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Red cell antibodies or noise? A case series on reactivity against the ingredients in column matrix.
Asian J Transfus Sci
November 2023
Department of Transfusion Medicine, Tata Medical Center, Kolkata, West Bengal, India.
Noise in the immunohematological investigations can be described as a false reactivity of red blood cells (RBCs) in serologic testing that is not related to the interaction of RBC antigens and antibodies that the test system is intended to detect. These false-positive reactions can cause confusion during the cross-matching and RBC antibody screening and may result in delays in patient transfusion. Although these antibodies are predominantly clinically insignificant, proper laboratory work-up is indicated to avoid misidentification of a clinically significant antibody as a noise.
View Article and Find Full Text PDF[Identification and Analysis of Irregular Antibodies in Hospitalized Patients Prepared to Accept Blood Transfusion].
Zhongguo Shi Yan Xue Ye Xue Za Zhi
December 2024
Department of Blood Transfusion, The Second Hospital of Shandong University, Jinan 250033， Shandong Province， China.
Objective: To analyze the type and distribution characteristics of irregular antibodies in 71 847 hospitalized patients who prepared to accept blood transfusion, and to explore their role in safe blood transfusion.
Methods: 71 847 patients who applied for red blood transfusion from January 2020 to October 2023 were selected. All specimens were screened and identified for the irregular antibody by microcolumn gel antiglobulin technique.
[Study on the Production of Anti-D and Anti-E Mixed Antibodies by Alloimmunization in RhD Variant Type33 Recipients].
Zhongguo Shi Yan Xue Ye Xue Za Zhi
December 2024
Blood Group Reference Laboratory, Ningxia Blood Center, Yinchuan 750000, Ningxia Hui Autonomous Region, China.
Objective: To investigate the cause of the production of anti-D and anti-E mixed antibody in an RhD positive patient.
Methods: The ABO/Rh blood group typing and irregular antibody specificity were identified by conventional serological methods, the gene exon 1-10 and heterozygous analysis were performed by sequence-specific primer polymerase chain reaction (PCR-SSP), and the whole exon sequence was analyzed by first-generation sequencing.
Results: The patient's Rh blood group was weak D Type33, with the allele was , the patients was found to be heterozygous, with an Rh typing of Ccee, and the patient had developed anti-D combined with anti-E mixed antibodies.
[Detection and Treatment for Hemolytic Transfusion Reaction in Patient with Combined Antibody Consisted of Anti-Fy and Anti-Jk].
Zhongguo Shi Yan Xue Ye Xue Za Zhi
December 2024
Department of Blood Transfusion, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200127, China.
Objective: To investigate and assess hemolytic transfusion reaction in patient with complex and combined anti-Fy and anti-Jk which so as to provide a safety blood transfusion strategy.
Methods: ABO/Rh blood grouping, antibody screening and identification, and Coombs' tests were performed by the routine serological methods include manual tube and automatic blood group analyzer with matching micro-column gel cards from Diagnostic Grifols and Jiangsu LIBO. The hospital information system and laboratory information system were used to collect dada on patients' blood routine tests, liver and kidney function, coagulation, cardiac function, and other clinical indicators before and after blood transfusion were analyzed and compared in conjunction with the patients' clinical manifestations.
Weak and partial D phenotyping: a comparison study between molecular and serologic results.
Immunohematology
December 2024
Versiti, Milwaukee, WI.
Variant D antigens can cause variable serologic results when typing with Anti-D reagents. There is limited information regarding the ability of Anti-D reagents to differentiate between D variants defined by genotyping. This study was performed to determine if a panel of 20 U.
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