Clinical efficacy and feasibility of simple navigation technology with an ordinary laser pen and surgical instrument box in open-wedge high tibial osteotomy
Bibliographic record
Abstract
Abstract Background: The clinical outcomes of open-wedge high-tibial osteotomy (OWHTO) for medial knee osteoarthritis depend mainly on the precision of correction. The present study aimed to determine the efficacy and feasibility of simple navigation technology with an ordinary laser pen and surgical instrument box.Methods: Seventy-one patients were randomly divided into the navigation (n=36) and traditional groups (n=35). In the navigation group, the hip, knee (Fujisawa point), and ankle centers were located preoperatively using the lid of the surgical instrument box. The leg was aligned with an ordinary laser pen. Radiation exposure, operative time and cost, required labor and postoperative complications were evaluated. The visual analog scale (VAS) and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores were recorded. After 24 months, the femoral tibial angle (FTA), medial proximal tibial angle (MPTA), posterior slope angle (PSA), and rate of excellent correction were recorded. The Kaplan-Meier method was used to evaluate the survival time of affected knees.Results: Radiation exposure, operative time and cost, required labor, rate of excellent correction, and postoperative complications were better in the navigation group than in the traditional group (P < 0.05). Six months postoperatively, the VAS and WOMAC scores were significantly improved in both groups (P < 0.001). At 24 months, the FTA, MPTA and PSA were corrected in both groups (P < 0.001), and no between-group differences were found (P > 0.05). There was no difference in the postoperative knee survival time between the traditional and laser navigation groups (P = 0.533).Conclusions: Simple laser navigation technology can effectively increase the rate of excellent leg alignment correction and reduce radiation exposure, operative time and cost, required labor, and postoperative complications.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| 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 source (direct Gemma or distilled Codex), 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".