The clinical picture of atlantoaxial subluxation changes when atlantoaxial impaction develops - 24/03/10
, Sirkka Heikkilä a, Hannu Kautiainen a, c, d, Markku J. Kauppi a, b, ⁎ 
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Abstract |
Objectives |
The objective of the study was to evaluate the clinical picture of rheumatoid patients with anterior atlantoaxial subluxation (aAAS), atlantoaxial impaction (AAI) or their combination.
Patients |
There were 156 patients. aAAS was diagnosed from standard lateral-view cervical spine radiographs during flexion. AAI was diagnosed from radiographs by the Sakaguchi-Kauppi method. Cervical range of motion was measured and patients’ functional disability evaluated. Intensity of the neck pain was evaluated. Clinical data was collected from patient records.
Results |
aAAS was detected in 138 (88%) of all patients and AAI in 69 (44%), respectively. Forty (48%) patients with severe aAAS had additional AAI, whereas 11 (21%) patients with slight or moderate aAAS had AAI. Range of the neck motion (ROM) was lower in patients with AAI compared with patients with aAAS alone. Rotation (p<0.001) and lateral flexion (p=0.006) were more limited in patients with AAI. Practically normal rotation (≥120degrees) was seen in 16 (18%) of patients with aAAS and four (6%) of patients with AAI. Patients with AAI without aAAS had both limited mobility and high intensity of neck pain.
Conclusion |
Patients with atlantoaxial disorders may be painless. Neck pain, which is induced in upright position and relieved during bed rest, is most often due to AAI. ROM may be normal in plain aAAS while rotation is typically reduced when AAI develops.
Le texte complet de cet article est disponible en PDF.Keywords : Rheumatoid arthritis, Cervical spine, Atlantoaxial subluxation, Atlantoaxial impaction, Clinical picture
Plan
Vol 77 - N° 2
P. 159-164 - mars 2010 Retour au numéro
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