Magnetically Controlled Growing Rod in Early-Onset Scoliosis: A Minimum of 2-Year Follow-Up
Bibliographic record
Abstract
PURPOSE: The magnetically controlled growing rod technique decreases complications, costs, and loss of functionality by avoiding successive surgical corrections every 6 months in patients with early-onset scoliosis. However, only a few studies have presented clinical experience with the magnetically controlled growing rod. In this study we aimed to present our single-center experience in patients with early-onset scoliosis who underwent the magnetically controlled growing rod technique and follow-up for at least 2 years. MATERIALS AND METHODS: We made an observational study by evaluating patients with early-onset scoliosis who underwent the magnetically controlled growing rod technique between February 2012 and December 2013. Demographic and clinical data were obtained from the patients charts. We included patients who were followed up for at least 2 years. Radiological data were obtained from plain anterior-posterior and lateral scoliosis X-rays. RESULTS: Eight patients with early-onset scoliosis who underwent surgery using the magnetic system were treated with dual rods. None of the spines were fused to the sacrum. We observed no intra- and/or postsurgical complications. The average number of external rod lengthenings was 7.6. The average amount of lengthening was 30.6 mm on the right side and 27.8 mm on the left side by the time of last clinical follow-up. The average coronal and sagittal Cobb values at the final clinical evaluation were 10.5° (thoracic coronal), 13.75° (lumbar coronal), 6.25° (lumbosacral coronal), 24.5° (thoracic sagittal), and 40° (lumbar sagittal), respectively. CONCLUSIONS: The magnetically controlled growing rod is beneficial in early-onset scoliosis, since it enables spinal growth and decreases additional surgeries, complications, and costs. Even though we had a small sample size, our follow-up period was enough to declare long-term outcomes of our patients. Multicenter and large sample-sized studies are needed to make more conclusive statements regarding this promising scoliosis treatment approach.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| 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 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".