Abstract
PurposeQuantitative monitoring of the redox status is the foundation for redox-related treatment. The purpose of this study was to evaluate the reliability of a new depolarization curve method for plasma redox potential (ORP) monitoring.MethodsUsing the new method, we performed redox determinations for the first time under different sample-handling conditions, including redox titration experiments using KMnO4 and vitamin C and dynamic redox monitoring in burn patients. The relative ORP value (ΔORP) method (improved traditional method) was used as the reference.ResultsThe new method's better reliability, electrochemical specificity and practicability, and known group validity, which are closely associated with the redox-related pathological processes of severe burns, were confirmed. Furthermore, bidirectional change in the redox status in severe burn patients was also observed for the first time.ConclusionsThis simple, stable new method could be a better practical tool for making the dynamic monitoring of the redox status feasible and for providing useful quantitative information for the judgment of redox-related pathological process, thus improving corresponding individualized treatments that rely on quantitative adjustments to the redox status.
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