The Online Encyclopedia and Dictionary






Normal pressure hydrocephalus

Normal pressure hydrocephalus (NPH) is a neurological disorder often misdiagnosed as Parkinson's disease, Alzheimer's disease, and senility. It brings incontinence, difficulty walking (ataxia-like wide-based gait), and memory problems. NPH stems from an accumulation of cerebrospinal fluid around the brain enlarging ventricles and stretching the brain's tissues.

NPH can be detected by magnetic resonance imaging or CT scan.

NPH can be relieved by surgically implanting a shunt to drain excess cerebrospinal fluid to the abdomen where it is absorbed.

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Last updated: 05-23-2005 10:12:41