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Comparison of the Results of Sodium, Potassium, and Chlorine Measured Through Ion Selective Electrode (ISE) Method in Different Devices
(Selçuk Üniversitesi, 2022) Akdağ, Turan; Kader, Saadet; Dost, Hüseyin; Ünlü, Ali
Objective: The measurements of electrolytes are an indispensable part of the routine tests performed in clinical biochemistry laboratories. In the present study, we aimed to evaluate Na, K, and Cl electrolytes with the ISE method in the Mindray BS-800M and Beckman Coulter AU5800 devices. Material and methods: The serum samples were obtained from the healthy volunteers admitted to the Karapınar State Hospital for control purposes between January and April 2021. The sample probe was conducted using the same indirect method in the Mindray BS-800M and Beckman Coulter AU5800 devices, which is an individual sample probe for the ISE method. Results: While the comparative measurements were performed on different devices, the correlations between the electrolytes were found as follows: Na [r=0.964, 95% CI (0.52-0.90)], K [r=0.995, 95% CI (0.09-0.12)], and Cl [r=0.972, 95% CI (0.69-1.12)]. Moreover, a correlation was also found between these results. Conclusion: A consistency between the measured Na, K, and Cl electrolytes was determined on the different analyzers. Also, a positive correlation was determined between those electrolytes. We consider that further and comprehensive studies are needed to elucidate these results.