Two Different Ways of Placing a Breathing Tube and their Effect on the Eye During Gallbladder Surgery

Comparison of video laryngoscope with direct laryngoscope for the effect of laryngoscopy and intubation on optic nerve sheath diameter in adult patients undergoing laparoscopic cholecystectomy - Nil

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2025/09/094916

Enrollment

Registered

2025-09-16

Start date

Unknown

Completion date

Unknown

Last updated

2025-10-13

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

Conditions

Health Condition 1: K00-K95- Diseases of the digestive system

Interventions

Intervention1: Laryngoscopy and intubation using video laryngoscope: Preoxygenation with 100% o2 Fentanyl 2 mcg/kg iv Propofol 2 mg/kg iv Vecuronium 0.1mg/kg iv Inhalation with n2o and isoflurane Dura

Eligibility

Inclusion criteria

Inclusion criteria: ASA 1 and ASA 2 patients undergoing laparoscopic cholecystectomy

Exclusion criteria

Exclusion criteria: Patients with anticipated difficult airway, neurological conditions, patients with history of eye infections and diabetic retinopathy, history of intracranial or intraocular surgery

Design outcomes

Primary

Measure	Time frame
1. Optic nerve sheath diameterTimepoint: 1. At baseline 2. 1,3 & 5 minutes after intubation 3. 10 and 60 minutes after insufflation of pneumoperitoneum 4.10 minutes after desufflation of pneumoperitoneum	—

Secondary

Measure	Time frame
1. Systolic Blood Pressure 2. Diastolic Blood Pressure 3. Mean Arterial Pressure 4. Oxygen SaturationTimepoint: 1. At baseline 2. 1,3 & 5 minutes after intubation 3. 10 and 60 minutes after insufflation of pneumoperitoneum 4.10 minutes after desufflation of pneumoperitoneum	—

Countries

India

Contacts

Public ContactDr Deepti Saigal

Vardhman Mahavir Medical College and Safdarjung Hospital

deeptisaigal21@gmail.com8595611255

Outcome results

None listed

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