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[Immunochromatographic test for determination of D-dimer.]
Y A Akinshina1, A V Nikitina1, E A Amelina1
1CJSC "EKOlab", 142530, Elektrogorsk, Moscow region.
A new immunochromatographic test accurately detects D-dimer levels. This qualitative test shows high agreement with ELISA, supporting its use in diagnosing venous thromboembolism risk.
Area of Science:
- Biomedical diagnostics
- Clinical chemistry
Background:
- D-dimer is a biomarker for venous thromboembolism (VTE).
- Accurate and rapid D-dimer testing is crucial for VTE diagnosis.
- Existing quantitative methods can be time-consuming.
Purpose of the Study:
- To develop and validate a novel immunochromatographic test for qualitative D-dimer determination.
- To compare the performance of the developed test against a quantitative enzyme-linked immunosorbent assay (ELISA).
Main Methods:
- Development of an immunochromatographic assay for D-dimer.
- Testing of human blood plasma samples.
- Comparison of results with a standard quantitative ELISA.
Main Results:
- The immunochromatographic test demonstrated high concordance with ELISA.
- Agreement was 87.1% for samples with elevated D-dimer (>400 ng/ml FEU).
- 100% agreement was observed for samples with normal D-dimer concentrations.
Conclusions:
- The developed immunochromatographic test provides a reliable qualitative determination of D-dimer.
- This test can be integrated into diagnostic strategies as a preliminary 'cut' test for VTE risk assessment.
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