Craniocervical fusion for rheumatoid arthritis: comparison of sublaminar wires and the lateral mass screw craniocervical fusion
Why this work is in the frame
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Bibliographic record
Abstract
The majority of rheumatoid arthritis patients with C1/2 instability causing neck pain and neurological compromise can be treated with unisegmental fusion. However, a minority will require decompression and more extensive craniocervical fusion. Two cohorts of patients with rheumatoid arthritis requiring decompression and craniocervical fusion were included in a retrospective study comparing sublaminar wiring (Ransford Loop, n = 10, follow-up = 36 +/- 9.5 months) and lateral mass screws (Cervifix system, n = 11; follow-up = 39.7 +/- 7.9 months). Both cohorts of patients experienced significant improvements in high cervical pain scores [McGill 5-point score; preop = 4.5 +/- 0.75 for Cervifix and 4.5 +/- 0.75 for Ransford loop; postop = 1.17 +/- 0.9 (p = 0.003) for Cervifix (at 39.7 months +/-7.9) and 2.8 +/- 1.6 (p = 0.011) for Ransford loop (at 36 +/- 9.5 months)]. Lateral mass screws for craniocervical fusion (seven out of 11 pain free) appear to produce better early results for rheumatoid arthritis patients suffering high cervical neck pain than sublaminar wire techniques (three out of 10 pain free).
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 it