Colon cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. ASA I-III class; 2. Aged 18-80 years; 3. Obtain informed consent from the patient's family.
Exclusion criteria
Exclusion criteria: 1. Preexisting eye disease(diabetic retinopathy, glaucoma, and retinal detachment), history of ophthalmologic surgery, brain disease, and history of brain surgery. 2. Recently, drugs that affect ICP(such as acetazamide, adrenal corticosteroids, etc.) have been taken to affect the absorption and reflux of cerebrospinal fluid. 3. Patients with cognitive dysfunction and a history of mental illness
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| optic nerve sheath diameter ; | — |
Countries
China
Contacts
Anesthesiology Department, Xinhua Hospital Affiliated to Shanghai Jiaotong University Medical College