Minimally invasive and open posterior calcaneal displacement osteotomy for pediatric hindfoot deformity: A comparative study
Why this work is in the frame
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Bibliographic record
Abstract
BACKGROUND: Minimally invasive posterior displacement calcaneal osteotomy (PDCO) is often used in hindfoot deformity correction in the adult population, but there is a paucity on its use in children. The aim of this study was to compare the clinical and radiographic outcomes of open versus minimally invasive PDCO (MI-PDCO) approach in children. METHODS: This is a consecutive series of PCDOs performed as a component of a complex foot and ankle reconstruction. RESULTS: Twenty-nine calcaneal osteotomies in 23 patients aged 13.0 ± 3.0 years were included. Eleven osteotomies were performed open (O-PDCO) and 18 MI-PDCO. Mean follow-up was 35.4 ± 19.1 months. No delayed union, non-union, or apophyseal growth disturbance was observed. Seven nerve paresthesias were observed, two in the O-PDCO (18.1 %) and five in the MI-PDCO (27.7 %) group, all improved. CONCLUSION: These results support MI-PDCO as a safe and effective alternative technique to conventional O-PDCO to correct pediatric hindfoot deformities. LEVEL OF CLINICAL EVIDENCE: Level 3 (retrospective comparative study).
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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