The following is an excerpt....
BASICS
Description
- Normal pressure hydrocephalus (NPH) is a clinical triad of gait instability, incontinence, and dementia (mnemonic: wet, wobbly, wacky). Originally described by Hakim and Adams in 1965, it occurs rarely, but is potentially treatable.
- Idiopathic
- Secondary to subarachnoid hemorrhage, head injury, or infection
ALERT:
Geriatric Considerations
- Idiopathic NPH primarily affects persons >60 years.
Epidemiology
Incidence
- No formal epidemiologic data exist regarding NPH because of the lack of consensus-derived diagnostic criteria. The natural history of untreated NPH has not been studied (1,2).
- Idiopathic form primarily affects elderly.
- Secondary form can occur at any age.
- Affects both genders equally
Prevalence
Estimated to be the cause of dementia in ≤5% of affected individuals
Risk Factors
- Idiopathic risk is unknown.
- Secondary ...
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