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The Epilepsy Center at UC San Diego Health System utilizes the most sophisticated diagnostics, medical therapies and surgical techniques available today.
Recent advancements in diagnostic technology have had a major impact on the success of surgical treatments for epilepsy. The decision to operate is carefully weighed through a shared process of decision making by specialists at the Epilepsy Center, your referring physician and you and your family.
Patients are referred to the Epilepsy Center at UC San Diego Health System for surgical evaluation for a variety of reasons, including:
The greatest surgical successes have been achieved in patients with partial seizures and a focus on one side of the brain. Some types of generalized seizure disorders are also responsive to surgical intervention.
Dr. Marc Norman, neuropsychologist, speaks with a patient during pre-surgical evaluation for epilepsy.
Video-EEG monitoring is a critical step in determining if surgery could be an effective treatment. At the Epilepsy Monitoring Unit we utilize video-EEG to:
Patients with seizures that begin from a single "hot spot" or seizure focus may benefit from a surgical treatment to remove the "hot spot," if this can be done without injury to other parts of the brain. Doctors at the Epilepsy Center perform intense evaluations to determine whether epilepsy surgery may help control seizures that cannot be controlled by medicine alone.
As part of the presurgical evaluation, high-resolution imaging of the brain is performed. This includes MRI with special techniques to increase visibility and the chances of detecting abnormalities.
In some cases, magnetoencephalography (MEG) can help to combine information from brain waves with images of the brain to help doctors to locate the areas of abnormalities (the seizure focus).
During the evaluation, the patient is given a series of psychological tests to localize their language function and assess memory capabilities.
A WADA test is done to assess the functional lateralization of language and memory, and is performed by neuroradiologists. The technique is similar to that of carotid angiography and requires selective catheterization of each carotid artery via a femoral approach. A short-acting barbiturate is injected on each side of the brain, and the function of the other hemisphere is assessed with a battery of language and memory tests. The purpose of these tests is to ensure that surgery will not result in language or memory deficits. Learn more about the Wada test.
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