Traumatic Brain Injury or Sub Arachnoid Haemorrhage and the relationship with Optic Nerve Sheath Diameter.

Status

Withdrawn

Phases

Unknown

Study type

Observational

Source

ANZCTR

Registry ID

ACTRN12612000037808

Enrollment

Registered

2012-01-09

Start date

2012-02-01

Completion date

Unknown

Last updated

2020-01-13

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

Conditions

None listed

Brief summary

Hypothesis Optic nerve sheath (ONS) diameter increases with raised intracerebral pressure in patients with traumatic brain injury (1) and subarachnoid haemmorhage (2) and this is detectable in intensive care patients by a rapid ultrasound examination of the eye.

Interventions

In this study we are looking at using a rapid ultrasound procedure to the eye to look at the optic nerve sheath (ONS) diameter. The ultrasound scan involves gentle placement of an ultrasound probe on the closed eyelid of an unconscious, sedated patientThe ONS diameter will be compared with intracerebral pressure monitors and radiologist interpretation of CT scans to establish whether or not a detectable correlation exists. Duration 18 months

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

Patient selection There will be 2 groups of patients who present acutely with either: 1. Traumatic brain injury 2. Subarachnoid haemorrhage (Grade 3-5) All patients will be subject to entry into the study as long as: >18 years, no upper age exclusion Acute presentation to Hospital Suffering from either traumatic brain injury or subarachnoid haemmorhage that is so severe they require intubation and ventilation in Intensive Care.

Exclusion criteria

No ocular trauma/pathology.

Outcome results