KMID : 0985420200420030112
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Laboratory Medicine and Quality Assurance 2020 Volume.42 No. 3 p.112 ~ p.120
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Annual Report of the Korean Association of External Quality Assessment Service on Transfusion Medicine (2019)
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Yang Jeong-Seok
Kim Jin-Seok Lim Young-Ae Kim Hyung-Suk Ko Dae-Hyun
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Abstract
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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.
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KEYWORD
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Transfusion medicine, Quality improvement, Laboratory proficiency testing
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