Incidence and risk factors of axial symptoms after cervical disc arthroplasty: A minimum 5-year follow-up study

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Abstract

Background<br />The purpose of this study was to investigate whether uncovertebral joint ossification was a risk factor for axial symptoms (AS) after cervical disc arthroplasty (CDA).<br /><br />Methods<br />This retrospective study included 52 consecutive patients who underwent CDA for single-level cervical disc disease. To examine possible risk factors for AS after CDA, univariate and multivariate logistic regression analyses were conducted to compare data from the patients with and without AS (the AS and no-AS groups, respectively).<br /><br />Results<br />Among the 52 patients examined, AS were observed in 24 patients (46.2 %), including a stiff neck (n = 11), neck pain and dullness (n = 10), and shoulder pain (n = 3). Uncovertebral joint ossification was detected in 22 (42.3 %) patients, including 17 patients in the AS group and 5 patients in the no-AS group. Clinical outcome improved during the follow-up period for the AS group. According to multivariate logistic regression analysis, uncovertebral joint ossification, cervical kyphosis, and range of motion (ROM) at the index level were identified as significant risk factors for AS after CDA.<br /><br />Conclusions<br />Satisfactory clinical outcomes were observed following CDA for the treatment of single-level cervical disc disease in the present cohort. In addition, uncovertebral joint ossification, cervical kyphosis, and ROM at the index level were found to affect the incidence of AS after CDA.

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Chen, J., Li, J., Qiu, G., Wei, J., Qiu, Y., An, Y., & Shen, Y. (2016). Incidence and risk factors of axial symptoms after cervical disc arthroplasty: A minimum 5-year follow-up study. Journal of Orthopaedic Surgery and Research, 11(1). https://doi.org/10.1186/s13018-016-0440-8

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