Articles Tagged With: tremor
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Focused Ultrasound Ablation of the Subthalamic Nucleus for Parkinson’s Disease Tremor
This paper demonstrated the long-term efficacy and safety of unilateral magnetic resonance imaging-guided high-frequency ultrasound subthalamotomy for Parkinson’s disease patients with motor fluctuations and dyskinesia three years after the procedure.
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Essential Tremor and Dystonic Tremor: Similar Appearance but Different Cerebral Networks
Using MRI BOLD and seed-based functional connectivity, during a grip-force task, network-level connectivity was shown to be highly distinct between two otherwise phenotypically overlapping tremor types — dystonic tremor and essential tremor.
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Precise Localization of Focused Ultrasound Thalamotomy Determines Clinical Benefit
Lesioning of the posterior portion of the VIM thalamus is most efficacious. Lesions extending beyond this portion can lead to adverse side effects in those with essential tremor treated with MRI-guided focused ultrasound.
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Quality of Life After Focused Ultrasound Thalamotomy in Parkinson’s Disease
Mood, cognitive, and behavioral changes in tremor-predominant Parkinson’s disease patients, three and 12 months after receiving MRI-guided focused ultrasound thalamotomy, were correlated with quality of life more than the severity of tremor reduction.
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MRI-guided FUS Thalamotomy for Medically Refractory Parkinson’s Tremor
This study comparing 20 individuals who received MRI-guided focused ultrasound thalamotomy with seven individuals who received sham treatment showed improvements in Parkinson’s disease tremor. Side effects were similar to prior studies of this technology for essential tremor, with ataxia and limb/orofacial paresthesias being most common.
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Prevalence of Rest Tremor in Essential Tremor
Rest tremor is seen in patients with more advanced essential tremor, yet its prevalence varies significantly between patient groups.