J Lab Med Qual Assur 2020; 42(4): 177-182
Published online December 31, 2020
Copyright © Korean Association of External Quality Assessment Service.
Suhak Jeon1, Eun Jeong Won1,2, Yu Jeong Lee2, Moon-Ju Kim2, Myung Geun Shin1, and Jong Hee Shin3
1Department of Laboratory Medicine, Chonnam National University Hwasun Hospital; 2Department of Parasitology and Tropical Medicine, Chonnam National University Medical School, Hwasun; 3Department of Laboratory Medicine, Chonnam National University Hospital, Gwangju, Korea
Correspondence to:Eun Jeong Won
Department of Parasitology and Tropical Medicine, Chonnam National University Medical School, 264 Seoyangro, Hwasun-eup, Hwasun 58128, Korea
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Annual proficiency surveys are conducted 3 times a year (2018?2019) by the Korean Association of External Quality Assessment Service. In addition to the image samples (MPI-18-01?08; MPI-19-01?08), the pre-made slide samples (MPS-18-01 and MPS-19-01) were included. Image samples were prepared to target parasites that were clinically or epidemiologically important in Korea, although they were not usually found in recent times. The pre-made slide samples targeting the prevalent parasites in Korea were prepared using the formalin-ether concentration method. The overall agreement rates were 98.3% in 2018 and 97.6% in 2019. The agreement rates were significantly lower for the MPS samples than for the MPI samples (97.9%?98.9% vs. 92.3%?94.6%, MPI vs. MPS samples, P<0.01, in both). Above all, MPI-19- 03 (Giardia lamblia) showed the lowest agreement rate (91.9%), indicating a lack of experience in the inspection of clinical laboratories. In addition, ectoparasites (Sarcoptes scabiei) and blood/mosquito-mediated parasites (Plasmodium vivax) that were recognized with clinical relevance in Korea were included in this survey. Based on our expanded survey of clinical parasitology, it should be accompanied by continuous education on various parasitic infections, which may overcome the lack of experience in the inspection of clinical laboratories.
Keywords: Quality control, Parasitology, Ectoparasite
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