The Effect of Pneumoperitoneum on Intracranial Pressure in Pediatric Laparoscopic Surgery: Ultrasonographic Measurement of Optic Nerve Sheath Diameter

September 25, 2013 updated by: Yonsei University
The pneumoperitoneum during laparoscopic surgery in pediatrics has the potential to cause an increase of intracranial pressure (ICP). Previous studies have proposed that ultrasonographic measurements of the optic nerve sheath diameter (ONSD) correlate with signs of increased ICP. Therefore, this study aims to confirm the increased ICP by ultrasonographic measurement of ONSD during laparoscopic surgery in pediatric patients.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

25

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Korea, Republic of
      • Seoul, Korea, Republic of, 120-752
        • Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

No older than 9 years (Child)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

pediatric patients undergoing laparoscopic surgery under general anesthesia

Description

Inclusion Criteria:

1. pediatric patients (under 9 yrs) scheduled for undergoing laparoscopic surgery under general anesthesia

Exclusion Criteria:

1. Patients with previous history of neurologic disease or neurosurgery, ocular disease or ocular surgery

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
laparoscopic surgery under general anesthesia
pediatric patients undergoing laparoscopic surgery under general anesthesia
Device: ultrasonographic measurement of optic nerve sheath diameter
A thick layer of gel is applied on the upper closed eyelid. The linear 13- to 6-MHz ultrasound probe is then placed in the gel, without exerting pressure on the eye. Two measurements are taken for each optic nerve: one in the transverse plane, with the probe being horizontal, and one in the sagittal plane, with the probe being vertical. The final ONSD is the mean of these measurements.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
ultrasonographic measurement of optic nerve sheath diameter
Time Frame: change of ultrasonographic measurement of optic nerve sheath in 10 minutes after anesthesia induction, 10 minutes after pneumoperitoneum, and 10 minutes after CO2 desufflation.
A thick layer of gel is applied on the upper closed eyelid. The linear 13- to 6-MHz ultrasound probe is then placed in the gel, without exerting pressure on the eye. Two measurements are taken for each optic nerve: one in the transverse plane, with the probe being horizontal, and one in the sagittal plane, with the probe being vertical. The final ONSD is the mean of these measurements.
change of ultrasonographic measurement of optic nerve sheath in 10 minutes after anesthesia induction, 10 minutes after pneumoperitoneum, and 10 minutes after CO2 desufflation.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Yonsei University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

April 1, 2013

Primary Completion (Actual)

August 1, 2013

Study Completion (Actual)

August 1, 2013

Study Registration Dates

First Submitted

April 17, 2013

First Submitted That Met QC Criteria

April 22, 2013

First Posted (Estimate)

April 25, 2013

Study Record Updates

Last Update Posted (Estimate)

September 27, 2013

Last Update Submitted That Met QC Criteria

September 25, 2013

Last Verified

September 1, 2013

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 4-2013-0090

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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