A subdural effusion is a collection of fluid trapped between the surface of the brain and the outer lining of the brain (the dura matter). If this fluid becomes infected, the condition is called a subdural empyema.
Causes, incidence, and risk factors
A subdural effusion is a rare complication of bacterial
Bulging fontanellesin babies
- Increased head circumference
- Persistent fever
Seizures Separated suturesin babies
- Weakness or loss of movement on both sides of the body
Signs and tests
The doctor or nurse will examine you. Tests include:
CT scan of the head
Head size (circumference) measurements
MRI scan of the head
Ultrasoundof the head
Surgery to drain the effusion is often necessary. Rarely, a permanent drainage device (shunt) is needed to drain fluid. Antibiotics may need to be given through a vein.
Full recovery from a subdural effusion is expected. If neurological problems continue, they are generally due to the meningitis, not the effusion. Long-term use of antibiotics is usually not necessary.
Complications from surgery include:
Calling your health care provider
Call your health care provider if:
Your child has recently been treated for meningitis and symptoms continue
New symptoms develop