The effects of general anesthesia on visual pathway function in human

The effects of general anesthesia on visual pathway function in human - The effects of general anesthesia on visual pathway function

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000017646

Enrollment

100

Registered

2015-05-30

Start date

2015-03-03

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

none

Interventions

ERG and VEPs are measured at three different end-tidal concentrations of sevoflurane (0.5-1.5 minimum alveolar concentration). ERG and VEPs are measured at three different effect-site concentrations

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients (ASA I-II) scheduled for non-neurological elective surgeries are enrolled in this study.

Exclusion criteria

Exclusion criteria: Patients with decreased visual acuity are excluded from the study.

Design outcomes

Primary

Measure	Time frame
electroretinogram	—

Secondary

Measure	Time frame
visual evoked potential	—

Countries

Japan

Contacts

Public ContactTanaka Ryusuke

Shinshu university school of medicine Department of anesthesiology and resuscitology

rtanaka@shinshu-u.ac.jp0263-37-2670

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026