Japanese Journal of Medical Technology
Online ISSN : 2188-5346
Print ISSN : 0915-8669
ISSN-L : 0915-8669
Case Reports
A case of rare blood type, Jra-antigen-negative, in an iron deficiency anemia patient: Relationship with transfusion measures in our hospital
Teruko KIMURAIkuyo KIKUCHIEri NABEYAEmi MAEDA
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2015 Volume 64 Issue 4 Pages 441-444

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Abstract
The blood test of an 80-year-old woman showed an Hb level of 6.7 g/dL. She was hospitalized in order to examine the cause of anemia and for transfusion purposes. She was diagnosed as having iron-deficiency anemia following our examination. A transfusion test showed that she had blood type A and was RhD-positive, and the result of antibody screening showed that she was positive. We doubted the existence of antibodies given the high incidence of the antigen because of the reaction in the screening of blood corpuscles. We requested a blood center for a closer examination. Her blood type was reported as Jra–antigen-negative and anti-Jra-antibody-positive. Following oral administration of iron without transfusions, her anemia improved. Family investigation was carried out in cooperation with the blood center. Her two children were found to be Jra -antigen-positive. In an emergency transfusion of such a rare blood type, it would be difficult for a blood center to supply blood of this type. We considered this possibility of transfusion in Hojo hospital and blood center, and prepared an emergency transfusion manual considering such a case.
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© 2015 Japanese Association of Medical Technologists
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