Sevoflurane Versus Propofol: A Comparision on Stress Response in Patients Undergoing Elective Lombar Disc Surgery

Lumbar microdiscectomy is the most preferred surgical method in lumbar disc disease and successful results are obtained with the right indication and appropriate surgery. After the operation, rapid and dramatic improvements are observed in terms of pain complaints and neurologic deficits. The recovery process in these patients may be related to many reasons and may also be associated with stress inflammatory marker response.

The two main agents used in maintenance for general anesthesia are inhalation and intravenous anesthetics. Both inhalation anesthesia and TIVA (Total Intravenous Anesthesia) approaches provide general anesthesia suitable for surgical operations.Previous studies have shown that inhalation agents alter immune processes and are proinflammatory. In contrast, propofol has been shown to suppress tumor growth and has anti-inflammatory and antioxidant activities.

The aim of investigators' for this study was to investigate the effect of different anesthetic agents on stress inflammatory response in the preoperative, peroperative and postoperative periods.

This single-center prospective,observational study was approved by Institutional Ethics Committee (Decision number: 2024/010.99/15, Date: 28/02/2024) and was started to performed in accordance with the Declaration of Helsinki. In this study, 40 patients in the ASA I-II group who will be operated electively for lumbar disc herniation between March and June 2023 in the operating room of the Neurosurgery Department of Kartal Dr Lütfi Kırdar City Hospital will be divided into two groups to be maintained with sevoflurane or propofol by appropriate randomization.

Blood samples collected before surgical intervention (T1), intraoperative 30 minutes (T2) and postoperative 12 hours (T3) will be analyzed and parameters that may be related to stress inflammatory response such as glucose, WBC, procalcitonin, CRP, erythrocyte sedimentation rate, transferrin, ferritin, albumin, prealbumin will be compared.