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This device is a rigid frame attached to the patient's head, providing an immobile three-dimensional coordinate system, which can be used to precisely track the location of the GPi and the movement of the probe.

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What is a stereotactic frame used for during a pallidotomy?

In order to precisely locate the GPi target, and to ensure the probe is precisely placed in the target, a "stereotactic frame" is used.


What device will be fixed to the patient's head on the morning of a pallidotomy procedure?

On the day of the surgery, the stereotactic frame will be fixed to the patient's head.


Why is a MRI administered after the stereotactic frame is affixed to the pallidotomy patient's head?

A final MRI is done with the frame in place to help set the coordinates of the GPi in relation to the frame.


What steps will be taken to ensure the comfort of the pallidotomy patient before affixing the stereotactic frame?

First, a local anesthetic is applied at the four sites where the frame's pins contact the head; there may nonetheless be some initial discomfort.


What happens during a pallidotomy?

To destroy tissue in the GPi, a long needle-like probe is inserted deep into the brain, through a hole in the top of the skull. To make sure the probe reaches its target exactly, a rigid "stereotactic frame" is attached to the patient's head.


What preparations are required with deep brain stimulation?

Medical tests, and one or more types of neuroimaging procedures.the stereotactic frame is fixed to the patient's head. A local anesthetic is used.A final MRI is done.The patient will receive a mild sedative.the patient receives general anesthetic


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