Changes in Optic Nerve Sheath Diameter in Patients Undergoing Spinal Surgery in the Prone Position
- Conditions
- Optic Nerve Sheath Diameter
- Registration Number
- NCT04301817
- Lead Sponsor
- SMG-SNU Boramae Medical Center
- Brief Summary
Long standing prone position could affect vision or optic nerve. To measure the optic nerve sheath diameter using ultrasound is quick and useful assessments of patients.
This study will look at the change of optic nerve sheath diameters of patients undergoing surgery in prone position
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- UNKNOWN
- Sex
- All
- Target Recruitment
- 50
Inclusion Criteria
- Patients undergoing surgery in prone position
Exclusion Criteria
- Patients who did not agree to participate in the study
- Patients has ophthalmic diseases
- Patients has previous history of ophthalmic surgery.
- Patients has neurological disorders.
- Patients has history of head surgery.
- Severe anaphylactic allergy to ultrasound gel or Tegaderm
Study & Design
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Change optic nerve sheath diameter 0,1,3,6,24 and 48 hours Change in Optic nerve sheathe diameter from baseline, before surgery, immediate after surgery (prone, supine), 1,3,6,24 and 48 hours after completion of surgery
- Secondary Outcome Measures
Name Time Method