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Eastern Mediterranean Health Journal

Print version ISSN 1020-3397


BASHAWRI, L.A.M.. Red cell alloimmunization in sickle-cell anaemia patients. East. Mediterr. health j. [online]. 2007, vol.13, n.5, pp. 1181-1189. ISSN 1020-3397.

This study in King Fahd Hospital of the University, Saudi Arabia, assessed the frequency of alloimmunization to red cell antigens in sickle-cell anaemia patients over 1996-2004 in order to evaluate the risk of alloimmunization and identify the most common alloantibodies. A retrospective analysis of the transfusion history and medical records of 350 patients aged 2 to 75 years who had received at least 1 transfusion found that 48 patients had developed alloantibodies (13.7%). The most common alloantibodies detected were: anti-E alone (18.8%), nonspecific (12.5%), inconclusive (12.5%), anti-K (10.4%) and anti-c 3 (6.3%). Some patients had 1 alloantibody, while others more than 1 and even multiple antibodies. Nine patients had a persistent positive direct antiglobulin test.

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