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Home / Diseases-conditions / Parkinsons-disease / Parkinson’s disease: ‘Focused’ ultrasound may help treat the condition

Parkinson’s disease: ‘Focused’ ultrasound may help treat the condition

There is now a scalpel-free alternative to brain surgery that can benefit patients with asymmetrical Parkinson's disease symptoms.

By: Jahnavi Sarma   | | Updated: January 11, 2021 11:34 am
Tags: dementia problem  Neurodegenerative disease  Parkinson's disease treatment  Ultrasound test  
Parkinson's disease, asymmetrical Parkinson's disease, Parkinson's disease treatment
. The technology focuses sound waves inside the body, much like a magnifying glass focuses light.

Parkinson’s disease is a debilitating that can be traumatic for patients and caregivers. There is no cure for this condition, but certain drugs can help control the symptoms. Some patients are also advised to go in for a surgical option called deep brain stimulation, where surgeons implant electrodes into a part of the brain. These are connected to a generator implanted in the chest near your collarbone. This imparts electrical pulses to the brain to reduce Parkinson’s disease symptoms. But now, there may be a better and minimally invasive option. Researchers have found that a scalpel-free alternative to brain surgery has the potential to benefit people with Parkinson’s disease symptoms that are much more severe on one side of the body. Also Read - Traumatic brain injury can increase risk of Alzheimer's disease: Tips to avoid head injuries

A good option for patients who don’t respond to drugs

According to the team from the University of Virginia in the US more testing is needed but the approach, which uses a technology called focused ultrasound, could offer a new option for patients whose symptoms are poorly controlled by medications and those who cannot or do not wish to undergo traditional brain surgery. According to researchers, a small brain region, the subthalamic nucleus, has a very strong and potent effect on parkinsonian symptoms when they targeted it with precise, focused ultrasound energy. Also Read - Identifying signs of Alzheimer’s even before symptoms set in possible



A minimally invasive alternative

Focused ultrasound offers a minimally invasive alternative to traditional surgery approaches, according to a paper published in the journal New England Journal of Medicine. The technology focuses sound waves inside the body, much like a magnifying glass focuses light. This allows doctors to interrupt faulty brain circuits or destroy unwanted tissue. Magnetic-resonance imaging (MRI) allows doctors to monitor the procedure in real time — and to make adjustments as needed to obtain the best patient outcomes. Also Read - PTSD may double the risk of dementia: Ways to deal with this

Benefits for patients with asymmetrical Parkinson’s symptoms

To determine if the technology could benefit patients with “asymmetrical” Parkinson’s symptoms, the team evaluated 40 volunteers in a randomized, double-blinded study. Twenty-seven study participants received treatment with focused ultrasound, while 13 others received a simulated treatment, so that the researchers could compare the results between the real procedure and the placebo. The average age of study participants was 57. The volunteers’ symptoms before and after the procedure were assessed on a scale of 1-44. Those who received the focused ultrasound procedure saw an improvement of 10 points, while those who received the sham treatment saw a difference of less than two points.

But beware of a few side effects

The study also looked at the safety of the procedure. Side effects included unwanted movements, muscle weakness, speech disturbances and difficulty in walking. In most cases, these were temporary, but some effects persisted in six patients a year later. According to researchers, the key for the ultimate adoption of this new procedure will be further refinements of the technology to ensure reliability and safety.

(With inputs from IANS)

Published : January 9, 2021 9:09 pm | Updated:January 11, 2021 11:34 am
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