Ultrasound measurement of optic nerve sheath diameter for intracranial pressure monitoring during laparoscopic colorectomy

Ultrasound measurement of optic nerve sheath diameter for intracranial pressure monitoring during laparoscopic colorectomy - Ultrasound measurement of optic nerve sheath diameter for intracranial pressure monitoring during laparoscopic colorectomy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000024189

Enrollment

Registered

2017-01-01

Start date

2015-11-25

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

colon cancer

Interventions

measure the optic nerve sheath diameter by sonography

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) The patient who undergoes laparoscopi operation with head down position under general anesthesia in Osaka national hospital 2) At the time of the anesthesia written consent acquisition, age is a patient 20 years or older. 3) It is a patient of class 1-3 by American Society of Anesthesiologists preoperation evaluation classification. 4) Sex: No object 5) The weight: No object 6) Having smoking or not: No object 7) A taste career: No object 8) A concomitant drug: No object

Exclusion criteria

Exclusion criteria: The applicable patient intends for even one following houses and excludes it. 1) It is a patient of class 4-6 by American Society of Anesthesiologists preoperation evaluation classification. 2) In addition, the patient who judged that the medical attendant of the final examination was inappropriate.

Design outcomes

Primary

Measure	Time frame
Wemeasured optic nerve sheath diameter asa the predictive factor of the intracranial peressure during the operation	—

Countries

Japan

Contacts

Public ContactMari Sunohara

Osaka National Hospital division of anesthesiology

sunohara@onh.go.jp06-6942-1331

Outcome results

None listed

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