Patients undergoing general anesthesia General Anesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Healthy adult consented to participate in this study. 2. Patients with an American Society of Anesthesiologists pre-anesthesia risk rating of 2 or less 3. Patient who can be obtained cerebral blood flow velocity signal by transcranial Doppler ultrasonography.
Exclusion criteria
Exclusion criteria: 1. Patients who refuse to participate in the study. 2. Patients who are deemed inappropriate as research subjects by the principal investigator. 3. Patients with a history of allergy to general anesthetic or food (dairy and soybean). 4. Patients with an American Society of Anesthesiologists pre-anesthesia risk rating of 3 or more. 5. Patients who have cerebrovascular disorder and an abnormal value of the intracranial pressure. 6. Patients undergoing an epidural or a peripheral nerve block with general anesthesia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Intracranial Pressure | — |
Secondary
| Measure | Time frame |
|---|---|
| Cerebral blood flow, vaital sign, autonomic nerve activity, circulatory regulation. | — |
Contacts
Nihon university school of medicione