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  • Title: [Dystonia following peripheral trauma: clinical findings and diagnostic criteria].
    Author: Schwarz S, Henningsen P, Meinck HM.
    Journal: Unfallchirurg; 2000 Mar; 103(3):220-6. PubMed ID: 10800386.
    Abstract:
    Dystonia is a rare neurological complication after peripheral trauma. Incidence and pathophysiology of post-traumatic dystonia are not known. Predisposing factors are sympathetic reflex dystrophia, pre-existing movement disorders or a family history of movement disorders. The main diagnostic goal is to exclude other causes of secondary dystonia. Objective criteria for posttraumatic dystonia are not established, and therefore differentiation from psychogenic dystonia frequently remains difficult. Careful psychiatric examination is obligatory. Clinical criteria are consistency of the symptoms over time and the presence of symptoms compatible with organic dystonia. Polygraphic EMG examinations provide objective correlates of the movement disorder, but exact EMG criteria for the diagnosis of dystonia have yet to be established.
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