Transfusion of a D-- phenotype patient using the rare blood donor registry of the Korean Red Cross Blood Services

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Dear Sir,
Transfusion for patients with a rare blood group or phenotype, such as the D-- phenotype, are challenging for blood banks. Many countries have established programmes to continuously identify rare donors and set up registries to support patients in need of rare blood1. In line with this, since 2013, the Korean Red Cross Blood Services (KRCBS) has conducted serologic testing for the C, c, E, and e antigens and registered donors identified as D -- phenotype in the rare blood donor registry2. Recently, the authors received
D-- phenotype packed red blood cells (PRC) via the KRCBS rare blood donor registry. Among six D-- phenotype donors contacted for blood donation, two were able to donate for a patient with the D-- phenotype. [ … ]