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Vagal Nerve Stimulation May Improve Dizziness
What is it about?
Chronic dizziness and imbalance are often difficult to rehabilitate due to the complex set of systems involved. Recently, transcutaneous vagus nerve stimulation (tVNS) has been investigated as a noninvasive means to reduce symptoms associated with vestibular impairment and chronic dizziness. Here we examine available data describing therapeutic efficacy and proposed mechanisms of tVNS in adult patients with dizziness and imbalance.
Why is it important?
Our review highlights data showing tVNS exposure provides variable degrees of benefit in both subjective (e.g., quality of life) and objective (e.g., changes in gait) contexts. The degree to which these benefits can be explained by distinct mechanisms is unclear. Focus on the potential utility of this type of bioelectric therapy is warranted to promote further research exploration and improved clinical outcomes for patients with dizziness.