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The ETV procedure is used as an alternative to a cerebral shunt [2] mainly to treat certain forms of noncommunicating obstructive hydrocephalus (such as aqueductal stenosis), but since the ETV was introduced as an accepted treatment modality the range of etiologies for which it is used has grown significantly.
The location of the shunt is determined by the neurosurgeon based on the type and location of the blockage causing hydrocephalus. All brain ventricles are candidates for shunting. The catheter is most commonly placed in the abdomen but other locations include the heart and lungs. [10] Shunts can often be named after the route used by the ...
While there, Warf pioneered a novel treatment for infant hydrocephalus using a minimally invasive endoscopic technique that greatly reduces the number of children requiring implantation of and lifelong dependence on ventriculoperitoneal shunts. This is a low-cost, low-risk alternative to the typical treatment for hydrocephalus. [4]
In the 1980s and 1990s, it was found that an endoscope could be used to more accurately place ventricular catheters. The advent of endoscopic procedures also resulted in endoscopic third ventriculostomies being used more commonly. This is an alternative method from shunt placement to treat hydrocephalus.
The revision of a shunt means to replace or make adjustments to all or part of the shunt, this also means that the location of the shunt may be changed therefore changing the category or type of shunt a patient has. For some patients with shunts, a revision or multiple revisions to the shunt may be required. This can be something minor, such as ...
An external ventricular drain (EVD), also known as a ventriculostomy or extraventricular drain, is a device used in neurosurgery to treat hydrocephalus and relieve elevated intracranial pressure when the normal flow of cerebrospinal fluid (CSF) inside the brain is obstructed.
It is most commonly performed on those with hydrocephalus. [1] It is done by surgically penetrating the skull, dura mater, and brain such that the ventricular system ventricle of the brain is accessed. When catheter drainage is temporary, it is commonly referred to as an external ventricular drain (EVD).
Cardiac shunts may be described as right-to-left, left-to-right or bidirectional, or as systemic-to-pulmonary or pulmonary-to-systemic.; Cerebral shunt: In cases of hydrocephalus and other conditions that cause chronic increased intracranial pressure, a one-way valve is used to drain excess cerebrospinal fluid from the brain and carry it to other parts of the body.