Normal Pressure Hydrocephalus Flashcards
1
Q
what is normal pressure hydrocephalus?
A
reversible cause of dementia seen in elderly patients
2
Q
what is the pathophysiology of normal pressure hydrocephalus?
A
thought to be secondary to reduced CSF absorption at the arachnoid villi
3
Q
what are the possible causes of normal pressure hydrocephalus?
A
secondary to head injury, subarachnoid haemorrhage or meningitis
4
Q
what are the classical features seen in normal pressure hydrocephalus?
A
- urinary incontinece
- dementia and bradyphrenia
- gait abnormality
5
Q
what can be seen on images in normal pressure hydrocephalus?
A
hydrocephalus with ventriculomegaly in the absence of, or out of proportion to, sulcal enlargement
6
Q
what is the management of normal pressure hydrocephalus?
A
ventriculoperitoneal shunting
7
Q
what complications can occur following shunt placement?
A
- seizures
- infection
- intracerebral haemorrhage
