- Recent Trends in Creatinine Assays in Korea: LongTerm Accuracy-Based Proficiency Testing Survey Data by the Korean Association of External Quality Assessment Service (2011–2019)
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Jeong TD, Cho EJ, Lee K, Lee W, Yun YM, Chun S, Song J, Min WK
- KMID: 2512716
- Ann Lab Med.
- 2021 Jul;41(4):372-379.
- doi: 10.3343/alm.2021.41.4.372
Background: Accurate serum creatinine (Cr) concentration measurement is essential for evaluating kidney function. In 2011, the Korean Association of External Quality Assessment Service (KEQAS) launched an accuracy-based Cr proficiency testing... -
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- Immunosuppressive Drug Measurement by Liquid Chromatography Coupled to Tandem Mass Spectrometry: Interlaboratory Comparison in the Korean Clinical Laboratories
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Kim HK, Park HD, Lee SG, Chae H, Song SH, Lee YW, Yun YM, Ahn S, Kim S, Lee SM, Lee SY, Chun S, on behalf of the Clinical Mass Spectrometry Research Committee of the Korean Society of Clinical Chemistry
- KMID: 2512684
- Ann Lab Med.
- 2021 May;41(3):268-276.
- doi: 10.3343/alm.2021.41.3.268
Background: Liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) is increasingly used for immunosuppressive drug tests. However, most LC-MS/MS tests are laboratory-developed and their agreement is unknown in different Korean... -
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- Effectiveness of Plasma and Urine Neutrophil Gelatinase-Associated Lipocalin for Predicting Acute Kidney Injury in High-Risk Patients
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Yi A, Lee CH, Yun YM, Kim H, Moon HW, Hur M
- KMID: 2512734
- Ann Lab Med.
- 2021 Jan;41(1):60-67.
- doi: 10.3343/alm.2021.41.1.60
Background: Neutrophil gelatinase-associated lipocalin (NGAL) is a useful biomarker for acute kidney injury (AKI) prediction. However, studies on whether using both plasma NGAL (PNGAL) and urine NGAL (UNGAL) can improve... -
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- Serial Assays of QuantiFERON-TB Gold In-Tube and QuantiFERON-TB Gold-Plus in Subjects Exposed to Patients with Active Tuberculosis
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Moon HW, Yi A, Yoon S, Kim H, Chung HJ, Hur M, Yun YM, Yoo KH
- KMID: 2502576
- Ann Lab Med.
- 2020 Sep;40(5):428-430.
- doi: 10.3343/alm.2020.40.5.428
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- Effects of the new diagnosis-related group-based payment system and the increased incentive policy rates on the utilization rate of diagnostic laboratory test in Korea
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Lee HR, Kim S, Yun YM, Heo JH, Lee KS, Jeong H, Kwon GC, Um TH, Kim H
- KMID: 2505614
- J Korean Med Assoc.
- 2020 Aug;63(8):493-503.
- doi: 10.5124/jkma.2020.63.8.493
A new diagnosis-related group (DRG) based payment system has been implemented in most public hospitals in Korea. We investigated the effects of the new DRG system and its incentive policy... -
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- A Case of Peritonitis and Disseminated Mucormycosis Caused by Mucor circinelloides in a Patient with Nodal Marginal Zone B-cell Lymphoma
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Yoon S, Kim H, Moon HW, Huh HJ, Hur M, Yun YM, Lee MH
- KMID: 2504137
- Lab Med Online.
- 2020 Jul;10(3):250-254.
- doi: 10.3343/lmo.2020.10.3.250
Mucormycosis is a fungal infection, which is difficult to treat due to its rapid dissemination and low susceptibility to anti-fungal agents. Peritonitis preceded by gastrointestinal mucormycosis is very rare, and... -
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- Clinical Utility of Fecal Neutrophil Gelatinase-Associated Lipocalin and Calprotectin as Biomarkers of Clostridioides (Clostridium) difficile Infection
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Yi J, Kim H, Moon HW, Hur M, Yun YM
- KMID: 2512242
- Lab Med Online.
- 2020 Apr;10(2):125-131.
- doi: 10.3343/lmo.2020.10.2.125
Background Current methods for diagnosing Clostridioides difficile infections (CDIs) fail to provide information on their severity. Fecal neutrophil gelatinase-associated lipocalin (NGAL) and calprotectin are candidate biomarkers for evaluating the severity of... -
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- Absolute Change in High-Sensitivity Cardiac Troponin I at Three Hours After Presentation is Useful for Diagnosing Acute Myocardial Infarction in the Emergency Department
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Kim JW, Kim H, Yun YM, Lee KR, Kim HJ
- KMID: 2507793
- Ann Lab Med.
- 2020 Nov;40(6):474-480.
- doi: 10.3343/alm.2020.40.6.474
Background: A rise and/or fall in cardiac troponin value with at least one value above the 99th percentile upper reference limit is essential for acute myocardial infarction (AMI) diagnosis. We... -
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- Performance Evaluation of the QXDx BCR-ABL %IS Droplet Digital PCR Assay
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Chung HJ, Hur M, Yoon S, Hwang K, Lim HS, Kim H, Moon HW, Yun YM
- KMID: 2457497
- Ann Lab Med.
- 2020 Jan;40(1):72-75.
- doi: 10.3343/alm.2020.40.1.72
Accurate detection of BCR-ABL fusion transcripts at and below molecular response (MR) 4 (0.01% International Scale [IS]) is required for disease monitoring in patients with chronic myeloid leukemia (CML). We... -
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- Report of Korean Association of External Quality Assessment Service on the Accuracy-Based Lipid Proficiency Testing (2016–2018)
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Kim JH, Cho Y, Lee SG, Yun YM
- KMID: 2460777
- J Lab Med Qual Assur.
- 2019 Sep;41(3):121-129.
- doi: 10.15263/jlmqa.2019.41.3.121
The accuracy-based lipid (ABL) proficiency testing (PT) program was started in 2016 by the Korean External Quality Assessment Service to minimize the matrix effect. We analyzed 3 years of the... -
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- Use of Liquid Chromatography-Tandem Mass Spectrometry for Clinical Testing in Korean Laboratories: a Questionnaire Survey
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Chae H, Cho SE, Park HD, Chun S, Lee YW, Yun YM, Song SH, Lee SG, Lee K, Song J, Lee SY, On behalf of the Clinical Mass Spectrometry Research Committee of Korean Society of Clinical Chemistry
- KMID: 2450967
- Ann Lab Med.
- 2019 Sep;39(5):447-453.
- doi: 10.3343/alm.2019.39.5.447
BACKGROUND: The use of liquid chromatography-tandem mass spectrometry (LC-MS/MS) has substantially increased in clinical laboratories worldwide. To assess the status of clinical LC-MS/MS testing in Korean laboratories, a questionnaire survey... -
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- A Questionnaire Survey on General Status and Opinions about Clinical Mass Spectrometric Analysis in Korea (2018)
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Cho SE, Chae H, Park HD, Chun S, Lee YW, Yun YM, Song SH, Lee SG, Lee K, Song J, Lee SY, On behalf of the Clinical Mass Spectrometry Research Committee of Korean Society of Clinical Chemistry
- KMID: 2450841
- Lab Med Online.
- 2019 Jul;9(3):161-165.
- doi: 10.3343/lmo.2019.9.3.161
The Clinical Mass Spectrometry Research Committee (CMSRC), in affiliation with the Korean Society of Clinical Chemistry (KSCC), conducted a questionnaire survey on opinions about the general status of clinical mass... -
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- First Case in Korea of Group B Streptococcus With Reduced Penicillin Susceptibility Harboring Amino Acid Substitutions in Penicillin-Binding Protein 2X
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Yi A, Kim CK, Kimura K, Arakawa Y, Hur M, Yun YM, Moon HW
- KMID: 2438892
- Ann Lab Med.
- 2019 Jul;39(4):414-416.
- doi: 10.3343/alm.2019.39.4.414
No abstract available. -
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- Two-photon intravital imaging of leukocyte migration during inflammation in the respiratory system
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Kim YM, Jeong S, Choe YH, Hyun YM
- KMID: 2449363
- Acute Crit Care.
- 2019 May;34(2):101-107.
- doi: 10.4266/acc.2019.00542
Two-photon intravital imaging is a powerful method by which researchers are able to directly observe biological phenomena in live organisms. Researchers in various biomedical research fields have applied two-photon imaging... -
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- Accuracy-Based Proficiency Testing of Creatinine Measurement: 7 Years' Experience in Korea
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Jeong TD, Lee HA, Lee K, Yun YM
- KMID: 2446694
- J Lab Med Qual Assur.
- 2019 Mar;41(1):13-23.
- doi: 10.15263/jlmqa.2019.41.1.13
BACKGROUND: Standardization of creatinine assay is consistently performed and much effort has been put into improving the accuracy of the results. We aimed to analyze the results of accuracy-based proficiency... -
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- Characteristics of Helicobacter pylori-seropositive subjects according to the stool antigen test findings: a prospective study
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Moon HW, Lee SY, Hur M, Yun YM
- KMID: 2420001
- Korean J Intern Med.
- 2018 Sep;33(5):893-901.
- doi: 10.3904/kjim.2016.353
BACKGROUND/AIMS: In countries with a higher risk of gastric atrophic gastritis, noninvasive tests are helpful for a more reliable diagnosis of Helicobacter pylori infection. The aim of this study was... -
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- Usefulness of Enhanced Liver Fibrosis, Glycosylation Isomer of Mac-2 Binding Protein, Galectin-3, and Soluble Suppression of Tumorigenicity 2 for Assessing Liver Fibrosis in Chronic Liver Diseases
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Moon HW, Park M, Hur M, Kim H, Choe WH, Yun YM
- KMID: 2408072
- Ann Lab Med.
- 2018 Jul;38(4):331-337.
- doi: 10.3343/alm.2018.38.4.331
BACKGROUND: Liver biopsies have been partially replaced by noninvasive methods for assessing liver fibrosis. We explored the usefulness of four novel biomarkers, enhanced liver fibrosis (ELF), glycosylation isomer of Mac-2... -
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- Performance Evaluation of the JEOL BioMajesty JCA-BM6010/C Automated Clinical Chemistry Analyzer
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Kim HN, Ji M, Moon HW, Hur M, Yun YM
- KMID: 2383089
- Lab Med Online.
- 2017 Jul;7(3):111-119.
- doi: 10.3343/lmo.2017.7.3.111
BACKGROUND: JEOL BioMajesty JCA-BM6010/C (JCA-BM6010/C, JEOL Ltd., Japan) is a recently developed ultra-compact automated clinical chemistry analyzer with a throughput of 1,200 tests per hour. Here, we present the first... -
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- Clinical Usefulness of Combined Cardiac Marker Testing with a Point-of-Care Device at the Emergency Department
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Ji M, Moon HW, Park S, Hur M, Yun YM
- KMID: 2386166
- J Lab Med Qual Assur.
- 2017 Jun;39(2):83-89.
- doi: 10.15263/jlmqa.2017.39.2.83
BACKGROUND: B-type natriuretic peptide (BNP) levels are elevated in various conditions unrelated to heart failure, such as acute coronary syndrome, and cardiac troponin (cTn) levels may also be elevated in... -
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- Annual Report on the External Quality Assessment Scheme for Routine Clinical Chemistry in Korea (2016)
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Lee YW, Jeon BR, Kim JG, Jun SH, Yun YM, Chun S, Song J, Min WK, Routine Clinical Chemistry Program, Korean Association of External Quality Assessment Service
- KMID: 2386164
- J Lab Med Qual Assur.
- 2017 Jun;39(2):61-75.
- doi: 10.15263/jlmqa.2017.39.2.61
In 2016, the clinical chemistry proficiency-testing program consisted of 21 programs, including the general chemistry program of the Korean Association of External Quality Assessment Service. The general chemistry program consisted... -
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