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Keywords:

  • Nocturnal paroxysmal dystonia;
  • Acetazolamide;
  • Trauma

Abstract

The term “nocturnal paroxysmal dystonia” has been used to describe patients who display paroxysmal episodes of dystonic-dyskinetic movements arising during nornrapid eye movement sleep, in particular stages 2–3 (Lugaresi E, Cirignotta F. Hypnogenic paroxysmal dystonia: epileptic seizure or a new syndrome. Sleep 1981; 4:129–138). The pathogenesis of these attacks has remained controversial. We describe a patient with posttraumatic paroxysmal nocturnal hemidystonia. Acetazolamide led to improvement.