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KMID : 0370920130300010021
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Yeungnam Univercity Journal of Medicine
2013 Volume.30 No. 1 p.21 ~ p.24
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A Case of Hemolytic Disease of a Newborn by an Anti-Di[a] Antibody Treated with Intravenous Immunoglobulin
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Lee Chang-Eon
Park Su-Jin
Kim Won-Duck
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Abstract
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Hemolytic disease in a newborn that causes early jaundice is common. It is often due to the Rh (D) and ABO incompatibility, but rarely due to unexpected antibodies. Among these unexpected antibodies, the anti- Dia antibody rarely occurs. The anti-Dia antibody was observed in the serum and red-cell eluate of an infant, and in the serum of his mother. The frequency of the appearance of the Dia antigen in the Korean population is estimated to be 6.4-14.5%. This paper reports a case of hemolytic disease in a newborn associated with the anti-Dia antibody. A full-term male infant was transferred to the authors’ hospital due to hyperbilirubinemia the day after his birth. The laboratory data indicated a hemoglobin value of 11.6 g/dL, a reticulocyte count of 10.6%, a total bilirubin count of 14.4 mg/dL, a direct bilirubin count of 0.6 mg/dL, and a positive result in the direct Coombs’ test. Due to the identification of an irregular antibody from the maternal serum, an anti-Dia antibody was detected, which was also found in the eluate made from the infant’s blood. The infant had been treated with phototherapy and intravenous immunoglobulin since the second day after his birth and was discharged due to an improved condition without exchange transfusion. Therefore, in cases of iso-immune hemolytic disease in a newborn within 24 hours from birth who had a negative result in an antibody screening test, the conduct of an anti-Dia antibody identification test is recommended due to the suspicion of an anti-Dia antigen, followed by early administration of intravenous immunoglobulin.
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KEYWORD
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Anti-Dia antibody, Hemolytic disease, Newborn, Intravenous immunoglobulin
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