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Low-pressure hydrocephalus (LPH) is a condition whereby ventricles are enlarged and the individual experiences severe dementia, inability to walk, and incontinence – despite very low intracranial pressure (ICP). [1] Low pressure hydrocephalus appears to be a more acute form of normal pressure hydrocephalus. If not diagnosed in a timely ...
Does not have an adjustable pressure setting. First mass-produced valve used to treat hydrocephalus in 1956. [5] Spitz-Holter Uses slits in silicone to avoid mechanical failure. [6] [7] Anti-siphon Prevents over drainage by preventing the siphon effect. The device closes when the pressure within the valve becomes negative relative to the ...
Hydrocephalus ex vacuo from vascular dementia as seen on MRI. Normal pressure hydrocephalus (NPH) is a particular form of chronic communicating hydrocephalus, characterized by enlarged cerebral ventricles, with only intermittently elevated cerebrospinal fluid pressure. Characteristic triad of symptoms are; dementia, apraxic gait and urinary ...
Normal pressure hydrocephalus (NPH), also called malresorptive hydrocephalus, is a form of communicating hydrocephalus in which excess cerebrospinal fluid (CSF) builds up in the ventricles, leading to normal or slightly elevated cerebrospinal fluid pressure.
The CSF tap test, sometimes lumbar tap test or Miller Fisher Test, is a medical test that is used to decide whether shunting of cerebrospinal fluid (CSF) would be helpful in a patient with suspected normal pressure hydrocephalus (NPH).
Typically, dementia is associated with classic symptoms like confusion and memory loss. But new research finds that there could be a less obvious risk factor out there: your cholesterol levels ...
Life-threatening bleeding. Bleeding results in nearly one-third of deaths from traumatic injuries, which represent the top cause of death for people younger than 44 years in the U.S. A program ...
A difference in the hydrostatic pressure within the arterial system relative to the endothelial cells allows ultrafiltration of water, ions, and low molecular weight substances (such as glucose, small amino acids) into the brain parenchyma. [18] The blood-brain barrier is intact usually and the extent of the edema depends on the arterial ...