The condition is caused by the buildup of cerebrospinal fluid in cavities (ventricles) deep inside the brain making them swell and push into the brain. Flowing through ventricles, the fluid normally provides a protective cushioning to the brain and spinal column. But an excessive of the fluid can damage brain tissues and cause a large spectrum of impairments in its function.Although hydrocephalus can occur at any age, it’s more common among infants and older adults.Surgical treatment can restore and maintain normal cerebrospinal fluid levels in the brain. A variety of interventions are often required to manage symptoms or functional impairments resulting from hydrocephalus.Excess cerebrospinal fluid in the ventricles occurs owing to one of the following reasons:

Obstruction: The most common problem is a partial obstruction of the normal flow of cerebrospinal fluid, either from one ventricle to another or from the ventricles to other spaces around the brain.

Poor absorption: Less common is a problem with the mechanisms that enable the blood vessels to absorb cerebral spinal fluid. This is often related to inflammation of brain tissues from disease or injury.

Overproduction: Rarely, the mechanisms for producing cerebrospinal fluid create more than normal and more quickly than it can be absorbed.

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