Erratum: COVID-19 Molecular Testing in Korea: Practical Essentials and Answers From Experts Based on Experiences of Emergency Use Authorization Assays.

abstract：BACKGROUND:Next-generation sequencing is increasingly used for taxonomic identification of pathogenic bacterial isolates. We evaluated the performance of a newly introduced whole genome-based bacterial identification system, TrueBac ID (ChunLab Inc., Seoul, Korea), using clinical isolates that were not identified by th...

journal_title：Annals of laboratory medicine

authors： Ha SM,Kim CK,Roh J,Byun JH,Yang SJ,Choi SB,Chun J,Yong D

更新日期：2019-11-01 00:00:00

abstract：BACKGROUND:The emergence of fosfomycin resistance and extended-spectrum β-lactamase (ESBL) genes is a serious threat to public health and a new challenge in shigellosis treatment. The purpose of this study was to identify fosfomycin resistance and characterize β-lactamase genes in fos-carrying isolates of Shigella flex...

journal_title：Annals of laboratory medicine

authors： Liu Y,Cheng Y,Yang H,Hu L,Cheng J,Ye Y,Li J

更新日期：2017-09-01 00:00:00

abstract：BACKGROUND:Clopidogrel is one of the most commonly used anti-platelet agents in cardiovascular diseases. We analyzed the relationship between the platelet function analyzer (PFA)-200 P2Y (INNOVANCE PFA-200 System, Siemens Healthcare, Germany) results and occurrence of major adverse cardiac events (MACEs) in Korean pati...

journal_title：Annals of laboratory medicine

authors： Lim HH,Li S,An GD,Woo KS,Kim KH,Kim JM,Kim MH,Han JY

更新日期：2018-09-01 00:00:00

abstract：:In 2015, the American College of Medical Genetics and Genomics (ACMG), together with the Association for Molecular Pathology (AMP), published the latest guidelines for the interpretation of sequence variants, which have been widely adopted into clinical practice. Despite these standardized efforts, the degrees of subj...

journal_title：Annals of laboratory medicine

authors： Kim YE,Ki CS,Jang MA

更新日期：2019-09-01 00:00:00

abstract：BACKGROUND:Clarithromycin, amoxicillin, metronidazole, tetracycline, and levofloxacin have been commonly used for the eradication of Helicobacter pylori. We compared the change in antibiotic resistance of H. pylori strains during two separate periods and investigated the effect of antibiotic resistance on H. pylori era...

journal_title：Annals of laboratory medicine

authors： An B,Moon BS,Kim H,Lim HC,Lee YC,Lee G,Kim SH,Park M,Kim JB

更新日期：2013-11-01 00:00:00

abstract：Background:Plasma cell myeloma (PCM) is caused by immune dysregulation. We evaluated the expression of immune checkpoint programmed cell death protein-1 (PD-1) on T cell subsets in PCM patients according to disease course and cytogenetic abnormalities. This study aimed to find a target group suitable for therapeutic us...

journal_title：Annals of laboratory medicine

authors： Lee MY,Park CJ,Cho YU,You E,Jang S,Seo EJ,Lee JH,Yoon DH,Suh C

更新日期：2021-05-01 00:00:00

abstract：BACKGROUND:We developed a single-color multitarget flow cytometry (SM-FC) assay, a single-tube assay with graded mean fluorescence intensities (MFIs). We evaluated the repeatability of SM-FC, and its correlation with multicolor flow cytometry (MFC), to assess its application as a routine FC assay. METHODS:We selected ...

journal_title：Annals of laboratory medicine

authors： Park J,Han K

更新日期：2012-05-01 00:00:00

abstract：BACKGROUND:Although single antigen bead assays (SAB) are approved qualitative tests, the median fluorescence intensity (MFI) values obtained from SAB are frequently used in combination with quantitative significances for diagnostic purposes. To gauge the reproducibility of SAB results, we assessed the interlaboratory v...

journal_title：Annals of laboratory medicine

authors： Oh EJ,Park H,Park KU,Kang ES,Kim HS,Song EY

更新日期：2015-05-01 00:00:00

abstract：BACKGROUND:Hepatitis E virus (HEV) causes epidemics in developing countries and is primarily transmitted through the fecal-oral route. There have been recent reports on the zoonotic spread of the virus, and several animal species, primarily pigs, have been recognized as reservoirs of HEV. Because of its possible spread...

journal_title：Annals of laboratory medicine

authors： Mazalovska M,Varadinov N,Koynarski T,Minkov I,Teoharov P,Lomonossoff GP,Zahmanova G

更新日期：2017-07-01 00:00:00

abstract：:Metachromatic leukodystrophy (MLD) is an autosomal recessive disease caused by a deficiency in arylsulfatase A (ARSA). However, decreased ARSA activity is also observed in pseudodeficiency (PD). To distinguish between MLD and PD, we performed gene mutation and sulfatide analyses by using dried blood spots (DBSs) from ...

journal_title：Annals of laboratory medicine

authors： Han M,Jun SH,Lee YJ,Eun BL,Lee SJ,Seong MW,Park SS,Song SH,Park HD,Song J

更新日期：2015-07-01 00:00:00

abstract：:The 2016 WHO diagnostic criteria for chronic myelomonocytic leukemia (CMML) require both absolute and relative monocytosis (≥1×10⁹/L and ≥10% of white blood cell counts) in peripheral blood. Moreover, myeloproliferative neoplasm (MPN) features in bone marrow and/or MPN-associated mutations tend to support MPN with mon...

journal_title：Annals of laboratory medicine

authors： Moon Y,Kim MH,Kim HR,Ahn JY,Huh J,Huh JY,Han JH,Park JS,Cho SR

更新日期：2018-09-01 00:00:00

abstract：BACKGROUND:ChromID Clostridium difficile agar (IDCd; bioMérieux SA, France) is a recently developed chromogenic medium for rapid and specific isolation of C. difficile. We compared the performance of IDCd with that of Clostridium difficile Selective Agar (CDSA). METHODS:A total of 530 fresh stool specimens were collec...

journal_title：Annals of laboratory medicine

authors： Shin BM,Lee EJ

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:The storage temperature and time of blood gas samples collected in syringes constitute preanalytical variables that could affect blood gas or lactate concentration measurement results. We analyzed the effect of storage temperature and time delay on arterial or venous blood gas stability related to pH, partia...

journal_title：Annals of laboratory medicine

authors： Arbiol-Roca A,Imperiali CE,Dot-Bach D,Valero-Politi J,Dastis-Arias M

更新日期：2020-11-01 00:00:00

abstract：:Long QT syndrome (LQTS) is an inherited cardiac disease characterized by a prolonged heart rate-corrected QT (QTc) interval. We investigated the genetic causes in patients with prolonged QTc intervals who were negative for pathogenic variants in three major LQTS-related genes (KCNQ1, KCNH2, and SCN5A). Molecular genet...

journal_title：Annals of laboratory medicine

authors： Seo SH,Kim SY,Cho SI,Park H,Lee S,Choi JM,Kim MJ,Lee JS,Ahn KJ,Song MK,Bae EJ,Park SS,Seong MW

更新日期：2018-01-01 00:00:00

abstract：:Guidelines recommend that clinical laboratories perform phenotypic tests (nitrocefin-based test and penicillin 10-U [P10] or 1-U [P1] zone edge tests) to detect penicillinase in Staphylococcus aureus isolates. This study aimed to assess the prevalence of blaZ encoding penicillinase and perform various phenotypic tests...

journal_title：Annals of laboratory medicine

authors： Takayama Y,Tanaka T,Oikawa K,Fukano N,Goto M,Takahashi T

更新日期：2018-03-01 00:00:00

abstract：Background:HLA-DQ typing in deceased donors is not mandatory in Korea. Therefore, when patients develop DQ antibodies after kidney transplantation (KT) from deceased donor, it is impossible to determine whether they are donor-specific antibodies (DSA). We developed DQ prediction programs for the HLA gene and evaluated ...

journal_title：Annals of laboratory medicine

authors： Kim SK,Yang JJ,Hwang SH,Sung H,Shin S,Ko SY,Oh HB

更新日期：2021-03-01 00:00:00

abstract：BACKGROUND:Many laboratories use 4 delta check methods: delta difference, delta percent change, rate difference, and rate percent change. However, guidelines regarding decision criteria for selecting delta check methods have not yet been provided. We present new decision criteria for selecting delta check methods for e...

journal_title：Annals of laboratory medicine

authors： Park SH,Kim SY,Lee W,Chun S,Min WK

更新日期：2012-09-01 00:00:00

abstract：BACKGROUND:Methicillin-resistant Staphylococcus aureus (MRSA) bacteremia with a vancomycin minimum inhibitory concentration (MIC) of 2 µg/mL presents a high rate of therapeutic failure in response to vancomycin. In addition, polymorphism in accessory gene regulator (agr) is associated with vancomycin therapeutic effect...

journal_title：Annals of laboratory medicine

authors： Park MJ,Kim HS,Kim HS,Kim JS,Song W,Kim MY,Lee YK,Kang HJ

更新日期：2015-07-01 00:00:00

abstract：BACKGROUND:As the spread of carbapenemase-producing Enterobacteriaceae poses a critical threat to public health, rapid detection of carbapenemase genes is urgently required for prompt initiation of appropriate antimicrobial therapy and infection control. We evaluated the performance of Xpert Carba-R v.2 (Cepheid, USA) ...

journal_title：Annals of laboratory medicine

authors： Byun JH,Kim YA,Kim M,Kim B,Choi JY,Park YS,Yong D

更新日期：2020-05-01 00:00:00

abstract：BACKGROUND:Differentiation of atypical pathogens is important for community-acquired pneumonia (CAP). In this study, we compared sputum and nasopharyngeal swabs (NPS) for use in detection of Mycoplasma pneumoniae (MP), Chlamydophila pneumoniae (CP), and Legionella pneumophila (LP), using Seeplex PneumoBacter ACE Detect...

journal_title：Annals of laboratory medicine

authors： Cho MC,Kim H,An D,Lee M,Noh SA,Kim MN,Chong YP,Woo JH

更新日期：2012-03-01 00:00:00

abstract：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 AKI prediction are limited. We investigated the best approach to predict AKI in high-risk patients wh...

journal_title：Annals of laboratory medicine

authors： Yi A,Lee CH,Yun YM,Kim H,Moon HW,Hur M

更新日期：2021-01-01 00:00:00

abstract：BACKGROUND:The impact of HLA and KIR ligand mismatching on the outcome of hematopoietic stem cell transplantation (HSCT) remains unclear. Previous reports have identified considerable ethnic differences in the impact of HLA and KIR ligand mismatches, as well as KIR ligand status, on HSCT; however, to date, no data has ...

journal_title：Annals of laboratory medicine

authors： Park H,Rho EY,In JW,Kim I,Yoon SS,Park S,Shin S,Park KU,Song EY

更新日期：2015-01-01 00:00:00

abstract：:Changes in microparticles (MP) from red blood cell (RBC) concentrates in the context of irradiation have not been investigated. The aim of this study was to evaluate how irradiation affects the number of MPs within transfusion components. Twenty RBC concentrates, within 14 days after donation, were exposed to gamma ra...

journal_title：Annals of laboratory medicine

authors： Cho CH,Yun SG,Koh YE,Lim CS

更新日期：2016-07-01 00:00:00

abstract：:Procalcitonin (PCT) is used as a biomarker for the diagnosis of sepsis, severe sepsis and septic shock. At the same time, PCT has also been used to guide antibiotic therapy. This review outlines the main indications for PCT measurement and points out possible pitfalls. The classic indications for PCT measurement are: ...

journal_title：Annals of laboratory medicine

authors： Meisner M

更新日期：2014-07-01 00:00:00

abstract：BACKGROUND:D-dimer is used widely as a diagnostic aid in low- and moderate-risk patients with suspected venous thromboembolism (VTE). While our laboratory utilizes VIDAS D-dimer analyzer (bioMérieux SA, France), our emergency department (ED) recently procured a D-dimer analyzer AQT90 FLEX (Radiometer Medical ApS, Denma...

journal_title：Annals of laboratory medicine

authors： Perveen S,Unwin D,Shetty AL

更新日期：2013-01-01 00:00:00

abstract：:There have been a number of studies about correlations between HLA genotypes in various ethnic groups and occurrence of various cutaneous adverse drug reactions, ranging in intensity from mild to severe, caused by antiepileptic drugs (AEDs). This is the first report analyzing the HLA genotypes of 9 Korean patients wit...

journal_title：Annals of laboratory medicine

authors： Song JS,Kang ES,Joo EY,Hong SB,Seo DW,Lee SY

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND:The bacterium Chlamydia trachomatis is one of the leading causes of sexually transmitted diseases worldwide. Since no simple and effective tool exists to diagnose C. trachomatis infections, we evaluated a novel point-of-care (POC) test, aQcare Chlamydia TRF kit, which uses europium-chelated nanoparticles and...

journal_title：Annals of laboratory medicine

authors： Ham JY,Jung J,Hwang BG,Kim WJ,Kim YS,Kim EJ,Cho MY,Hwang MS,Won DI,Suh JS

更新日期：2015-01-01 00:00:00

abstract：:The platelet-to-lymphocyte ratio (PLR) has emerged as an informative marker revealing shifts in platelet and lymphocyte counts due to acute inflammatory and prothrombotic states. PLR has been extensively examined in neoplastic diseases accompanied by immune suppression and thrombosis, which can be predicted by combine...

journal_title：Annals of laboratory medicine

authors： Gasparyan AY,Ayvazyan L,Mukanova U,Yessirkepov M,Kitas GD

更新日期：2019-07-01 00:00:00

abstract：BACKGROUND:False-positive fecal immunochemical test (FIT) results in the National Cancer Screening Program (NCSP) for colorectal cancer may lead to unnecessary procedures, such as colonoscopies, increasing the medical costs. We estimated reductions in the cost of National Health Insurance according to the accreditation...

journal_title：Annals of laboratory medicine

authors： Jun JK,Sung NY,Song SH,Hong S,Jang MA,Song J,Kim JH,Min WK,Lee YK

更新日期：2018-05-01 00:00:00

abstract：BACKGROUND:Mutations in calreticulin (CALR) have been reported to be key markers in the molecular diagnosis of myeloid proliferative neoplasms. In most previous reports, CALR mutations were analyzed by using Sanger sequencing. Here, we report a new, rapid, and convenient system for screening CALR mutations without sequ...

journal_title：Annals of laboratory medicine

authors： Jeong JH,Lee HT,Seo JY,Seo YH,Kim KH,Kim MJ,Lee JH,Park J,Hong JS,Park PW,Ahn JY

更新日期：2016-07-01 00:00:00