Continuously measured in the horizontal plane, by ultrasound optic nerve sheath diameter and the correlation between the end tidal partial pressure of carbon dioxide.
Not Applicable
Completed
- Conditions
- Diseases of the nervous system
- Registration Number
- KCT0000573
- Lead Sponsor
- Asan Medical Center
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 14
Inclusion Criteria
1.Patients undergoing ACDF surgery with general anesthesia.
2.Patients with ASA class 1.2
3.Patients without neurological disease
4 Patients without lung and heart disease
5 BMI <30
Exclusion Criteria
1.patients with ocular damage or optic nerve disease
2.Clinically suspected patients with the rise in intracranial pressure.
3.Patients with such as mannitol, barbiturate therapy for intracranial pressure to decrease.
4.Patients with intracranial disease
5.Patients with severe heart or lung disease
6 Patients with BMI 30 or greater.
Study & Design
- Study Type
- Observational Study
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method optic nerve sheath diameter
- Secondary Outcome Measures
Name Time Method end expiratory partial pressure of CO2