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.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
OTHER
Masking
TRIPLE
Enrollment
70
Using ultrasonography, optic nerve sheath diameter is measured during perioperative period.
SMG-SNU Boramae Medical Center
Seoul, South Korea
Optic nerve sheath diameter
Using ultrasonography, optic nerve sheath diameter is measured.
Time frame: 30 minutes after pneuroperitoneum in the Trendelenburg position
Optic nerve sheath diameter
Using ultrasonography, optic nerve sheath diameter is measured.
Time frame: 15 minutes after pneuroperitoneum in the Trendelenburg position
Optic nerve sheath diameter
Using ultrasonography, optic nerve sheath diameter is measured.
Time frame: 60 minutes after pneuroperitoneum in the Trendelenburg position
Optic nerve sheath diameter
Using ultrasonography, optic nerve sheath diameter is measured.
Time frame: 10 minutes after release of pneumoperitoneum and return to the supine position
Optic nerve sheath diameter
Using ultrasonography, optic nerve sheath diameter is measured.
Time frame: At 1 hour after completion of surgery
Optic nerve sheath diameter
Using ultrasonography, optic nerve sheath diameter is measured.
Time frame: At 24 hours after completion of surgery
Nausea and vomiting
The presence and severity of nausea and vomiting is evaluated.
Time frame: At 1 hour after completion of surgery
Headache
The presence and severity of headache is evaluated.
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Time frame: At 1 hour after completion of surgery
Nausea and vomiting
The presence and severity of nausea and vomiting is evaluated.
Time frame: At 24 hours after completion of surgery
Headache
The presence and severity of headache is evaluated.
Time frame: At 24 hours after completion of surgery