What is hydrocephalus shunt?

Written by Shu Zhi Qiang
Neurosurgery
Updated on September 23, 2024
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Patients with hydrocephalus usually require shunt surgery, among which the most common is the ventriculoperitoneal shunt. The shunt tube used in this surgery typically features a reservoir, often referred to by patients as a "water basket". Patients are frequently required to press this reservoir to promote the excess cerebral spinal fluid to flow through the shunt tube into the abdominal cavity, where it is absorbed by the omentum. If the reservoir is not pressed, the shunt tube may become blocked, potentially requiring the surgery to be performed again.

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Hydrocephalus Clinical Manifestations

In adults, hydrocephalus can be of the normal pressure type, mainly characterized by unsteady gait, slow responses, urinary and fecal incontinence, among others. There is also high-pressure hydrocephalus, which mainly presents as increased intracranial pressure, with the most common symptoms being headache, vomiting, papilledema, and ataxia. In children and infants, hydrocephalus has its own characteristics. In addition to some of the adult symptoms, there are also anomalies such as an abnormally increased head size, bulging fontanelles, "sunset" eye sign, intellectual and cognitive impairments, decreased vision, visual field defects, decreased hearing, epilepsy seizures, and more.

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How is hydrocephalus treated?

If hydrocephalus is suspected, it is advised to first visit a local hospital for an emergency cranial CT scan to determine the type and severity of the hydrocephalus. This helps identify the main causes of the condition and whether it is communicating or non-communicating hydrocephalus. Treatment plans should then be based on the patient's symptoms and physical signs. For those with obvious clinical symptoms of obstructive hydrocephalus, surgery is often recommended. Clinically, a ventriculoperitoneal shunt surgery is generally chosen. Through surgical intervention, original symptoms can gradually alleviate or even disappear, and the morphology of the ventricular system can progressively return to normal.

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Can hydrocephalus be treated?

Hydrocephalus can be effectively treated. Patients with hydrocephalus should first visit their local hospital for a cranial CT scan, and consider undergoing an MRI if necessary, to determine the primary causes and severity of the hydrocephalus and decide on the next treatment steps. For patients with underlying diseases, proactive treatment should be targeted at the cause, and effective surgical removal should be considered for intracranial space-occupying lesions. Patients with resistant hydrocephalus are advised to undergo regular check-ups and follow-ups, and for those with progressive obstructive hydrocephalus where the ventricular system is gradually expanding, surgical treatment is recommended.

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Is hydrocephalus serious?

Hydrocephalus is relatively serious. When hydrocephalus occurs, it gradually affects the patient's motor functions of the limbs, causing weakness in one or both sides, difficulty in lifting, walking impairments, difficulty performing fine motor actions, and ataxia. It may even lead to frequent falls. Additionally, there are significant cognitive impairments, characterized by reduced intelligence levels, decreased computational abilities, and even certain degrees of language dysfunctions. Patients may also exhibit significant personality changes, such as feelings of anxiety, depression, apathetic expressions, and a dislike for communication and interaction with others.

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Symptoms of hydrocephalus

For patients with hydrocephalus, it often leads to a series of symptoms and signs. For example, patients may experience mild cognitive impairments, manifesting as obvious memory loss, reduced intelligence, and weakened orientation ability in terms of time, space, and person recognition. In addition, most patients also suffer from motor dysfunction, showing symptoms like weakness in one or both legs, difficulty walking, unstable gait, and a tendency to fall. Some patients might even experience changes in emotion and personality. As the condition of cerebral hemorrhage gradually progresses, patients may exhibit symptoms of increased intracranial pressure.