Cervical Spondylosis: The Role of Anterior Instrumentation After Decompression and Fusion
Bibliographic record
Abstract
The role of plate stabilization after anterior decompression and fusion of the cervical spine for cervical spondylosis remains controversial. This study aimed to justify the use of instrumentation to stabilize anterior cervical fusion for cervical spondylosis through a risk-benefit analysis and comparison of the results with those reported in the literature on the outcome of fusion without instrumentation. The authors retrospectively reviewed the charts and radiographs of 47 patients with symptoms secondary to cervical spondylosis who underwent anterior cervical decompression and instrumented fusion. After operation, patients were mobilized early, and neither neurologic injury nor infection developed in any patient. At an average 3.4 years after surgery, the rate of graft complications, including nonunion (4.26%), was low, whereas the rate of hardware-related morbidity was minimal (6%). An average 0.4 degrees loss of the intraoperative correction of cervical lordosis was observed at the last follow-up examination. Accelerated degenerative changes at levels adjacent to the fusion were seen in 17% of patients, but only two patients required repeat operation for persistent symptoms. The use of instrumentation to stabilize the cervical spine in patients with cervical spondylosis after anterior decompression and fusion is relatively safe. It permits early pain-free mobilization, successfully maintains sagittal cervical spine alignment, and promotes consistent and reliable spinal fusion.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.005 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".