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Continuously measured in the horizontal plane, by ultrasound optic nerve sheath diameter and the correlation between the end tidal partial pressure of carbon dioxide.

Continuously measured in the horizontal plane, by ultrasound optic nerve sheath diameter and the correlation between the end tidal partial pressure of carbon dioxide.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0000573
Enrollment
14
Registered
2012-11-08
Start date
2012-12-03
Completion date
Unknown
Last updated
2019-03-11

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

Conditions

None listed

Interventions

None listed

Sponsors

Asan Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Patients undergoing ACDF surgery with general anesthesia. 2.Patients with ASA class 1.2 3.Patients without neurological disease 4 Patients without lung and heart disease 5 BMI <30

Exclusion criteria

Exclusion criteria: 1.patients with ocular damage or optic nerve disease 2.Clinically suspected patients with the rise in intracranial pressure. 3.Patients with such as mannitol, barbiturate therapy for intracranial pressure to decrease. 4.Patients with intracranial disease 5.Patients with severe heart or lung disease 6 Patients with BMI 30 or greater.

Design outcomes

Primary

MeasureTime frame
optic nerve sheath diameter—

Secondary

MeasureTime frame
end expiratory partial pressure of CO2—

Countries

Korea, Republic of

Contacts

Public ContactJi Yeon

Asan Medical Center

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026