Endoscopic third ventriculostomy
Endoscopic Third Ventriculostomy (pronunciation: en-doh-skop-ik third ven-trik-yoo-lohs-toh-mee) is a surgical procedure used to treat hydrocephalus, a condition characterized by an excessive accumulation of cerebrospinal fluid in the brain. The term originates from the Greek words endos (within), skopein (to look at), tritos (third), ventriculus (small cavity), and stoma (mouth or opening).
Procedure
The procedure involves the creation of an opening in the floor of the third ventricle using an endoscope, a long, flexible tube with a light and camera attached to it. This allows the cerebrospinal fluid to bypass the obstruction and flow towards the basal cisterns, where it can be reabsorbed.
Indications
Endoscopic third ventriculostomy is indicated for patients with obstructive hydrocephalus, particularly those with a blockage in the aqueduct of Sylvius. It may also be used in certain cases of communicating hydrocephalus, where the flow of cerebrospinal fluid is blocked after it exits the ventricles.
Risks and Complications
Like any surgical procedure, endoscopic third ventriculostomy carries certain risks, including infection, bleeding, and damage to brain structures. There is also a risk that the opening may close over time, necessitating a repeat procedure or the placement of a ventriculoperitoneal shunt.
See Also
- Hydrocephalus
- Third ventricle
- Endoscope
- Aqueduct of Sylvius
- Communicating hydrocephalus
- Ventriculoperitoneal shunt
External links
- Medical encyclopedia article on Endoscopic third ventriculostomy
- Wikipedia's article - Endoscopic third ventriculostomy
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