Effect of Sevoflurane and Propofol on the Optic Nerve Sheath Diameter

SMG-SNU Boramae Medical Center58 enrolled

Overview

In the present study, we compare the effect of sevoflurane and propofol on the optic nerve sheath diameter in patients undergoing middle ear surgery.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Optic Nerve Sheath Diameter

Interventions

Ultrasound examination of the optic nerve sheath diameterDIAGNOSTIC_TEST

The optic nerve sheath diameter is examined using ultrasonography.

Eligibility

Sex: ALLMin age: 20 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Patients undergoing middle ear surgery Exclusion Criteria: * History of cerebrovascular diseases * Increased intracranial pressure * History of ophthalmic surgery or diseases

Locations (1)

SMG-SNU Boramae Medical Center

Seoul, South Korea

Outcomes

Primary Outcomes

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.

Time frame: At 1 minute after the induction of anesthesia and at 1 minute after the end of surgery

Secondary Outcomes

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.

Time frame: At 1 minute after the induction of anesthesia and at 1 minute after the end of surgery

Nausea and vomiting

Presence and severity of nausea and vomiting is assessed.

Time frame: At 1 hour after surgery

Data from ClinicalTrials.gov

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