Imaging method to prevent epilepsy seizures

Imaging approach to stop epilepsy seizures
A mind map created the usage of the Faculty of Medication’s new complicated imaging technique. Credit score: College of Virginia

A complicated imaging technique evolved on the College of Virginia Faculty of Medication may just let surgeons decide the most efficient goal within the mind to prevent epilepsy seizures, new analysis suggests.

UVA’s technique may just beef up and open underused surgical choices to sufferers who at the moment are ineligible, the analysis staff studies.

“This imaging technique is vital, because it creates 4D mind maps that supply further sensitivity over standard-of-care imaging via revealing charges of glucose uptake fairly than ultimate absolute glucose uptake,” stated imaging professional Bijoy Kundu of UVA’s Division of Radiology and Clinical Imaging and UVA’s Division of Biomedical Engineering. “This imaging technique may well be recommended, as it is going to be offering non-invasive localization of attainable epileptic foci.”

Fighting epilepsy seizures

UVA’s new technique makes use of an enhanced type of positron-emission tomography, or PET, to measure glucose use within the mind. This permits medical doctors to pinpoint the difficulty spot within the this is triggering seizures. As soon as that spot is known, it may be got rid of surgically, preventing the seizures.

PET scans had been used prior to now to spot bother spots, however such scans have restricted accuracy and incessantly fail to spot a suitable goal. So a staff of UVA researchers, subsidized via the UVA Mind Institute, evolved the brand new technique, referred to as “parametric dynamic FDG-PET imaging,” or p-dFDG-PET.

To evaluate if the brand new technique provides progressed sensitivity and accuracy, Kundu and UVA neurologist Dr. Mark Quigg introduced a small pilot learn about. They carried out scans on seven contributors for whom conventional PET imaging had failed to spot a goal. The consequences have been encouraging: The methodology situated suitable bother spots in all seven.

“In the only affected person who underwent a hit surgical procedure, p-dFDG-PET predicted the surgical goal,” the researchers write in a brand new medical paper outlining their findings. “Against this, in the only affected person who underwent unsuccessful surgical procedure, p-dFDG-PET indicated a distinct surgical goal than the only undertaken.”

The researchers say a bigger learn about is had to extra totally assess the possibility of UVA’s new technique. But when the methodology works in addition to the early effects recommend, it will develop into epilepsy deal with many sufferers. Any medical institution with a PET scanner may just simply undertake UVA’s technique, the researchers say.

“Too incessantly, sufferers with intractable epilepsy flip clear of transformative epilepsy surgical procedure when invasive procedures are required to find the ‘unhealthy spot’ or the epileptic focal point,” Quigg stated. “Dynamic PET, as an addition to the noninvasive toolkit, can increase the choice of epilepsy surgical procedure applicants.”

The researchers shared their findings at October’s Global Molecular Imaging Congress and are getting ready a manuscript for peer-reviewed e-newsletter.


Fast brainwave oscillations identify and localize epileptic brain


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Imaging method to prevent epilepsy seizures (2021, April 26)
retrieved 26 April 2021
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