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Annual Report of the Korean Association of External Quality Assessment Service on Transfusion Medicine (2019)

임상검사와정도관리 2020년 42권 3호 p.112 ~ 120
양정석, 김진석, 임영애, 김형석, 고대현,
소속 상세정보
양정석 ( Yang Jeong-Seok ) - University of Ulsan College of Medicine Asan Medical Center Department of Laboratory Medicine
김진석 ( Kim Jin-Seok ) - University of Ulsan College of Medicine Asan Medical Center Department of Laboratory Medicine
임영애 ( Lim Young-Ae ) - Ajou University School of Medicine Department of Laboratory Medicine
김형석 ( Kim Hyung-Suk ) - Seoul National University Hospital Department of Laboratory Medicine
고대현 ( Ko Dae-Hyun ) - University of Ulsan College of Medicine Asan Medical Center Department of Laboratory Medicine

Abstract


This report summarizes the 2019 survey results of the external quality assessment (EQA) scheme for the Transfusion Medicine Program (TMP) in Korea. Proficiency testing materials were prepared at the Asan Medical Center for the biannual distribution to participating laboratories. The average accuracy rates and number of participants (in parenthesis) for ten survey items were as follows: ABO typing, 99.4%?99.9% (N=875); RhD typing, 99.8%?100% (N=864); crossmatching, 90.8%?99.6% (N=760); ABO subtyping, 98.2% and 100% (N=58); Rh CcEe antigen testing, both 100% (N=55); weak D test, 97.9%?100% (N=232); antibody screening, 99.7%? 100% (N=316); direct antiglobulin test (DAT) using a polyspecific reagent, 99.6%?100% (N=273); DAT using an immunoglobulin-G monospecific reagent, both 100.0% (N=67); DAT using a C3d monospecific reagent, 95.6%?98.5% (N=67); antibody identification, 87.9%?99.2% (N=132); and ABO Ab titration, 85.7%?100% (N=134). The number of participants showed an average increase of 14% across the ten survey items, with the ABO antibody titration showing the highest increase at 83.6%. While results were generally excellent, antibody identification and ABO antibody titration results showed room for improvement. The 2019 EQA scheme for TMP has contributed to the improvement and maintenance of the participating laboratories to the program.

키워드

Transfusion medicine; Quality improvement; Laboratory proficiency testing

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