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
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To investigate the influence of the immediate post-operative change in disc space angle relative to preoperation on heterotopic ossification (HO) occurrence following cervical disc arthroplasty (CDA) and on clinical and radiographic outcomes. ⋯ Patients with a more than 5° increase in immediate post-operative DSA showed adverse effects on HO formation. Overcorrected DSA was associated with poor prosthesis stability, inadequate endplate coverage, and limited SROM, although it did not affect the clinical outcomes. These slides can be retrieved under Electronic Supplementary Material.
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The aim of this retrospective study was to evaluate the apparent diffusion coefficient (ADC) as a potential parameter of spinal cord damage in cervical spine instability at the atlanto-axial level in rheumatoid arthritis (RA) patients. ⋯ The conducted study demonstrates the applicability of the ADC maps in the identification of spinal cord compression due to anterior AAS in RA patients. The results encourage the practical use of the ADC as an additional parameter in the qualification for surgical treatment. These slides can be retrieved under Electronic Supplementary Material.
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To evaluate which cervical level is the most appropriate level to measure occipitocervical inclination (OCI). ⋯ C5 cervical level is the most appropriate level for OCI measurement. OCI should be measured at the same cervical level at all time. C4 OCI can reliably substitute C5 OCI in case C5 which is invisible on radiographic image. These slides can be retrieved under Electronic Supplementary Material.
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Unfortunately, the affiliation for the following authors was incorrectly published in the original publication.
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The preoperative X-ray presented in Figure 1 of the original publication erroneously was not the latest radiographic image taken before the index surgery at the age of 3 years.