Ultrasound-guided, minimally invasive looped thread fasciotomy for chronic exertional compartment syndrome of the lower leg: A cadaveric feasibility study
Bibliographic record
Abstract
Background: - Chronic exertional compartment syndrome (CECS) is an exertional pain syndrome that typically affects the lower legs of participants involved in high-intensity running or marching activities. Surgical open fasciotomy is the standard treatment for recalcitrant cases of CECS. Alternative, minimally invasive fasciotomy techniques are emerging which may reduce rates of procedural complications and expedite recovery. The standard fasciotomy procedure for CECS may be improved by looped thread release with additional image guidance. The aim of this study was to describe and evaluate a novel technique of ultrasound-guided, minimally invasive looped thread fasciotomy for release of anterior and lateral compartments of the leg in a cadaveric model. We hypothesized that a fasciotomy of this type would be effective in achieving a target fasciotomy length of 80% of the length of a muscle compartment while avoiding injury to neurovascular structures. Materials and methods: - We conducted a controlled laboratory study. Two proceduralists performed anterior and lateral compartment fasciotomies on ten lightly embalmed cadaveric legs. A total of twenty compartment releases were completed, using an ultrasound-guided, percutaneous looped cutting thread technique. The specimens were evaluated for length and completeness of fasciotomy, as well as any inadvertent injury to muscle, tendon, or neurovascular structures. Completeness of fasciotomy was compared between the anterior and lateral compartments. Results: - Eighteen of twenty (90%) fasciotomies were continuous. Fasciotomy length was consistently under target (72% complete). Completeness of lateral compartment release was significantly more likely to be under target compared to anterior compartment release (65% vs. 79%, p = 0.014). Sixteen of twenty (80%) fasciotomies incurred no iatrogenic soft tissue injury; no injuries to nerves or vessels were observed. Discussion –: Ultrasound-guided, minimally invasive looped thread fasciotomy of the anterior and lateral leg compartments is feasible and can be successfully performed in a cadaveric model with low risk to neurovascular structures. However, further investigation is needed to improve completeness of release prior to recommendation for clinical use.
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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 | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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 | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.005 | 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".