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Posttraumatic functional movement disorders.

C Ganos¹, M J Edwards², K P Bhatia³

¹Sobell Department of Motor Neuroscience and Movement Disorders, National Hospital for Neurology and Neurosurgery, Queen Square, London, UK; Department of Neurology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany.

Handbook of Clinical Neurology

|October 11, 2016

Summary

This summary is machine-generated.

Minor trauma can cause movement disorders like dystonia, though diagnosis is complex due to unclear links and overlapping symptoms with functional neurologic disorders.

Keywords:

causalgia fixed dystonia functional movement disorders posttraumatic movement disorders psychogenic

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Area of Science:

Neurology
Neuroscience
Trauma Studies

Background:

Traumatic nervous system injuries cause diverse neurologic symptoms, with severity and location dictating outcomes.
Severe head injuries with brain abnormalities commonly lead to recognized movement disorders (hyperkinesias like tremor, dystonia).
The link between minor trauma (without significant structural damage) and movement disorders is debated due to unclear correlations and symptom overlap.

Purpose of the Study:

To review movement disorders, particularly dystonia, linked to peripheral trauma.
To highlight unusual characteristics and overlap with functional neurologic disorders.
To explore pathophysiologic theories connecting minor injuries to movement disorders.

Main Methods:

Literature review focusing on movement disorders post-trauma.
Analysis of clinical features and neuroanatomic correlations.
Comparison of pathophysiologic views across organic, functional, and trauma-associated movement disorders.

Main Results:

Movement disorders following minor trauma present unique challenges in diagnosis.
Symptom onset variability and overlap with functional neurologic disorders complicate the clinical picture.
Understanding pathophysiologic links is crucial for accurate diagnosis and management.

Conclusions:

Peripheral trauma, even minor, can be associated with movement disorders like dystonia.
These disorders share features with functional neurologic disorders, necessitating careful evaluation.
Further research into pathophysiology is needed to guide effective management strategies.