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Analytical and Clinical Performance of a New Point of Care LABGEOIB D-Dimer Test for Diagnosis of Venous Thromboembolism

Authors
 Jaewoo Song  ;  Tae Dong Kweon  ;  Yeajin Song  ;  Eun Young Lee  ;  Sue Jung Kim  ;  Rojin Park 
Citation
 Annals of Clinical and Laboratory Science, Vol.44(3) : 254-261, 2014 
Journal Title
 Annals of Clinical and Laboratory Science 
ISSN
 0091-7370 
Issue Date
2014
MeSH
Adolescent ; Adult ; Aged ; Aged, 80 and over ; Blood Chemical Analysis/methods* ; Child ; Child, Preschool ; Dimerization ; Female ; Humans ; Immunoassay ; Infant ; Male ; Middle Aged ; Point-of-Care Systems ; Reference Standards ; Sensitivity and Specificity ; Venous Thromboembolism/blood ; Venous Thromboembolism/diagnosis*
Keywords
LABGEOIB D-dimer Test ; point-of-care ; venous thromboembolism
Abstract
LABGEO(IB) D-dimer Test is a newly developed POC D-dimer assay and the first commercially available POC immunoassay instrument that exploits the disk rotation method for extraction of plasma. Citrate plasma was obtained from 201 apparently healthy subjects and 91 patients suspected for VTE, and their D-dimer level was measured by the LABGEO(IB) D-Dimer Test (LABGEO D-dimer) and HemosIL D-dimer test as a comparative method. To examine the effect of blood cells and anticoagulant, paired blood samples anticoagulated by heparin and citrate were obtained from various postoperative patients. The overall diagnostic performance of LABGEO(IB) D-dimer and HemosIL was comparable with similar area under ROC curve (p=0.79). The cut-off levels recommended by manufacturers (LABGEO D-dimer: 0.45 μg/ml fibrinogen equivalent unit (FEU), HemosIL: 0.23 μg/ml D-dimer unit (DDU)) and those yielding highest diagnostic efficiency (LABGEO D-dimer: 1.41 μg/ml FEU; HemosIL: 0.85 μg/ml DDU), were chosen for the evaluation. For LABGEO D-dimer negative predictive value (NPV), positive predictive value (PPV), sensitivity, specificity, and negative likelihood ratio (LR-neg) were 93-100%, 67-89%, 93-100%, 53-89% and 0.00-0.08. For HemosIL D-dimer, NPV, PPV, sensitivity, specificity and LR-neg were 90 - 100%, 76-95%, 89-100%, 70-96% and 0.00-0.12, all comparable to results for LABGEO D-dimer. LABGEO D-dimer test demonstrated acceptable performance when used for the VTE diagnostic work-up.
Full Text
http://www.annclinlabsci.org/content/44/3/254.full.pdf+html
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
Kweon, Tae Dong(권태동) ORCID logo https://orcid.org/0000-0002-5451-1856
Song, Yea Jin(송예진)
Song, Jae Woo(송재우) ORCID logo https://orcid.org/0000-0002-1877-5731
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/99467
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