Postoperative Cervical Dystonia: Is It an Occult Injury to the Corticospinal Tracts?

Dickerman, Rob D.; Reynolds, Ashley S.

doi:10.1159/000094464

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“…Our study also verified the reported association between RC, spinal degenerative disease [20] and spine surgeries (i.e. corpectomy) [21, 22]. Unlike anterocollis that has been described in multiple system atrophy [23], RC has been only been seldom reported as a feature of progressive supranuclear palsy [6].…”

Section: Discussionsupporting

confidence: 88%

Retrocollis: Classification, Clinical Phenotype, Treatment Outcomes and Risk Factors

et al. 2007

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Retrocollis (RC) is a form of cervical dystonia (CD) that produces patterned, repetitive muscle contractions that result in neck extension. We performed a review of consecutive CD patients seen in our Division over a 15-year period. Out of 399 CD patients, 59 (14.8%) had features of RC. Pain was very frequently reported among patients (∼80%). RC was frequently associated with neuroleptic exposure (20.3%) and a history of head/neck trauma (23.7%). Of patients injected with botulinum toxin type A, 24.5% reported excellent, 32.1% moderate, 16.9% mild and 24.5% no response to injections. Oral antidystonic medications had limited contribution to symptom relief.

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