Optic Nerve Sheath Diameter
Conditions
Brief summary
This study aims to compare the change of optic nerve sheath diameter in obese and non-obese patients undergoing laparoscopic gynecological surgery in a steep Trendelenburg position.
Interventions
OTHERUltrasound assessment of optic nerve sheath diameter
Using ultrasonography, optic nerve sheath diameter is measured during perioperative period.
Sponsors
SMG-SNU Boramae Medical Center
Study design
Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
TRIPLE (Subject, Investigator, Outcomes Assessor)
Eligibility
Sex/Gender
FEMALE
Age
19 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* Patients undergoing laparoscopic gynecological surgery
Exclusion criteria
* Ophthalmic diseases * Previous history of ophthalmic surgery. * Neurological disorders * History of head surgery.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Optic nerve sheath diameter | 30 minutes after pneuroperitoneum in the Trendelenburg position | Using ultrasonography, optic nerve sheath diameter is measured. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Optic nerve sheath diameter | 15 minutes after pneuroperitoneum in the Trendelenburg position | Using ultrasonography, optic nerve sheath diameter is measured. |
| Nausea and vomiting | At 1 hour after completion of surgery | The presence and severity of nausea and vomiting is evaluated. |
| Headache | At 1 hour after completion of surgery | The presence and severity of headache is evaluated. |
Countries
South Korea
Outcome results
None listed