Keywords
treatment
idiopathic
How to Cite
Abstract
Normal pressure hydrocephalus is a syndrome characterized by gait impairment, dementia and/or associated with ventriculomegaly and normal cerebroespinal liquid pressure. It may be secondary to processes that cause inflammation of the arachnoid, but more than half of patients do not have a recognizable risk factor, in these cases it is called idiopathic normal pressure hydrocephalus (INPH). Epidemiology data are limited; it may be seen at any age but it occurs more commonly between the sixth and seventh decades of life. Criteria for diagnosis includes more than one symptom of the classic triade: traditional findings in neuroimages, cerebroespinal liquid pressure measurement and the TAP-test. Many meassurement options exist, but the unique definitive is the surgery; VP Shunt is effective because it collects a large portion of liquid and provides higher capacitance, reducing interstitial edema, improving tissue perfusion and thus preventing ischemia.
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