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Subdural effusion

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Anonymous

14y ago
Updated: 11/10/2020
Definition

A subdural effusion is a collection of pus beneath the outer lining of the brain.

Causes, incidence, and risk factors

A subdural effusion is a rare complication of bacterial meningitis. Subdural effusion is more common in infants and in persons who have meningitis caused by Haemophilus influenzae.

SymptomsSigns and tests

There is often a recent history of bacterial meningitis. Tests include:

Treatment

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.

Expectations (prognosis)

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

Complications from surgery include:

  • Bleeding
  • Damage to brain structures, which can lead to temporary or permanent brain and nervous system (neurological) problems
  • Infection
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
References

Swartz MN. Meningitis: bacterial, viral, and other. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 437.

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14y ago

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