Measuring the covering layer of nerve comimg from eye ball with the help of ultrasound machine, in patients undergoing spine surgery in normal lying down and upside down position with apllication of positive pressure during ventilation.
Not Applicable
- Conditions
- Health Condition 1: G55- Nerve root and plexus compressionsin diseases classified elsewhere
- Registration Number
- CTRI/2019/03/017951
- Lead Sponsor
- Sir Ganga Ram Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- ot Yet Recruiting
- Sex
- Not specified
- Target Recruitment
- 0
Inclusion Criteria
1.Giving consent for study
2.ASA Physical status I and II
3.Spinal surgery
4.BMI- 18.5 - 27.5 Kilogram/Meter square
Exclusion Criteria
1.Inability to obtain informed consent
2.History of ocular(posterior segment) or
intracranial surgery
3.Pre-existing intracranial/pulmonary pathology
4.History of hypersensitivity to anaesthetic dugs.
1.Patient refusal
2.History of ocular or cranial surgery
3.Pre existing pulmonary diseade
4.History of bradyarrythmias
5.Patient on beta blockers
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Optic nerve sheath diameter pre surgery in supine position and then in prone position after application of the allocated PEEP settingTimepoint: 1. 15 minutes after induction in supine position <br/ ><br>2. 15 minutes after applying the allocated PEEP setting in prone position
- Secondary Outcome Measures
Name Time Method 1.Mean airway pressure <br/ ><br>2.HemodynamicsTimepoint: Every 15 min after induction of anaesthesia