Asian Journal of Transfusion Science
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CASE REPORT
Year : 2019  |  Volume : 13  |  Issue : 1  |  Page : 57-59

Incompatible crossmatch: First sign of a hemolytic transfusion reaction due to out-of-group platelet transfusion


1 Department of Transfusion Medicine, Tata Medical Center, Kolkata, West Bengal, India
2 Department of Clinical Hematology and Bone Marrow Transplant, Tata Medical Center, Kolkata, West Bengal, India
3 Department of Gynaecological Surgery, Tata Medical Center, Kolkata, West Bengal, India

Correspondence Address:
Debapriya Basu
C/O Dr. Saumitra Kumar, 12, Santinagar Road, Bhadrakali, Hooghly - 712 232, West Bengal
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ajts.AJTS_36_17

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Platelet (PLT) transfusion is undertaken in a variety of clinical settings with thrombocytopenia, with or without bleeding. Since PLTs are most often stored in donor plasma, group-specific PLT transfusions are preferred to out-of-group transfusions. PLTs adsorb ABO antigens over their surface from the plasma. In major ABO-incompatible PLT transfusions, anti-A/B from the patient plasma react with the ABO antigens on transfused PLTs and can potentially cause adverse reactions or PLT refractoriness. Transfusion of PLTs with major ABO incompatibility, though effective in preventing clinical bleeding, is associated with reduced posttransfusion PLT count increments. In minor incompatible PLT transfusion transfused, anti-A/B can cause hemolytic transfusion reaction (HTR) which is not always related to a high titer of anti-A/B in the donor. Although attempts are made to practice ABO identical PLT transfusion, most centers practice out-of-group random donor platelets (RDPs) as well as single-donor-platelets (SDP) transfusion. The limited PLT shelf life does not always permit ABO identical PLT transfusion. At our center, ABO-specific PLT transfusions are practiced where possible, and in case of minor ABO-incompatible transfusions, antibody titers are not done. Here, we report a case of HTR due to out-of-group SDP transfusion, detected in the laboratory after an incompatible red blood cell (RBC) crossmatch.


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2006 - Asian Journal of Transfusion Science | Published by Wolters Kluwer - Medknow
Online since 10th November, 2006