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Verification of automated latex-enhanced particle immunoturbidimetric D-Dimer assays on different analytical platforms and comparability of test results (CROSBI ID 285609)

Prilog u časopisu | stručni rad | međunarodna recenzija

Lapić, Ivana ; Coen Herak, Desiree ; Prpić, Snježana ; Prce, Andrea ; Raščanec, Vanja ; Zadro ; Renata ; Rogić, Dunja Verification of automated latex-enhanced particle immunoturbidimetric D-Dimer assays on different analytical platforms and comparability of test results // Biochemia medica, 3 (2020), 1-9

Podaci o odgovornosti

Lapić, Ivana ; Coen Herak, Desiree ; Prpić, Snježana ; Prce, Andrea ; Raščanec, Vanja ; Zadro ; Renata ; Rogić, Dunja

engleski

Verification of automated latex-enhanced particle immunoturbidimetric D-Dimer assays on different analytical platforms and comparability of test results

Introduction: The aim of the study was the analytical verification of automated latex- enhanced particle immunoturbidimetric (LPIA) D- Dimer assay INNOVANCE D-dimer on Sysmex CS-5100 and Atellica COAG 360 analysers, and HemosIL D- dimer HS500 on ACL TOP 550, as well as the comparison with the enzyme-linked immunofluorescent assay (ELFA) on the miniVidas analyser. Materials and methods: Verification included assessment of within-run and between- run precision, bias, measurement uncertainty (MU), verification of the cut-off, method comparison between all assessed assays, and the reference commercial ELFA VIDAS D-Dimer Exclusion II. Results: Within-run coefficients of variations (CVs) ranged from 1.6% (Atellica COAG 360) to 7.9% (ACL TOP 550), while between- run CVs ranged from 1.7% (Sysmex CS-5100) to 6.9% (Atellica COAG 360). Spearman's rank correlation coefficients were > 0.99 between LPIAs and ≥ 0.93 when comparing ELFA with LPIA. Passing-Bablok regression analysis yielded constant and proportional difference for comparison of ACL TOP 550 with both Sysmex CS- 5100 and Atellica COAG360, and for miniVidas with Atellica COAG360. Small proportional difference was found between miniVidas and both Sysmex CS-5100 and ACL TOP 550. Calculated MUs using D-dimer HS 500 calibrator were 12.6% (Sysmex CS-5100) and 15.6% (Atellica COAG 360), while with INNOVANCE D-dimer calibrator 12.0% (Sysmex CS-5100), 10.0% (Atellica COAG 360) and 28.1% (ACL TOP 550). Excellent agreement of results was obtained, with occasional discrepancies near the cut-off. The cut-off (0.5 mg/L FEU) was confirmed. Conclusions: The obtained results prove satisfactory analytical performance of LPIAs, their high comparability and almost equal discriminatory characteristics, suggesting them as a valid alternative to ELFA.

haemostasis ; blood coagulation tests ; D-Dimer ; immunoturbidimetry ; validation study

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Podaci o izdanju

3

2020.

1-9

objavljeno

1330-0962

1846-7482

Povezanost rada

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Indeksiranost