Parkinson’s disease (PD) is a progressive movement disorder that causes symptoms such as slowness, rigidity, poor balance, and dystonia (involuntary movement). There is no cure yet for PD, but treatment options can help manage symptoms and improve quality of life. Over the last few decades, there has been increasing interest in the use of deep brain stimulation (DBS) to help control movement. Here’s how it works.
DBS is a treatment option that involves the surgical implantation of electrodes inside the brain. DBS surgery is done by a neurosurgeon (brain surgeon) who can implant the neurostimulator system.
A DBS system also involves insulated wire that connects to the electrodes. This wire is passed under the skin of the head, neck, and shoulder to connect to an internal pulse generator. The generator is similar to a pacemaker and is typically implanted under the skin in the upper chest near the collarbone. The generator allows the DBS electrodes to produce electrical impulses that target specific areas of the brain.
You may be a good candidate for DBS if you meet the following criteria:
DBS, in general, uses electrical signals to target certain areas of the brain. For people with Parkinson’s, DBS targets parts of the brain known to play a role in the control of movement. These regions include the:
Research has shown that electrical stimulation from DBS in the subthalamic nuclei may significantly improve motor symptoms associated with PD compared to taking medications alone. Improved motor symptoms may also lead to improvements in overall mobility and comfort, daily functioning, and emotional well-being.
Another study showed that people with PD experienced improved motor function after stimulation in the subthalamic or pallidal areas, but stimulation of these areas affected other symptoms differently. For example, depression worsened after subthalamic stimulation but improved after pallidal stimulation. Your neurologist may decide to stimulate different areas depending on your individual symptoms, needs, and preferences.
As a surgical procedure, DBS may have its own risks and side effects. For instance, one study showed that DBS may also sometimes lead to cognitive issues. There can also be complications from the DBS surgery itself. Side effects and complications of DBS surgery may include:
As side effects of the stimulation itself, you may experience some numbness or tingling, lightheadedness, balance and speech problems, muscle tightness, or mood changes.
MyParkinsonsTeam is the social network for people with Parkinson’s disease and their loved ones. On MyParkinsonsTeam, members come together to ask questions, give advice, and share their stories with others who understand life with Parkinson’s disease.
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I had DBS a year ago (April 12, 2023). I feel it was the best thing that could of hsppened. The tremors are gone & I can handle the day to day much better - my only wish is that it would have taken… read more
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