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Trauma Causing Dementia

Trauma causing dementia can develop when the brain is jarred from a blow to the head and a head concussion results from this. A number of such injuries over a period of time can leave the person with micro-scars in the brain that seriously affect the brain’s function. Two types of consequences can result from head trauma:

A) Repeat trauma to the frontal lobes of the brain such as in boxers leads to the frontal lobe dementia syndrome. Here we are talking about direct damage of the brain cells in the area where the force of the impact was highest.

B) Another presentation following head trauma is the normal pressure hydrocephalus. The flow of cerebrospinal fluid within and around the brain is blocked from microtrauma to the structures along the pathway of this fluid. This leads to three major symptom complexes (also called a “triad”), namely a dementia, an insecure gait with the feet placed far apart and involuntary urine loss are typically associated.

The neurologist will organize a CT scan which shows dilatation of the ventricles. A lumbar puncture needle in the back will show a high-normal pressure of the cerebrospinal fluid, which is bathing the brain and the spinal cord. When a certain portion of the cerebrospinal fluid is taken off and the patient suddenly improves with the symptoms, a shunt placed permanently will often cure the problem.

 Trauma Causing Dementia

Trauma Causing Dementia



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Last modified: October 2, 2014

This outline is only a teaching aid to patients and should stimulate you to ask the right questions when seeing your doctor. However, the responsibility of treatment stays in the hands of your doctor and you.