Brain Injuries, Neuro-intensive Care Unit Patients
Conditions
Keywords
Neuro-ICU, Third ventricle, Computer Tomography, Transcranial Doppler ultrasonography
Brief summary
Transcranial Doppler ultrasonography is usually used in the evaluation and management of patients with brain injury. This noninvasive method measures local blood flow velocity and direction in the proximal portions of large intracranial arteries. The operator requires a short training and experience to perform. The third ventricle diameter measurement by transcranial duplex flow sonography was performed in healthy volunteers . This studies show similar results in those obtained with the MRI or Computer Tomography (CT). Currently the third ventricle diameter measurements by transcranial Doppler ultrasonography was not validated for neuro-intensive care unit patients. The investigators propose to used recent ultrasound system to validate the third ventricle diameter measurements in comparison with the standard method (CT).
Detailed description
Transcranial Doppler ultrasonography is usually used in the evaluation and management of patients with brain injury. This noninvasive method measures local blood flow velocity and direction in the proximal portions of large intracranial arteries. The operator requires a short training and experience to perform. The third ventricle diameter measurement by transcranial duplex flow sonography was performed in healthy volunteers . This studies show similar results in those obtained with the MRI or Computer Tomography (CT). Currently the third ventricle diameter measurements by transcranial Doppler
Interventions
DEVICETranscranial Doppler ultrasonography measurements
Third ventricle diameter measurements with standard method (CT) and Transcranial Doppler ultrasonography
Sponsors
University Hospital, Montpellier
Study design
Observational model
OTHER
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
18 Years to 100 Years
Healthy volunteers
No
Inclusion criteria
* Adult, \> or equal to 18-yr * Admission to neuro-intensive care unit with brain injury * Evaluation by Computer Tomography * Indication for Transcranial Doppler ultrasonography
Exclusion criteria
* Opposition to participate by the patient or a next of kin
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Third ventricle diameter (average +/- standard deviation) | Through study completion (30 months) | Spearman's test measuring the correlation coefficient between the third ventricle diameter measured by the expert using the ultrasonography and the third ventricle diameter measured by CT scan. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Residents' learning curve | 24 months | The learning curve will be determined by the change in the third ventricle diameter's difference obtained by the expert and the resident, divided by the diameter obtained by the expert reported on the Y-axis and the number of measures done by the resident reported on the X-axis. Number of measures to be done will be determined when the curve reached the zero. |
Countries
France
Outcome results
None listed