Balloon Kyphoplasty for Acute Osteoporotic Compression Fractures
Bibliographic record
Abstract
We reviewed the effectiveness of balloon kyphoplasty in the treatment of acute symptomatic vertebral compression fractures. We assessed radiographic and functional outcome in 11 patients with a 24.3 month follow-up from a retrospectively monitored series of 11 patients who underwent balloon kyphoplasty (BKP). A visual analogue scale (VAS) and the short McGill questionnaire (MPQ) were used to assess average symptoms. Eleven patients with 19 treated vertebrae completed the study. The VAS showed significant improvement after treatment: the initial score was 9.1+/-0.6 (mean+/-SD), falling to 2.7+/-1.07 by 24.3 months (P<0.001). The MPQ also showed a significant improvement (P<0.001) at follow-up. A new fracture was seen in one patient affecting two vertebrae adjacent to the treated level. On CT following the procedure, there was cement leakage in the disc in 9% of cases. BKP is a minimally invasive procedure that has been shown to be effective in the treatment of acute symptomatic vertebral compression fractures. It appears that BKP is associated with a low incidence of procedure-related complications and cement extravasation.
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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) | 0.001 | 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".