âll of the cases under study were negative for alloimmunization. For confirmation, sera of 96 patients were sent to Tehran reference blood transfusion center, panel test was done, the results indicated no alloimmunization.
Results: Ïnspite of accurate performance of the tests and repeatation, there was no case of alloimmunization.
Çonclusion: Ïn contrast to the previous studies indicating the prevalence of alloimmanization in B- thalassemic patients as 5-21%, but the results of this study which were confirmed by reference laboratory showed that, there was no case of alloimmanization. Ït can be expressed that,there is antigenic similarity between blood donnars and recipients in close consanguinity of sistan and balochestan province.
Type of Study: Research(Original) |
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