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To see what happens to optic nerve diameter when carbon dioxide gas is used during keyhole surgery for thyroid and parathyroid gland

Effect of Carbon Dioxide Insufflation on Optic Nerve Sheath Diameter in Endoscopic Thyroid and Parathyroid Surgery: An observational study - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2024/05/067791
Enrollment
50
Registered
2024-05-21
Start date
Unknown
Completion date
Unknown
Last updated
2024-06-24

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

Conditions

Health Condition 1: E049- Nontoxic goiter, unspecified

Interventions

Intervention1: Opthalmic Ultrasound: Optic Nerve Sheath Diameter will be measured within 30 seconds to 60 seconds at each time points by Opthalmic ultrasound.

Sponsors

AIIMS NEW DELHI
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Age = 18 years 2. American Society of Anaesthesiologists (ASA) physical status 1 and 2. 3. Undergoing elective endoscopic thyroid and parathyroid surgery

Exclusion criteria

Exclusion criteria: 1. Presence of cerebrovascular and neurological disease 2. History of prior neck surgery and neck radiotherapy. 3. History of prior breast surgery. 4. History of orbital trauma. 5. Patient with severe cardiopulmonary disease 6. Body mass index (BMI) = 35 kg/m2

Design outcomes

Primary

MeasureTime frame
To measure the changes in ONSD with respect to CO2 insufflation during endoscopic thyroid and parathyroid surgery.Timepoint: After intubation, after Rose position, at 10 min ,30 min and 60 min of carbon dioxide insufflation and 10 min after carbon dioxide desufflation—

Secondary

MeasureTime frame
To measure adverse events related to elevated ONSD during surgeryTimepoint: at 10 min ,30 min and 60 min of carbon dioxide insufflation—

Countries

India

Contacts

Public ContactDr Sudhansu Sekhar Nayak

AIIMS New Delhi

nayak.sudhansusekhar@gmail.com8874756836

Outcome results

None listed

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