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Anterior Cervical Discectomy and Fusion: A Three Year Retrospective Study

Anterior Cervical Discectomy and Fusion: A Three Year Retrospective Study. M. Craig Hixson Undergraduate Tennessee Technological University. Objectives.

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Anterior Cervical Discectomy and Fusion: A Three Year Retrospective Study

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  1. Anterior Cervical Discectomy and Fusion: A Three Year Retrospective Study M. Craig Hixson Undergraduate Tennessee Technological University

  2. Objectives • This study is designed to evaluate the effectiveness of discectomy and fusion of the cervical spine through an anterior approach (ACDF) through post-operative questionnaires and radiographic analysis. The effects of the usage of several different types on internal instrumentation shall also be evaluated. • This study will solidify existing evidence that ACDF is an effective method for treating patients who present with various anomalies of the cervical spine. Furthermore, comparing results of patients upon which varying methods of internal fixation were used shall provide new evidence regarding the superiority of particular styles of instrumentation.

  3. Background • 1995 McAfee et al • 100 Subjects • 2 year minimum follow-up • 0% Neurological Decline • 10 instances of complications

  4. Background • 2004 Moreland et al • 131 subjects • Effects of allograft and Rabea cage vs. autograft • No statistically significant differences

  5. Background • 2005 Kwon et al • ACDF is effective method of treatment • Necessity of proper instrumentation-aided alignment overstated in previous studies

  6. Objective • Show effectiveness of ACDF • Examine differences in outcomes for patients with different internal instrumentation. ACDF is an effective method of treating patients with cervical spine pain and radiculopathy. Furthermore, favorable outcomes are independent of type of internal instrumentation.

  7. Methods • Data Form • VAS index • Oswestry Index

  8. Data Form

  9. VAS index

  10. Oswestry Index • 10 Section Questionnaire that evaluates a patients functional capacity

  11. Methods • All data obtained from follow up visits is compared to pre-operative results of same questionairres.

  12. Results • 3 year follow up will provide long term data. • 102 patients sufficient population to imply statistical significance • Studies of instrumentation are usually conducted by parties with financial ties to the hardware being studied. This study will provide an objective analysis of their effectiveness

  13. Time Line • All data has been collected • Data will be statistically analyzed by Nov.9 • Manuscript drafted and submitted for review by Nov. 16 • Poster presentation of findings by Nov. 23 • Final manuscript prepared by Nov.30

  14. Budget • All follow up visits were on voluntary basis. • Radiographic review provided voluntarily by independent radiologist. • Materials for presentation should be of nominal cost.

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