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KMID : 0387720070180020111
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Korean Journal of Blood Transfusion
2007 Volume.18 No. 2 p.111 ~ p.115
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Transfusion of Jra-positive Red Blood Cells to a Jra-negative Patient with Anti-Jra
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Chung Hee-Jung
Lim Ji-Hun
Park Hyun-Jun
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Abstract
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Jra is a high-frequency red cell antigen, and antibodies to Jra (anti-Jra) are rarely found. The clinical significance of anti-Jra has been under debate. We report a case of a Jra negative patient having anti-Jra who was urgently transfused with Jra-positive red blood cells (RBCs) during an aortic valvuloplasty. As Jra-negative RBCs were not available, this 57 year-old female patient was transfused with six units of Jra-positive RBCs during the surgery. The hemoglobin concentration decreased from 13.0 g/dL to 7.7 g/dL due to excessive bleeding, but increased up to 13.2 g/dL after the transfusion of an additional four units of Jra-positive RBCs. A direct antiglobulin test (DAT) was positive on day 3 and day 10 after surgery. Twenty days following surgery at the outpatient clinic, the hemoglobin concentration was 10.4 g/dL and the patient had no clinical symptoms related to anemia. The DAT was negative 6 months after the transfusion. It seems to be relatively safe to transfuse Jra-positive RBCs to the patient with anti-Jra in an emergency situation.
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KEYWORD
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Anti-Jra, Unexpected antibody, High frequency RBC antigen
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