An inhibition technique using soluble AB group substances for screening
of ‘immune’ anti-A and anti-B allo-antibodies has been set up on Groupamatic
®. This screening is performed on all blood units of group O, A and B to
be transfused. The ratio of potentially dangerous donors in case of non-isogroup
transfusion is 2.86% of the total number of screened donors. This detection is
performed simultaneously with other immunohaematological and serological tests:
ABO and Rh grouping, screening of irregular allo-antibodies, screening of syphilis.
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