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In DBS surgery, electrodes are inserted into a targeted area of the brain, using MRI (magnetic resonance imaging) and recordings of brain cell activity during the procedure. A second procedure is performed to implant an IPG, impulse generator battery (like a pacemaker). The IPG is placed under the collarbone or in the abdomen. The IPG provides an electrical impulse to a part of the brain involved in motor function. Those who undergo DBS surgery are given a controller to turn the device on or off.

DBS is certainly the most important therapeutic advancement since the development of levodopa. It is most effective for people who experience disabling tremors, wearing-off spells and medication-induced dyskinesias, with studies showing benefits lasting at least five years. That said, it is not a cure and it does not slow PD progression. It is also not right for every person with PD. It is not thought to improve speech or swallow issues, thinking problems or gait freezing.

Like all brain surgeries, DBS carries a small risk of infection, stroke, bleeding or seizures. DBS surgery may be associated with reduced clarity of speech. A small number of people with PD have experienced cognitive decline after DBS surgery.

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How is DBS surgery performed?

DBS is a surgical procedure that delivers high-frequency electrical stimulation to precise areas of the brain. This is done by implanting a thin wire with electrodes at the tip. The electrodes are precisely placed into a brain site that carries the abnormal signals producing the symptoms.

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Who is a good candidate for DBS surgery?

An ideal candidate for DBS surgery is under 70 years old and is in good health. Patients who fluctuate between “on” and “off” medication states are usually good surgical candidates, as are those who have troublesome dyskinesias.

Does DBS work for Parkinson's?

Deep brain stimulation (DBS) is a treatment for symptoms of Parkinson's disease, including tremors, stiffness, and trouble walking. It can also treat side effects of Parkinson's medicines. DBS isn't a cure for Parkinson's and won't stop it from getting worse.

How long does DBS surgery last?

The surgery should take less than 4-6 hours, and is performed under general anesthesia. About 2-3 weeks after your surgery is complete, the medical team will turn on the device, and begin target stimulation.