Skip to content

Using ultrasound to measure the width of nerve supplying the eye in adults posted for laparoscopic surgeries under general anesthesia

Serial Ultrasonographic Assessment of Optic Nerve Sheath Diameter in Adults Scheduled for Elective Abdominopelvic Laparoscopic Surgery under General Anaesthesia: A Prospective Observational Study - nil

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2024/06/068979
Enrollment
55
Registered
2024-06-14
Start date
Unknown
Completion date
Unknown
Last updated
2025-12-08

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

Conditions

Health Condition 1: -

Interventions

Intervention1: nil: nil Intervention2: nil: nil Control Intervention1: nil: nil

Sponsors

AIIMS Bathinda
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: a) Adults between the age of 18-70 years posted for elective abdominopelvic laparoscopic surgery. b) ASA physical status I, II or III.

Exclusion criteria

Exclusion criteria: a) Refusal to provide informed consent. b) Patients with a history suggestive of glaucoma, any active ocular infection or any ocular injury. c) Patients with history suggestive of any intra-cranial pathology. d) Conversion of laparoscopic procedure into open surgery intra-operatively due to any reason.

Design outcomes

Primary

MeasureTime frame
Optic Nerve Sheath DiameterTimepoint: T1 - before induction T2 â?? after intubation T3 â?? before insufflation T4 â?? after insufflation T5 â?? after exsufflation T6 â?? after extubation

Secondary

MeasureTime frame
Hemodynamic ParameterTimepoint: T1 - before induction of anaesthesia (baseline). T2 â?? after securing the airway. T3 â?? five minutes after intubation but before insufflation to create pneumoperitoneum. T4 â?? after insufflation and stabilization of pneumoperitoneal pressure at IAP of 12 mm Hg. T5 â?? after exsufflation of pneumoperitoneum. T6 â?? after extubating the trachea of the patient.;ONSD changes in Patients intubated with endotracheal tube vs supraglottic airway deviceTimepoint: T1 - before induction of anaesthesia (baseline). T2 â?? after securing the airway. T3 â?? five minutes after intubation but before insufflation to create pneumoperitoneum. T4 â?? after insufflation and stabilization of pneumoperitoneal pressure at IAP of 12 mm Hg. T5 â?? after exsufflation of pneumoperitoneum. T6 â?? after extubating the trachea of the patient.

Countries

India

Contacts

Public ContactOmna Trivedi

All India Institute of Medical Sciences, Bathinda

omnatrivedi1999@gmail.com8830172361

Outcome results

None listed

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