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In the present study, we compare the effect of sevoflurane and propofol on the optic nerve sheath diameter in patients undergoing middle ear surgery.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Sevoflurane group | Anesthesia is maintained with sevoflurane during the surgery. |
| |
| Propofol group | Anesthesia is maintained with total venous anesthesia using propofol during the surgery. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Ultrasound examination of the optic nerve sheath diameter | Diagnostic Test | The optic nerve sheath diameter is examined using ultrasonography. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change of the optic nerve sheath diameter | The optic nerve sheath of each eye is observed using ultrasound, and the optic nerve sheath diameter is assessed after induction of anesthesia and at the end of surgery. | At 1 minute after the induction of anesthesia and at 1 minute after the end of surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Optic nerve sheath diameter at each time point | The optic nerve sheath of each eye is observed using ultrasound, and the optic nerve sheath diameter is assessed after induction of anesthesia and at the end of surgery. | At 1 minute after the induction of anesthesia and at 1 minute after the end of surgery |
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Inclusion Criteria:
Exclusion Criteria:
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Patients undergoing middle ear surgery under general anesthesia
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| SMG-SNU Boramae Medical Center | Seoul | South Korea |
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| Nausea and vomiting |
Presence and severity of nausea and vomiting is assessed. |
| At 1 hour after surgery |