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The Global Insight

What is an ETV procedure

Author

John Johnson

Updated on April 23, 2026

Endoscopic third ventriculostomy (ETV) is an alternative to shunt placement for treatment of hydrocephalus. The technique opens a hole inside the brain to re-establish effective flow of cerebrospinal fluid (CSF).

How is ETV surgery performed?

In this procedure, surgeons use a tiny camera called an endoscope to enter the ventricles in the brain. They then make a small opening in one of the ventricles, which relieves the pressure buildup by allowing fluid to flow again. The procedure is called an ETV, or “endoscopic third ventriculostomy.”

Is ETV better than a shunt?

Conclusions: The relative risk of ETV failure is initially higher than that for shunt, but after about 3 months, the relative risk becomes progressively lower for ETV. Therefore, after the early high-risk period of ETV failure, a patient could experience a long-term treatment survival advantage compared with shunt.

How long does ETV surgery take?

The neurosurgeon. Surgery is carried out by a neurosurgeon (a specialist in surgery of the brain and nervous system). The surgery usually takes one to two hours.

How successful is ETV surgery?

In terms of ETV in tumoral hydrocephalus; in a study of thirty pediatric patients developing hydrocephalus amongst 104 who underwent posterior fossa surgery, ETV was found to have a success rate of more than 90% and has been recommended as the ideal treatment for hydrocephalus in such cases51).

How does endoscopic third Ventriculostomy work?

Endoscopic third ventriculostomy is an alternative surgical procedure that creates a bypass for the cerebrospinal fluid in the head that eliminates the need for a shunt. It is helpful only to people with hydrocephalus caused by a blockage of the flow of cerebrospinal fluid.

Is ETV permanent?

Although late failures can occur, they are rare, and the ongoing risk of treatment failure over subsequent years is much less than that for patients with shunt-dependence. It’s critical that parents and patients understand that ETV is not a permanent cure for hydrocephalus.

Is fluid on the brain serious?

Hydrocephalus is a build-up of fluid in the brain. The excess fluid puts pressure on the brain, which can damage it. If left untreated, hydrocephalus can be fatal.

Why is a Ventriculostomy done?

EVD ventriculostomy is done primarily to monitor the intracranial pressure as well as to drain cerebrospinal fluid (“CSF”), primarily, or blood to relieve pressure from the central nervous system (CNS).

What causes fluid on the brain in older adults?

Hydrocephalus ex-vacuo occurs when a stroke or injury damages the brain and brain matter actually shrinks. The brain may shrink in older patients or those with Alzheimer’s disease, and CSF volume increases to fill the extra space. In these instances, the ventricles are enlarged, but the pressure usually is normal.

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Can hydrocephalus be treated without surgery?

There is currently no definitive cure. Most patients are managed by shunting using a silicone tube and valve system, where CSF is diverted from the cerebral ventricles to another body site [3].

What does ETV channel stand for?

Enhanced Television. ETV. Ethiopian Television. ETV. Elevating Transfer Vehicle (various companies)

What causes Aqueductal stenosis?

Aqueductal stenosis is one of the known causes of hydrocephalus and the most common cause of congenital (present at birth) hydrocephalus. It can also be acquired during childhood or adulthood. In some cases, this is due to a brain tumor compression (such as a pineal tumor) surrounding the aqueduct of Sylvius.

How long does it take to recover from ETV?

Don’t use a hair dryer, creams, ointments, or hair products on your incision until it’s completely healed. This takes about 6 weeks.

What happens if an ETV fails?

If the ETV fails your child will develop hydrocephalus again, even years after your child has had the ETV. This can happen at any time. You need to watch out for the signs of hydrocephalus.

Why does ETV fail?

Predisposing factors that cause ETV failure are ventriculostomy stoma closure by new arachnoid granulation tissues, second membrane relics within the stoma, CSF absorption failure, CSF infection/high protein, and improper selection of patients.

How much does a hydrocephalus surgery cost?

Initial Treatment & OutcomeTotal CostNew VPS insertion$115,420.25ETV redo$145,159.57

How do they put a shunt in the brain?

  1. A small incision will be made in the scalp. …
  2. A tiny opening will be made in the protective coverings of the brain. …
  3. The neurosurgeon will make two or three small incisions to place the shunt valve (usually above or behind the ear).
  4. The catheter will be tunneled under the skin.

Is endoscopic third Ventriculostomy safe?

Conclusion: ETV seems to be a safe and efficient alternative to shunt for chronic hydrocephalus with obstruction; the clinical improvement is usual and ventricular size decreases slightly.

Who needs a Ventriculostomy?

A summary of indications for performing ventriculostomy are as follows[4][5]: Acute symptomatic hydrocephalus – following subarachnoid hemorrhage (SAH), strokes, meningitis. Intracranial pressure (ICP) monitoring. Adjunct management for malfunctioning or infected ventriculoperitoneal shunts.

How long is Ventriculostomy surgery?

The procedure is performed under general anaesthesia and generally takes around 60 minutes.

What are the principal risk factors associated with Ventriculostomy procedure?

The most significant risk of a ventriculostomy is infection; rates of 27% have been cited,10,18,20,21 although most reported rates are in the 1% to 10% range. Infection rates are similar regardless of procedure location (ICU or the operating room).

What do burr holes do?

What are burr holes? Burr holes are small holes that a neurosurgeon makes in the skull. Burr holes are used to help relieve pressure on the brain when fluid, such as blood, builds up and starts to compress brain tissue. A layer of thin tissues called meninges surround and help protect the brain.

What will happen if hydrocephalus is not treated?

Without treatment, hydrocephalus results in compromised mental functioning, visual disturbances, walking difficulty, incontinence, and reduced conscious state.

Can you live a normal life with a brain shunt?

Overview. Many people with normal pressure hydrocephalus enjoy a normal life with the help of a shunt. Regular, ongoing checkups with the neurosurgeon will help ensure that your shunt is working correctly, your progress is on track, and you are free to keep living the way you want.

How do you get rid of fluid on the brain naturally?

  1. Hyperbaric Oxygen Therapy (HBOT)
  2. A Ketogenic Diet of Anti-Inflammatory Foods.
  3. Transcranial Low-Level Light Therapy (LLLT)
  4. Regenerative Therapies.

What are the side effects of having a shunt?

  • redness and tenderness along the line of the shunt.
  • a high temperature.
  • headache.
  • vomiting.
  • neck stiffness.
  • tummy pain if the shunt drains into your tummy.
  • irritability or sleepiness in babies.

Why do elderly lose balance?

Falls are more likely to occur as you get older. With age and inactivity, the unconscious processes your brain goes through to help you balance may not integrate as well or as quickly as they used to – in other words, your cognitive abilities decline.

What does hydrocephalus headache feel like?

The headache can be severe and may be associated with vomiting, photophobia (aversion to light), and it can resemble, to some extent, a migraine. Small ventricles when the shunt fails and the ventricles can’t grow to accommodate cerebrospinal fluid (CSF).

What medication is commonly used to treat hydrocephalus?

Medication Summary Acetazolamide (ACZ) and furosemide (FUR) treat posthemorrhagic hydrocephalus in neonates. Both are diuretics that also appear to decrease secretion of CSF at the level of the choroid plexus. ACZ can be used alone or in conjunction with FUR.

What is the most common cause of hydrocephalus?

It’s thought hydrocephalus present at birth (congenital hydrocephalus) may be the result of a brain defect restricting the flow of cerebrospinal fluid (CSF). Hydrocephalus that develops in adults and children (acquired hydrocephalus) is often caused by an illness or injury that affects the brain.