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To analyse changes in optic nerve sheath diameter in with various levels of end tidal carbon dioxide.

Optic nerve sheath diameter response to end tidal carbon dioxide variation with ultrasonography in patients under general anaesthesia. - ONSD

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2018/12/016489
Enrollment
100
Registered
2018-12-03
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

Health Condition 1: K801- Calculus of gallbladder with othercholecystitis

Interventions

Intervention1: Optic Nerve Sheath Diameter at EtCO2 30 mmHG: Sonographic measurement of optic nerve sheath diameter at 1 min and 5 min interval at EtCO2 30 mmHg Control Intervention1: Optic Nerve Shea

Sponsors

Dr Aman Malawat
Lead Sponsor
Dr Durga Jethava
Collaborator

Eligibility

Inclusion criteria

Inclusion criteria: Patient with ASA CLASS I/ II Patient aged 18-70 years Patients scheduled for laproscopic cholecystectomy under general anesthesia Patientâ??s written and informed consent

Exclusion criteria

Exclusion criteria: Patient with ASA CLASS III, IV & V Patients with a history of head injury, any respiratory or cardiovascular system disease. Non consenting patients

Design outcomes

Primary

MeasureTime frame
Optic nerve sheath diameter at various levels of EtCO2Timepoint: â?¢ Optic nerve sheath diameter with EtCO2 30 mmHg at 1 minute â?¢ Optic nerve sheath diameter with EtCO2 30 mmHg at 5 minutes â?¢ Optic nerve sheath diameter with EtCo2 40 mmHg at 1 minute â?¢ Optic nerve sheath diameter with EtCo2 40 mmHg at 5 minutes—

Secondary

MeasureTime frame
Mean arterial pressure (MAP), heart rate, body temperatureTimepoint: 1 MIN and 5 min at EtCO2 30 mmHg and EtCO2 40 mmHg respectively—

Countries

India

Contacts

Public ContactDr Aman Malawat

Mahatma Gandhi Medical College and Hospital

djethava@gmail.com9414452382

Outcome results

None listed

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