• J Laparoendosc Adv Surg Tech A · Dec 2016

    Changes in Thiol-Disulfide Homeostasis of the Body to Surgical Trauma in Laparoscopic Cholecystectomy Patients.

    • Murat Polat, Onder Ozcan, Leyla Sahan, Yasemin Üstündag-Budak, Murat Alisik, Nigar Yilmaz, and Özcan Erel.
    • 1 Department of General Surgery, Mugla Sıtkı Kocman University , Mugla, Turkey .
    • J Laparoendosc Adv Surg Tech A. 2016 Dec 1; 26 (12): 992-996.

    ObjectiveWe aimed to investigate the short-term effect of laparoscopic surgery on serum thiol-disulfide homeostasis levels as a marker of oxidant stress of surgical trauma in elective laparoscopic cholecystectomy patients.Materials And MethodsVenous blood samples were collected, and levels of native thiols, total thiols, and disulfides were determined with a novel automated assay. Total antioxidant capacity (measured as the ferric-reducing ability of plasma) and serum ischemia modified albumin, expressed as absorbance units assayed by the albumin cobalt binding test, were determined.ResultsThe major findings of the present study were that native thiol (283 ± 45 versus 241 ± 61 μmol/L), total thiol (313 ± 49 versus 263 ± 67 μmol/L), and disulfide (14.9 ± 4.6 versus 11.0 ± 6.1 μmol/L) levels were decreased significantly during operation and although they increased, they did not return to preoperation levels 24 hours after laparoscopic surgery compared to the levels at baseline. Disulfide/native thiol and disulfide/total thiol levels did not change during laparoscopic surgery.ConclusionsThe decrease in plasma level of native and total thiol groups suggests impairment of the antioxidant capacity of plasma; however, the delicate balance between the different redox forms of thiols was maintained during surgery.

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