Impact of Sample Type on D-Dimer Screening.

Malays J Med Sci

Department of Medical Technology Laboratory, Faculty Health Science, University Muhammadiyah of Surabaya, Surabaya, Indonesia.

Published: April 2024

Background: The quality of laboratory test results depends on various factors, including sample type selection. Blood samples, such as whole blood, plasma and serum are commonly used for most clinical laboratory examinations. D-dimer parameters are frequently analysed in haematology laboratories and serve as biomarkers for coagulation activation and fibrinolysis. This study aimed to assess the impact of using different sample types on the quality of D-dimer test results.

Method: An observational analytical method was used. D-dimer examination was performed using the fluorescent lateral flow immunoassay method. The study sample consisted of 26 participants aged between 18 years old and 22 years old who had no blood disorders. Whole blood and ethylenediaminetetraacetic acid (EDTA) plasma samples were used for the examination of D-dimer levels.

Results: D-dimer levels in 26 participants using whole blood samples had a mean value of 0.23 mg/L (230 ng/mL), while plasma samples yielded a mean value of 0.14 mg/L (140 ng/mL). D-dimer levels obtained from whole blood samples were higher than plasma samples but remained within the normal range of 0 mg/L-0.5 mg/L (0 ng/mL-500 ng/mL).

Conclusion: The results showed that whole blood samples were more practical than plasma samples. Nevertheless, plasma samples gave results within the normal range of D-dimer values.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11057822PMC
http://dx.doi.org/10.21315/mjms2024.31.2.13DOI Listing

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