Factors affecting neurological outcome in traumatic conus medullaris and cauda equina injuries
Why this work is in the frame
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Bibliographic record
Abstract
The purpose of this review was to describe the relevant factors that influence neurological outcomes in patients who sustain traumatic conus medullaris injuries (CMIs) and cauda equina injuries (CEIs). Despite the propensity for spinal trauma to affect the thoracolumbar spine, few studies have adequately characterized the outcomes of CMIs and CEIs. Typically the level of neural axis injury is inferred from the spinal level of injury or the presenting neurological picture because no study from the spinal literature has specifically evaluated the location of the conus medullaris with respect to the level of greatest canal compromise. Furthermore, the conus medullaris is known to have a small but important variable location based on the spinal level. Patients with a CMI will typically present with variable lowerextremity weakness, absent lower-limb reflexes, and saddle anesthesia. The development of a mixed upper motor neuron and lower motor neuron syndrome may occur in patients with CMIs, whereas a CEI is a pure lower motor neuron injury. Many treatment options exist and should be individualized. Posterior decompression and stabilization offers at least equivalent neurological outcomes as nonoperative or anterior approaches and has the additional benefits of surgeon familiarity, shorter hospital stays, earlier rehabilitation, and ease of nursing care. Overall, CEIs and CMIs have similar outcomes, which include ambulatory motor function and a variable persistence of bowel, bladder, and potentially sexual dysfunctions.
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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 | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.003 | 0.001 |
| 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 | 0.001 | 0.002 |
| 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