Ultrasound guided measurement of optic nerve sheath diameter for intra cranial pressure measurement in postoperative patients

To evaluate and compare the changes in intracranial pressure by ultrasonographically measuring optic nerve sheath diameter following tracheal intubation using flexometallic versus conventional cuffed endotracheal tube in patients undergoing surgery in prone position - NIL

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2024/03/063730

Enrollment

Registered

2024-03-06

Start date

Unknown

Completion date

Unknown

Last updated

2024-04-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: S320- Fracture of lumbar vertebra

Interventions

Control Intervention1: Ultrasound guided measurement of optic nerve sheath diameter in patients for orthopaedic and neurosurgery in prone position: Tracheal intubation with appropriate size flexometal

Eligibility

Inclusion criteria

Inclusion criteria: Scheduled for elective surgery in prone position surgery time of minimum 2 hour Patient with American Society of Anaesthesiologists (ASA) physical status I,II,III Patient who will give consent to be enrolled in the study

Exclusion criteria

Exclusion criteria: Patients with a history of ophthalmic surgery, glaucoma, diabetic retinopathy, cataract, retinal detachment, advanced-stage lung disease and advanced-stage cerebral disease. Refusal for consent. Patients with ASA IV or higher status. Patients with elevated peak pressure intraoperatively.

Design outcomes

Primary

Measure	Time frame
ONSD using USG at time points at specific times in both eyesTimepoint: T0 After induction and before intubation T1 3 minutes after intubation in supine position T2 immediately on turning in supine position T3 5 minutes after extubation	—

Secondary

Measure	Time frame
To study haemodynamic parameters To study Airway dynamics of patients intraoperatively To study incidence of postoperative sore throat To study complications if anyTimepoint: Every 15 minutes	—

Countries

India

Contacts

Public ContactNeha Bahadur

Dr Rajender prasad government medical college Tanda

versh2u@yahoo.co.in9418152286

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026