Several studies showed encouraging results after total disc replacement (TDR) in patients with cervical-brachial syndrome (CBS).
OBJECTIVE:
The aim of this study was to supplement the existing documentation of results after total disc replacement and to underline the importance of the correct indication.
METHODS:
The clinical and radiological outcome of 34 patients was evaluated in a 2-year follow-up by several parameters as the Visual Analogue Scale (VAS) for pain, the Neck Disability Index (NDI) and the Kellgren and Lawrence Score.
RESULTS:
The median values for NDI changed from 65% (20–90) before surgery to 20% (0–86) 2 years after surgery ( 0.0001). Pain intensity had an average rate of reduction from 8.4 2 cm (VAS scale 0–10 cm) to 2.9 2 cm ( 0.0001).
A median of 1 (0–3) was calculated for the Kellgren and Lawrence Score in the affected segment preoperatively. Due to loosening in five cases the TDR was removed and changed into anterior cervical decompression and fusion (ACDF). In all of these five cases a preoperative Kellgren and Lawrence Score of 2 or 3 was calculated and five of five patients (100%) were smokers.
CONCLUSION:
The use of TDR in nonsmoking patients with a low preoperative Kellgren and Lawrence Score of 0–1 lead to a clinically and radiologically successful outcome.
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