… two contiguous levels CDA. We performed this meta-analysis to determine the safety and
efficacy of cervical disc arthroplasty (CDA) at two contiguous levels cervical disc degeneration. …

… Cervical disc arthroplasty (CDA) has hence gained … on need for secondary adjacent-level
surgery, which may be … symptomatic one- or two-level cervical spondylosis. Our hypothesis was …

… -segment degeneration was not a risk factor for needing additional surgery at an adjacent
level. On the basis of number of patients in the present study, smoking was also not related to …

… anterior discectomy and fusion, an increase in adjacent-level … spine indicate that the
immediately adjacent level is most at … that the adjacent and supra-adjacent levels were equally …

… [25] reported a significant increase in IDP of the proximal adjacent level during flexion after
anterior cervical arthrodesis. Komura et al. reported that ASD was more likely to occur at the …

… to anterior cervical discectomy and fusion (ACDF) for the treatment of single-level cervical
… hypermobility at the adjacent levels would increase if the operated levels are completely …

… anterior cervical discectomy and fusion has proven to be a safe and effective procedure, and
clinical outcomes have been encouraging in one- and two-level … lead to adjacent cervical …

… anterior cervical discectomy and fusion at different levels 10 . In vitro studies supported the
conclusion that anterior cervical discectomy and fusion at the operated level … adjacent levels …

… stress on the adjacent-level disc, … Cervical disc arthroplasty and anterior cervical discectomy
and fusion baseline demographic information, disease levels and indications for surgery …

… Studies on outcomes after four-level anterior cervical discectomy … rates following four-level
ACDF. Patients operated with four-… required further surgery due to adjacent segment disease, …