Comparison of the Effects of Sevoflurane and Desflurane on Optic Nerve Sheath Diameter During Laparoscopic Surgery

Laparoscopic surgeries require pneumoperitoneum and Trendelenburg position, which may lead to increased intracranial pressure (ICP). Optic nerve sheath diameter (ONSD) measurement via ultrasound is a non-invasive method to evaluate ICP. This prospective study aims to compare the effects of sevoflurane and desflurane on ONSD in patients undergoing laparoscopic hysterectomy and bilateral oophorectomy in the Trendelenburg position.

The primary objective of this study is to compare the ONSD values measured by ultrasound between the sevoflurane and desflurane groups. The secondary objective is to evaluate the relationship between ONSD changes, hemodynamic parameters, and postoperative neurological complications.

Inclusion Criteria: * Patients planned for laparoscopic hysterectomy bilateral oophorectomy surgery under general anesthesia. Exclusion Criteria: * Patients receiving beta-blocker or diuretic treatment. * Patients with severe heart failure. * Patients diagnosed with diabetes with ocular or neurological complications. * Patients who have undergone cardiac surgery, eye surgery, brain surgery, or thoracic surgery. * Patients with a history of hydrocephalus, glaucoma, intracranial mass, and stroke.