Measurement of S100B protein: evaluation of a new prototype on a bioMérieux Vidas® 3 analyzer.
Authors of this article are:
Oris C, Chabanne R, Durif J, Kahouadji S, Brailova M, Sapin V, Bouvier D.
A summary of the article is shown below:
Background The addition of S100B protein to guidelines for the management of mild traumatic brain injury (mTBI) decreases the amount of unnecessary computed tomography (CT) scans with a significant decrease in radiation exposure and an increase in cost savings. Both DiaSorin and Roche Diagnostics have developed automated assays for S100B determination. Recently, bioMérieux developed a prototype immunoassay for serum S100B determination. For the first time, we present the evaluation of the S100B measurement using a bioMérieux Vidas® 3 analyzer. Methods We evaluated the matrix effects of serum and plasma, and their stability after storage at 2-8 °C, -20 °C and -80 °C. The new measurement prototype (bioMérieux) was compared with an established one (Roche Diagnostics), and a precision study was also conducted. Lastly, clinical diagnostics performance of the bioMérieux and Roche Diagnostics methods were compared for 80 patients referred to the Emergency Department for mTBI. Results Stability after storage at 2-8 °C, -20 °C, and -80 °C and validation of the serum matrix were demonstrated. The bioMérieux analyzer was compared to the Roche Diagnostics system, and the analytical precision was found to be efficient. Clinical diagnosis performance evaluation confirmed the predictive negative value of S100B in the management of mTBI. Conclusions The study’s data are useful for interpreting serum S100B results on a bioMérieux Vidas® 3 analyzer.
Check out the article’s website on Pubmed for more information:
This article is a good source of information and a good way to become familiar with topics such as: Cobas;S100B;Vidas;assay comparison;sample stability.
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