Oscillatory head movements in cervical dystonia: Dystonia, tremor, or both?

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چکیده

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Oscillatory head movements in cervical dystonia: Dystonia, tremor, or both?

Cervical dystonia is characterized by abnormal posturing of the head, often combined with tremor-like oscillatory head movements. The nature and source of these oscillatory head movements is controversial, so they were quantified to delineate their characteristics and develop a hypothetical model for their genesis. A magnetic search coil system was used to measure head movements in 14 subjects ...

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Retrocollis, anterocollis or head tremor may predict the spreading of dystonic movements in primary cervical dystonia.

BACKGROUND AND PURPOSE Few studies have attempted to develop clinical predictors for cervical dystonia (CD) aiming at progression of the dystonic movement. METHOD We retrospectively evaluated 73 patients with primary CD who underwent treatment with Botulinum toxin type-A (BTX-A). The patients were assembled in two groups according to the spread of dystonia during follow-up: spreading and non-...

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Tremor in a Bassoonist: Tremor in Dystonia or Essential Tremor?

JMD Dear Editor, Tremor is a common clinical feature in dystonia. It can be seen in both affected and unaffected body parts in patients with dystonia. Clinically, it may not be easily distinguishable from essential tremor, currently defined as a bilateral, largely symmetric postural or kinetic tremor involving the hands and forearms that is visible and persistent, with an associated or isolated...

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Irregularity distinguishes limb tremor in cervical dystonia from essential tremor.

INTRODUCTION Patients with cervical dystonia (CD) often have limb tremor that is clinically indistinguishable from essential tremor (ET). Whether a common central mechanism underlies the tremor in these conditions is unknown. We addressed this issue by quantifying limb tremor in 19 patients with CD and 35 patients with ET. METHOD Postural, resting and kinetic tremors were quantified (amplitud...

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Cervical Dystonia

There is now strong evidence demonstrating that bilateral globus pallidus internus (GPi) stimulation improves motor function and disability in patients with severe primary generalised, segmental or cervical dystonia. The improvement is gradual, typically occurring over a period of about six months, with pain and then phasic components dissipating before the tonic elements of dystonia. Controlle...

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ژورنال

عنوان ژورنال: Movement Disorders

سال: 2015

ISSN: 0885-3185

DOI: 10.1002/mds.26231