None listed
Conditions
Interventions
None listed
Sponsors
Hanyang University Seoul Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: - Patients aged 20 to 65 years old undergoing trans-oral robotic surgery under general anesthesia - Grade I and II of American Society of Anesthesiologist (ASA) physical status classification system
Exclusion criteria
Exclusion criteria: - Patients who disagree with this study. - Patients with hypertension or diabetes - Patients with history of surgery, such as corneal surgery, glaucoma, cataracts, and intraocular lens insertion for vision correction - Patients with history of an increased intracranial pressure or central nervous system diseases such as a brain tumor
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the optic nerve sheath diameter (ONSD) | — |
Secondary
| Measure | Time frame |
|---|---|
| the optic nerve sheath diameter;vital sigh(blood pressure, heart rate, saturation, and electrocardiogram);end-tidal carbon dioxide pressure, peak inspiratory pressure and plateau pressure of carbon dioxide pressure;total operation time, total anesthesia time, recovery time;real blood loss, input and output during surgery;vital sign(blood pressure, heart rate, saturation, and electrocardiogram), naussa and vomitting, dizziness, and headache | — |
Countries
Korea, Republic of
Contacts
Public ContactHyunyoung Lim
Hanyang University Seoul Hospital
Outcome results
None listed