Intracranial Hypertension and Optic Nerve Sheath Diameter

You may be eligible if

• For the 97 patients:
• children from 2 months to 16 years
• in the intensive care unit
• TBI : moderate (GCS between 9 and 12) to severe (GCS \<9), whatever the mechanism involved
• informed consent form signed by parents
• obesity (BMI \> 97th percentile for the age)
• patient already under replacement therapy.
• patient taking AEDs
• patient with long-term systemic corticosteroid therapy
• history of neurological disease or learning difficulties
• no covered by a national health insurance