complications of CNS infections

Question 1

Acute complications of CNS infections

Answer 1

Mental status changes
Raised ICP due to cerebral oedema
Acute seizures- especially encephalitis
Hydrocephalus due to obstruction of CSF pathways
Cranial nerve palsies and focal signs like hemiparesis
Stroke like damage

Question 2

long term complications of CNS infections

Answer 2

• Cognitive and psychological impairments
• deafness (esp after streptococcus pneumonia)
• Epilepsy (especially after encephalitis and abscess)
• Hemiparesis
• NEcessity for ventricular-peritoneal shunt

Question 3

how to prevent complications of viral encephalitis and bacterial meningitis

Answer 3

• Prompt aggressive treatment of infection
• Dexamethasone with abx for meningitis reduces deafness
• Screening for impairments and rehab after infection