Abstract
Objective: To investigate whether lipid and protein oxidation products are elevated and correlated with routine clinical markers of hepatic and renal function in patients anesthetized with halothane, isoflurane, or sevoflurane.Methods: Urine and blood samples were collected from patient groups. Excretion of aldehydes, acetone, and o,o’-dityrosine was measured before and after anesthesia. Blood samples were analysed for clinical markers.Results: Urinary concentrations of aldehydes, acetone, o,o’-dityrosine and glucose were significantly increased after anesthesia in halothane and sevoflurane groups earlier than clinical markers. Significant correlations were found in sevoflurane group.Conclusion: Lipid and protein oxidation contributes to subclinical sevoflurane nephrotoxicity. Oxidation products may serve as early biomarkers.
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