Simultaneous Fracture of Every Cervical Vertebra
Bibliographic record
Abstract
STUDY DESIGN: The case of a 14-year-old boy who sustained simultaneous fractures of every cervical vertebra in a high-energy snowmobile accident is reported. OBJECTIVE: To describe a case of multiple cervical spine fractures and their management. SUMMARY OF BACKGROUND DATA: Injuries from all-terrain vehicles and off-road vehicles, including snowmobiles, are increasing in severity and frequency. The reported case illustrates a result of high-impact loading in which the driver struck his head after being thrown from a snowmobile at high speed. METHODS: The 14-year-old boy in the reported case fractured C1-C7, but had no neurologic sequelae. RESULTS: The fractures were treated with a halo vest after traction and reduction of the displaced odontoid fracture. All the fractures healed with no residual cervical instability. CONCLUSIONS: This case report is the first to describe a patient of any age who sustained simultaneous fractures of every cervical vertebra. Treatment with a halo vest was successful in protecting the cervical spine until healing was complete.
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How this classification was reachedexpand
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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 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) | 0.006 | 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 teacher head, 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".