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Post-Thalamic Stroke Movement Disorders: A Systematic Review.

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    Movement disorders after stroke are uncommon, often affecting deep brain structures. This review found dystonia and hemiataxia were most common following thalamic strokes, with the posterolateral thalamus frequently involved.

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    Area of Science:

    • Neurology
    • Neuroscience
    • Stroke Medicine

    Background:

    • Movement disorders are rare after stroke, typically impacting deep brain structures like the basal ganglia and thalamus.
    • While cerebral cortex strokes can also cause movement disorders, thalamic involvement is a significant factor.

    Purpose of the Study:

    • To review and categorize movement disorders associated with thalamic strokes.
    • To identify specific thalamic nuclei linked to different movement disorders post-stroke.

    Main Methods:

    • Systematic literature search of the PubMed database for post-thalamic stroke movement disorders.
    • Inclusion of 86 relevant research articles from over 2,500 reviewed, alongside case-cohort studies.

    Main Results:

    • Dystonia and hemiataxia were the most prevalent movement disorders following thalamic strokes.
    • Ischemic strokes showed a higher association with movement disorders, which commonly had an acute onset.
    • The posterolateral thalamus was the most frequently implicated brain region.

    Conclusions:

    • Thalamic strokes can lead to various movement disorders, with specific nuclei correlating to distinct conditions.
    • Understanding these associations aids in diagnosing and managing post-stroke neurological deficits.