The purpose of this prospective randomized controlled trial is to compare the total consumption of remimazolam between two different administration methods-Target-Controlled Infusion (TCI) and manual infusion-in patients undergoing cerebrovascular bypass surgery.
Who can participate
Inclusion Criteria:
* Patients scheduled to undergo cerebrovascular bypass surgery under general anesthesia.
* American Society of Anesthesiologists (ASA) Physical Status 1, 2, or 3
* Adults aged 19 years or older
* Patients who have provided prior written informed consent to participate in the study
Exclusion Criteria:
* Patients who do not consent to participate in the research
* Patients classified as ASA Physical Status 4
* Patients with a BMI ≤18.5 kg/m2 or 35.0 ≥ kg/m2
* History of allergy to benzodiazepine-class medications
* Patients with acute narrow-angle glaucoma
* Patients in a state of shock or coma
* Acute alcohol intoxication with suppressed vital signs , or patients with alcohol or drug dependency
* Presence of Sleep Apnea Syndrome or severe/acute respiratory failure
* Patients with lactose intolerance or hypersensitivity to Dextran 40
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