Observational studyEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society2025
The correlation between facet tropism and motor dysfunction of the upper limbs in patients with cervical spondylotic amyotrophy: an observational study.
Observational study in European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
Funding
Abstract
purposeTo identify the frequency of facet tropism (FT) in patients with cervical spondylotic amyotrophy (CSA) and to analyze the correlation between FT and motor dysfunction in CSA.
methodsThe side-to-side differences in facet orientation (FO) (≥ 7°) were measured from C3-4 to C7-T1 levels via 3D computed tomography to diagnose FT in 84 CSA patients (proximal- vs. distal-type: 36 vs. 48) and 363 patients with cervical spondylosis (CS). Both the motor unit number index (MUNIX) and Medical Research Council scores were assessed in CSA patients.
resultsCompared with CS patients, both CSA patient groups presented a greater frequency of FT at any cervical level in all different planes (axial, sagittal and coronal) (P < 0.05). Furthermore, more proximal-type CSA patients with FT presented axial FT
conclusionThe frequency of FT in CSA patients is greater than that in CS patients. Importantly, axial/sagittal FT may be positively associated with motor dysfunction of upper limbs in CSA patients. Thus, a cautious approach should be taken when treating CSA due to possible comorbid FT.
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