The Effects of Sevoflurane and Desflurane Used in Low-Flow Anesthesia on Thiol Disulfide Homeostasis

Inclusion Criteria: * Patients who were scheduled to undergo elective total thyroidectomy under general anesthesia Exclusion Criteria: * Patients with diabetes mellitus, alcohol or drug addiction, smoking habits, expected difficult intubation, morbid obesity, chronic obstructive pulmonary disease, cardiovascular disease and those in pregnancy or lactation period were excluded from the study.