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Bitte verwenden Sie diesen Link, wenn Sie dieses Dokument zitieren oder verlinken wollen: https://nbn-resolving.org/urn:nbn:de:gbv:9-opus-30758

‘Chameleonic' Serological Findings Leading to Life-Threatening Hemolytic Transfusion Reactions

  • Background: The phenomena of co-incidence of transfusion-induced allo- and autoantibodies, blockage and/or loss of red blood cell (RBC) antigens are conspicuous and may result in confusion and misdiagnosis. Case Report: A 67-year-old female was transferred to the intensive care unit due to hemolysis which developed 2 days following transfusion of three Rh(D)-negative RBC units in the presence of strongly reactive autoantibodies. Standard serological testing and genotyping were performed. Upon arrival, the patient was typed as Ccddee. Her hemolysis was decompensated, and an immediate blood transfusion was required. In addition, direct and indirect antiglobulin tests (DAT and IAT) as well as the eluate were strongly positive. Emergency transfusion of Rh(D)-negative RBCs resulted in increased hemolysis and renal failure. An exhaustive testing revealed anti-D, anti-c, CCddee phenotype and CCD.ee genotype. Three units of cryopreserved CCddee RBCs were transfused, and the patient's condition immediately improved. The discrepancy between Rh-D phenotyping and genotyping was likely caused by masking of the D-epitopes by the autoantibodies. In fact, further enquiry revealed that the patient had been phenotyped as Rh(D)-positive 6 months ago and had been transfused at that time following hip surgery. Conclusion: The phenomena of transfusion-induced autoantibodies, masked alloantibodies, antigen blockage and/or loss are rare but important features which should be considered in patients presenting with autoimmune hemolytic anemia and/or hemolytic transfusion reactions.

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Metadaten
Author: Ariane Sümnig, Beate Mayer, Volker Kiefel, Andreas Greinacher, Abdulgabar Salama
URN:urn:nbn:de:gbv:9-opus-30758
DOI:https://doi.org/10.1159/000437198
ISSN:1660-3796
ISSN:1660-3818
Pubmed Id:http://www.ncbi.nlm.nih.gov/pubmed?term=26696804
Parent Title (English):Transfusion Medicine and Hemotherapy
Publisher:S. Karger AG
Place of publication:Basel, Switzerland
Document Type:Article
Language:English
Date of first Publication:2015/08/04
Release Date:2020/09/29
Tag:Antigen suppression, Auto-anti-D, Hemolytic anemia, Rh(D)-blocked phenomenon, Transfusion reaction
GND Keyword:-
Volume:42
Issue:5
First Page:340
Last Page:343
Faculties:Universitätsmedizin / Institut für Immunologie u. Transfusionsmedizin - Abteilung Transfusionsmedizin
Licence (German):License LogoUrheberrechtlich geschützt