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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_X | Pages 148 - 148
1 Apr 2012
Lakkol S Bhatnagar S Lashmipathy R Reddy G Friesem T
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To assess the clinical and radiological outcome of single and multiple level Anterior Cervical Disc Replacement (ACDR) using Peek-on-peek system. We present the largest series of POPCDR at a single centre.

Thirty-one patients with radiculopathy and/or myelopathy caused by disc generation who did not respond to conservative treatments were included. Pain and function were evaluated by VAS (Visual Analogue Score) for neck (VAS-NP) and arm pain (VAS-AP). Neck disability index (NDI) and SF-36 questionnaires were completed. Disc height and segmental angular correction (SAC) were measured on radiographs pre- and postoperatively.

Seven patients had one-level, fifteen had two-level, seven had three-level and two had four-level ACDR. Sixty-six discs were replaced. Average follow-up was six months.

Mean VAS-NP improved from 7.27 to 3.93 and VAS-AP from 7.27 to 3.4. Mean SF-36 improved from 32.21 to 40.22. There was functional improvement for NDI in all patients.

There was an improvement in SAC from 5.4° to 8.0° for one-level, 3.1° to 7.5° for two level, 8.4° to 9.4° for three-level and 5.8° to 26.7° for four-level ACDR.

Post-operative anterior disc height increased by 152% for lower and 55% for higher levels. Similar improvements were noted for posterior disc heights.

Early results show that POPCDR is safe and effective for treatment of symptomatic cervical disc disease. The clinical and radiological outcomes are similar to other types of ACDR reported in literature. POPCDR also allows safe use of MRI during follow-up with fewer artifacts giving it an edge over other systems.