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Short-Term Radiological Comparison Study between Intervertebral Cage and Dynamic Cervical Implant for Management of Cervical Disc Disease

Abstract Background: This study details the evaluation by radio-logical outcome of dynamic cervical replacement for man-agement of cervical disc diseases compared to PEEK cage insertion. Aim of Study: The study aims to compare the radiological outcome of two modalities for the treatment of the cervical disc diseases, the first group is the fixed group (treated by insertion of inter vertebral cages), and the second group is the dynamic one, (treated by insertion of the dynamic cervical implants or DCI). Patient and Methods: A prospective study conducted on 50 patients with cervical disc diseases lesions treated either by fixed or dynamic prosthesis; the outcome of both methods was confirmed and evaluated by radiological assessment. Results: The average age of presentation was 44.1 years for both groups, female ratio for the fixed group was 1.5:1, and 1:1.08 for the dynamic group, with age ranged between 35 and 53 years for both studies with an average of 44.1±6.345 years. The average follows-up period in our study was 22.5 months, 21 cases had left sided radiculopathy, 10 cases had right sided affection. Most common operated level was C5- 6 for both groups. Conclusion: The DCI implant offers stable, controlled (adequate) motion the DCI implant is a safe and easy procedure. Immediate dynamic stability with good clinical and radiological response. The DCI implant is the alternative to cage fusion with no implant-related morbidity or complications to already significantly degenerated motion segments.