Measurement of Optic Nerve Sheath in Traumatic Raised Intracranial Pressure (MOONSTRIP)

April 26, 2012 updated by: Niv Sne, McMaster University

Trauma patients are at risk for serious head trauma. The consequences of serious head trauma are often life altering. Currently, the only method available to rapidly assess the severity of head injury and need for neurosurgical intervention is the CT scan. This time consuming test requires transportation of a potentially unstable patient to the CT scanner.

The investigators goal in traumatic brain injury is to identify early those patients who may require neurosurgical intervention. Brain swelling (elevated intracranial pressure) is transmitted to the eye and this can be measured with ultrasound. The investigators hypothesis is that this test will rule out significant elevations in intracranial pressure and perform as well as CT scan in doing this.

The investigators study aims to demonstrate that ultrasound of the optic nerve is as good as CT scan in ruling out clinically significant elevations in pressure within the brain. After consent has been obtained, any trauma patient who has an indication to undergo CT scan of the brain will also undergo ultrasound of the eye. A radiologist will then review the CT scans to determine if signs of elevated intracranial pressure are present. The investigators hope to demonstrate that a bedside ultrasound performed in the trauma suite is reliable for ruling out the possibility of elevated intracranial pressure.

**Update August 2009** Currently, deferred consent has been obtained from our REB allowing us to defer consent for this intervention of minimal risk. As well, REB has also approved phone consent in the interim.

Study Overview

Status

Unknown

Conditions

Study Type

Observational

Enrollment (Anticipated)

560

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

  • Canada
    • Ontario
      • Hamilton, Ontario, Canada, L8L2X2
        • Hamilton General Hospital

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

16 years and older (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients who present to the emergency department with suspected closed head injury as a result of blunt trauma and require CT head

Description

Inclusion Criteria:

  • Age greater or equal to 16 involved in blunt trauma.
  • Patient is to undergo a CT of the head to evaluate suspected closed head injury
  • Consent and ultrasound can be preformed within 1 hour before or after CT of the head

Exclusion Criteria:

  • Penetrating trauma to the head or significant ocular trauma
  • Patients not expected to survive transfer out of the emergency room department
  • Patient is too unstable to undergo a CT of the head or ultrasound of the optic nerve

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

  • Observational Models: Cohort
  • Time Perspectives: Prospective

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Elevation in intracranial pressure as estimated by CT scan or ICP monitor
Time Frame: Immediate
Immediate

Collaborators and Investigators

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

Sponsor

McMaster University

Collaborators

The Physicians' Services Incorporated Foundation

Investigators

  • Principal Investigator: Niv Sne, MD FRCSC, Hamilton Health Sciences Corporation
  • Study Chair: Andrew J Healey, MD FRCPC, Hamilton Health Sciences Corporation

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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

October 1, 2008

Primary Completion (Anticipated)

August 1, 2012

Study Completion (Anticipated)

August 1, 2012

Study Registration Dates

First Submitted

October 31, 2008

First Submitted That Met QC Criteria

October 31, 2008

First Posted (Estimate)

November 2, 2008

Study Record Updates

Last Update Posted (Estimate)

April 27, 2012

Last Update Submitted That Met QC Criteria

April 26, 2012

Last Verified

April 1, 2012

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • PSI-34-2008

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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