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2016, Number 2

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Rev Hematol Mex 2016; 17 (2)

Prevalence of Kell (K+) antigen in samples of a blood bank

Chargoy-Vivaldo E, Azcona-Cruz MI, Ramírez-Ayala R

Language: Spanish
References: 19
Page: 114-122
PDF size: 342.66 Kb.


ABSTRACT

Background: According to the provisions of the International Society of Blood Transfusion (ISBT), there are about 287 antigens that give rise to various groups. The knowledge of the presence of antigens in erythrocytes is helpful in terms of ethnic breakdown, for handling databases donors in blood banks, or to provide information on blood incompatibility of patients with various alloantibodies. The Kell blood group system is the most polymorphic third known so far, and one of the most clinically relevant with respect to the development of immune reactions. In Mexico there are limited data on the frequency of Kell antigen studies.
Objetive: To determine the prevalence of Kell antigen in blood samples obtained from volunteer donors attending the blood bank of the Regional Hospital Presidente Juárez, Oaxaca, Mexico.
Material and Method: An observational, cross-sectional and descriptive study in which participated volunteer donors who attended the blood bank. Antigenic determination was made of ABO, Rh groups and Kell antigen.
Results: RhD positive rate was 99%, blood type O was 77% and 2% with Kell antigen.
Conclusion: Prevalence of Kell antigen was only of 2%. The knowledge about these characteristics of the population of volunteer donors will allow better results in blood transfusion.


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