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Ventriculoperitoneal shunt - series
Normal anatomy
The cerebrospinal fluid (CSF) bathes the brain and spinal cord. Most of the CSF is in the ventricles of the brain, which are large cavities within the brain which produce and reabsorb the CSF.
Indications
In hydrocephalus, the ventricles of the brain become enlarged with cerebrospinal fluid. This condition causes the brain tissue to become compressed against the skull, thus causing serious neurological problems. Shunting, called ventriculoperitoneal shunting, is necessary to drain the excess fluid and relieve the pressure in the brain. This should be done as soon as hydrocephalus is recognized to give the child the best possible neurological outlook.
Incision
This procedure is performed in the operating room under general anesthesia. A flap is cut in the scalp and a small hole is drilled in the skull.
Procedure
A small catheter is passed into a ventricle of the brain. A pump is attached to the catheter to keep the fluid away from the brain. Another catheter is attached to the pump and tunneled under the skin, behind the ear, down the neck and chest and into the peritoneal cavity (abdominal cavity). The CSF is absorbed in the peritoneal cavity.
Aftercare
Ventriculoperitoneal shunting is often crucial for preventing serious brain damage in children with hydrocephalus. Common problems associated with VP shunts include shunt malfunction and shunt infection. Shunts are generally left in place for many years if they function without problems.
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