Washington: A “brain pacemaker” called deep brain stimulation (DBS) remains an effective treatment for Parkinson`s disease for at least three years, a new study has claimed.While improvements in motor function remained stable, there were gradual declines in health-related quality of life and cognitive abilities.First author of the study is Frances M. Weaver, was one of the lead investigators of a 2010 paper that found that motor functions remained stable for two years in DBS patients. The new additional analysis extended the follow-up period to 36 months.DBS is a treatment for Parkinson`s patients who no longer benefit from medication, or who experience unacceptable side effects. DBS is not a cure, and it does not stop the disease from progressing.But in the right patients, DBS can significantly improve symptoms, especially tremors. DBS also can relieve muscle rigidity that causes decreased range of motion.
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