title: Natural history of posttraumatic cervical dystonia.
abstract: We studied a case series of 9 patients with posttraumatic cervical dystonia, in whom involuntary muscle spasms and abnormal head postures occurred within 7 days after cervical injury. Patients were examined, treated with botulinum toxin as necessary, and were followed up to 5 years. Based on our observations of these cases, we propose that complex regional pain syndrome (CRPS) could represent a variant of posttraumatic cervical dystonia that may develop over time after the initiation of dystonia.
authors.affiliation: The Parkinson's and Movement Disorder Institute, Fountain Valley, California 92708, USA.
authors.forename: Karen P
authors.initials: KP
authors.lastname: Frei
authors.forename: Mayank
authors.initials: M
authors.lastname: Pathak
authors.forename: Stephen
authors.initials: S
authors.lastname: Jenkins
authors.forename: Daniel D
authors.initials: DD
authors.lastname: Truong
mesh_terms: D000328:Adult; D019274:Botulinum Toxins, Type A / Q000627:therapeutic use; D001930:Brain Injuries / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D019838:Neck Injuries / Q000150:complications*; D009465:Neuromuscular Agents / Q000627:therapeutic use; D012720:Severity of Illness Index; D014103:Torticollis / Q000188:drug therapy / Q000209:etiology* / Q000503:physiopathology*
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A