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End-stage liver disease (ESLD) patients undergoing liver transplant (LT) surgery are often multiply alloimmunized and pose significant challenges to the transfusion services in terms of red cell cross-match incompatibility, unpredictable blood requirements, and often lead to significant delays in availing compatible red cell units. We report a case of a 64-year-old female from Bahrain, a known case of hepatitis C-related ESLD referred for LT surgery. She had a history of multiple uneventful transfusions in the preceding year. Her blood group was A-positive, direct antiglobulin test, and cold antibodies were negative. Indirect antiglobulin test was positive, and antibody identification confirmed the presence of anti-C, anti-e, and anti-K. Her red cell phenotype was R2R2and Kell negative (C-c+E+e-K-). The patient was started on erythropoietin. Requests for R2R2and Kell negative units were sent to various blood banks across the country. After >800 A/O group units phenotyping and a waiting period of 6 weeks, two compatible R2R2phenotypes and Kell negative could be arranged in-house and three units were received from Gurgaon, North India. Intraoperative management included blood preservation techniques including cell salvage, antifibrinolytic drug, and monitoring using thromboelastography. The estimated blood loss was 350 ml with pre- and postoperative Hb 10.4 gm% and 9.2 gm%, respectively. She received intraoperatively two units of single-donor platelet and four units of fresh frozen plasma and postoperatively one unit of leukocyte-depleted-packed red cells and doing well at 12-month follow-up. This case highlights the importance of advance immunohematology for timely detection of alloimmunization and providing antigen-negative compatible units, proper communication between the transfusion specialists, and the clinical team for proper patient blood management as well as the need for central rare donor registry program to avoid delays in providing compatible blood in such inevitable cases. [ABSTRACT FROM AUTHOR]

Intravenous (IV) drug abuse has been well established to be the source of transfer of infections, such as HIV, hepatitis C virus, and hepatitis B virus. However, often overlooked fact is that IV drug abusers have a potential for developing alloimmunization due to universal practice of flushing/washing out the syringe by own blood to rinse out the drug in the syringe. We present here a case of a 28-year-old man who presented with a rather unique predicament of having developed four different alloantibodies after exposure to allogenic blood through IV drug abuse. This case was detected promptly due to routine usage of type and screen policy for all the patients receiving transfusion. Such screening for atypical antibodies must be instituted to preemptively identify these antibodies and arrange compatible blood, which could have been difficult otherwise, at short notice during routine crossmatch. This is the first of its kind case ever reported from India and has no precedence. [ABSTRACT FROM AUTHOR]