Evaluation of change of optic nerve sheath diameter during cardiovascular surgery

Evaluation of change of optic nerve sheath diameter during cardiovascular surgery - ECOCAS

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000020184

Enrollment

Registered

2015-12-14

Start date

2015-09-13

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

Cardiac valve disease or aortic arch disease

Interventions

A ultrasound (iE33, Philips, Netherlands) with linear transducer (11 to 7MHz) was used intraoperatively for measurement of optic nerve sheath diameter (ONSD). Measurement of ONSD were performed at 3

1 after induction of anesthesia, 2 during cardiopulmonary bypass, 3 after cardiopulmonary bypass. It takes several tens of seconds for each measurement.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing cardiovascular surgery with cardiopulmonary bypass

Exclusion criteria

Exclusion criteria: No disturbance of consciousness before surgery, Severer visual dysfunction

Design outcomes

Primary

Measure	Time frame
Change of optic nerve sheath diameter	—

Secondary

Measure	Time frame
Association between postoperative cerebral disfunction and change of optic nerve sheath diameter	—

Countries

Japan

Contacts

Public ContactYuki Ogawa

Nara Medical University Anesthesiology

yvljohbxb0219@gmail.com0744-22-3051

Outcome results

None listed

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