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  • Title: Assessment of adjacent segment degeneration in and between patients treated with anterior or posterior cervical simple discectomy.
    Author: Acikbas SC, Ermol C, Akyuz M, Tuncer R.
    Journal: Turk Neurosurg; 2010 Jul; 20(3):334-40. PubMed ID: 20669106.
    Abstract:
    AIM: The authors compared the incidence of radiologically documented and/or symptomatic adjacent segment degeneration in and between patients who underwent anterior or posterior single-level, simple discectomy. MATERIAL AND METHODS: 79 patients were clinically and radiologically examined for adjacent segment degeneration (ASD). The results were compared to evaluate which approach was predominant for adjacent segment disc degeneration. RESULTS: ASD was found in 57 of a total of 79 patients. 24% of the patients demonstrated clinical and radiographic evidence and 48% of the patients demonstrated only radiographic evidence of ASD. Both anterior and posterior single level simple discectomy had similar rates for adjacent segment disease (p>0.05) . ASD was found to appear earlier in patients who had anterior cervical discectomy (4.78 vs 9.85 years, p:0.005). Symptomatic evidence of ASD was found to start earlier than radiological evidence of ASD (4.67 vs 7.63 years p:0.003). Radiographic evidence of adjacent segment degeneration was observed more commonly compared to symptomatic evidence of ASD (38 vs 19 patients p:0.002). CONCLUSION: Although, radiographic and clinical evidence of ASD is inevitable for both simple cervical discectomy procedures, neither anterior nor posterior simple cervical discectomy is the predominant approach for causing ASD.
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