Dangerous universal donors: the reality of the Hemocentro in Belo Horizonte, Minas Gerais
ABSTRACT BACKGROUND: The term dangerous universal blood donor refers to potential agglutination of the erythrocytes of non-O recipients due to plasma of an O blood group donor, which contains high titers of anti-A and/or anti-B hemagglutinins. Thus, prior titration of anti-A and anti-B hemagglutin...
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doaj-4807590f425a442cb6cd2ba675c1a2842020-11-24T22:22:59ZengElsevierRevista Brasileira de Hematologia e Hemoterapia1806-087038319319810.1016/j.bjhh.2016.05.007S1516-84842016000300193Dangerous universal donors: the reality of the Hemocentro in Belo Horizonte, Minas GeraisMariana Martins GodinLucas de Oliveira SouzaLuciana Cayres SchmidtLauro Mello VieiraRejane Silva DinizLuci Maria SantAna DusseABSTRACT BACKGROUND: The term dangerous universal blood donor refers to potential agglutination of the erythrocytes of non-O recipients due to plasma of an O blood group donor, which contains high titers of anti-A and/or anti-B hemagglutinins. Thus, prior titration of anti-A and anti-B hemagglutinins is recommended to prevent transfusion reactions. OBJECTIVE: The aim of this study was to estimate the frequency of dangerous universal donors in the blood bank of Belo Horizonte (Fundação Central de Imuno-Hematologia - Fundação Hemominas - Minas Gerais) by determining the titers of anti-A and anti-B hemagglutinins in O blood group donors. METHOD: A total of 400 O blood group donors were randomly selected, from March 2014 to January 2015. The titers of anti-A and anti-B hemagglutinins (IgM and IgG classes) were obtained using the tube titration technique. Dangerous donors were those whose titers of anti-A or anti-B IgM were ≥128 and/or the titers of anti-A or anti-B IgG were ≥256. Donors were characterized according to gender, age and ethnicity. The hemagglutinins were characterized by specificity (anti-A and anti-B) and antibody class (IgG and IgM). RESULTS: Almost one-third (30.5%) of the O blood group donors were universal dangerous. The frequency among women was higher than that of men (p-value = 0.019; odds ratio: 1.66; 95% confidence interval: 1.08-2.56) and among young donors (18-29 years old) it was higher than for donors between 49 and 59 years old (p-value = 0.015; odds ratio: 3.05; 95% confidence interval: 1.22-7.69). There was no significant association between dangerous universal donors and ethnicity, agglutinin specificity or antibody class. CONCLUSION: Especially platelet concentrates obtained by apheresis (that contain a substantial volume of plasma), coming from dangerous universal donors should be transfused in isogroup recipients whenever possible in order to prevent the occurrence of transfusion reactions.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-84842016000300193&lng=en&tlng=enHemagglutininsIgMIgGDangerous universal donorHemolytic transfusion reaction |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Mariana Martins Godin Lucas de Oliveira Souza Luciana Cayres Schmidt Lauro Mello Vieira Rejane Silva Diniz Luci Maria SantAna Dusse |
spellingShingle |
Mariana Martins Godin Lucas de Oliveira Souza Luciana Cayres Schmidt Lauro Mello Vieira Rejane Silva Diniz Luci Maria SantAna Dusse Dangerous universal donors: the reality of the Hemocentro in Belo Horizonte, Minas Gerais Revista Brasileira de Hematologia e Hemoterapia Hemagglutinins IgM IgG Dangerous universal donor Hemolytic transfusion reaction |
author_facet |
Mariana Martins Godin Lucas de Oliveira Souza Luciana Cayres Schmidt Lauro Mello Vieira Rejane Silva Diniz Luci Maria SantAna Dusse |
author_sort |
Mariana Martins Godin |
title |
Dangerous universal donors: the reality of the Hemocentro in Belo Horizonte, Minas Gerais |
title_short |
Dangerous universal donors: the reality of the Hemocentro in Belo Horizonte, Minas Gerais |
title_full |
Dangerous universal donors: the reality of the Hemocentro in Belo Horizonte, Minas Gerais |
title_fullStr |
Dangerous universal donors: the reality of the Hemocentro in Belo Horizonte, Minas Gerais |
title_full_unstemmed |
Dangerous universal donors: the reality of the Hemocentro in Belo Horizonte, Minas Gerais |
title_sort |
dangerous universal donors: the reality of the hemocentro in belo horizonte, minas gerais |
publisher |
Elsevier |
series |
Revista Brasileira de Hematologia e Hemoterapia |
issn |
1806-0870 |
description |
ABSTRACT BACKGROUND: The term dangerous universal blood donor refers to potential agglutination of the erythrocytes of non-O recipients due to plasma of an O blood group donor, which contains high titers of anti-A and/or anti-B hemagglutinins. Thus, prior titration of anti-A and anti-B hemagglutinins is recommended to prevent transfusion reactions. OBJECTIVE: The aim of this study was to estimate the frequency of dangerous universal donors in the blood bank of Belo Horizonte (Fundação Central de Imuno-Hematologia - Fundação Hemominas - Minas Gerais) by determining the titers of anti-A and anti-B hemagglutinins in O blood group donors. METHOD: A total of 400 O blood group donors were randomly selected, from March 2014 to January 2015. The titers of anti-A and anti-B hemagglutinins (IgM and IgG classes) were obtained using the tube titration technique. Dangerous donors were those whose titers of anti-A or anti-B IgM were ≥128 and/or the titers of anti-A or anti-B IgG were ≥256. Donors were characterized according to gender, age and ethnicity. The hemagglutinins were characterized by specificity (anti-A and anti-B) and antibody class (IgG and IgM). RESULTS: Almost one-third (30.5%) of the O blood group donors were universal dangerous. The frequency among women was higher than that of men (p-value = 0.019; odds ratio: 1.66; 95% confidence interval: 1.08-2.56) and among young donors (18-29 years old) it was higher than for donors between 49 and 59 years old (p-value = 0.015; odds ratio: 3.05; 95% confidence interval: 1.22-7.69). There was no significant association between dangerous universal donors and ethnicity, agglutinin specificity or antibody class. CONCLUSION: Especially platelet concentrates obtained by apheresis (that contain a substantial volume of plasma), coming from dangerous universal donors should be transfused in isogroup recipients whenever possible in order to prevent the occurrence of transfusion reactions. |
topic |
Hemagglutinins IgM IgG Dangerous universal donor Hemolytic transfusion reaction |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-84842016000300193&lng=en&tlng=en |
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