Thesis (M.Sc.) - Cairo University - Faculty of Medicine - Department of Neurosurgery

Objective: This study details analysis of the indications, safety, efficacy and complications of artificial cervical disc for replacement of cervical disc in cases cervical disc diseases compared to PEEK cage insertion. Methods: A prospective study conducted on 30 patients with single level cervical disc diseases like herniated or degenerative lesions treated with fixed and dynamic prosthesis, confirmed by clinical and radiological data,. Results: Average age of presentation was 37.7 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 18 and 50 years for both studies. The average duration of symptoms was 51.4 weeks.The average follow up period in our study was 6 months, 21 cases had left sided radiculopathy, 10 cases had right sided affection. The most common presenting symptom after brachialgia (100%) was neck pain, most common sign was sensory changes. Most common operated level was C5-6 for both groups. The average follow up period in our study was 12 months with no recurrence, instability or progressive kyphosis Conclusion:artificial cervical disc is the alternative to cage fusion and total disc prosthesis with a wider range of indications. offers stable, artificial cervical disc controlled (adequate) motion to already significantly degenerated motion segments. In addition the implant is axial compliant offering capabilities to avoid overloading and accelerated degeneration of the adjacent segments above and below the treated segment

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