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  • Title: RBC Transfusion Strategy in Oncological Patients with Chronic RBC Transfusion Therapy.
    Author: Fang W, Pang C, Zhang F, Zhang H, Peng T, Liu M, Yu J, Zhao R, Cai J, Chen S, Li X.
    Journal: Clin Lab; 2023 Aug 01; 69(8):. PubMed ID: 37560861.
    Abstract:
    BACKGROUND: Red blood cell (RBC) transfusion therapy has greatly reduced mortality and morbidity in multiply transfused patients with oncological malignancies. The aim of this study was to underline the necessity of introducing a policy for extended RBC phenotyping of these patients and for the issuing of antigen-matched blood (at least for E antigen). METHODS: Multivariate logistic regression analysis was used to evaluate the associations of age, gender, transfusion history, and various malignancies with the development of red cell alloimmunization. RESULTS: Given the results of antibody identification, we finally obtained 732 cases to be analyzed, designating them as the p group. The respiratory system (231/732; 31.6%), digestive system (273/732; 37.3%), and female reproductive system (127/732; 17.3%) had the three highest alloimmunization rates in the p group. We screened 81 cases from the p group for which antibody screening in our laboratory had historically yielded negative results. Among the 81 cases with antibody seroconversion, anti-E was the most frequently observed antibody (37%). CONCLUSIONS: The results related to multivariate logistic regression analysis of the Rh group indicate that, in contrast to the other variates, transfusion confers a strongly increased risk of Rh blood system-related red cell alloimmunization. To reduce alloimmunization in tumor patients, it will be essential to introduce a policy for extended RBC phenotyping of high-risk patients and for the issuing of antigen-matched blood (at least for E antigen).
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