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Record W4323056293 · doi:10.1177/2325967121s00851

Syndesmosis Instability

2023· article· en· W4323056293 on OpenAlexaboutno aff
Langga Sintong

Bibliographic record

VenueOrthopaedic Journal of Sports Medicine · 2023
Typearticle
Languageen
FieldMedicine
TopicFoot and Ankle Surgery
Canadian institutionsnot available
Fundersnot available
KeywordsSyndesmosisMedicineDiastasisAnkleInterosseous membraneDeltoid ligamentLigamentOrthodonticsFibulaSurgeryTibia

Abstract

fetched live from OpenAlex

The syndesmosis is one of important stabilizer of the ankle joint and consists of a complex ligamentous structure: the anterior inferior tibiofibular ligament; the interosseous ligament; the posterior inferior tibiofibular and the transverse ligaments. The posterior syndesmosis plays the most important role providing 40–45% of the resistance to diastasis, while the AITFL provides around 35%. Major injuries of two of the syndesmosis components represent a loss of more than 50% of resistance to diastasis and may result in instability. Syndesmosis injury or a high ankle sprain, is a frequent athletic trauma accounting for 1% to 18% of all ankle sprains, 17 to 84% of all sport injuries, and 10% of all ankle fractures. Most of the mechanism injury is external rotation injury. A radiographic study suggested that about 20.3% of ankle sprains were combined with a syndesmosis injury. Without proper treatment, the chronic syndesmosis injury remains symptomatic for more than 6 months after the initial trauma, with persistent pain, functional disability, and early-stage ankle arthritis. Normally, syndesmosis widens 1 mm during normal gait. Widening of syndesmosis more than 1 mm can reduce tibiotalar contact surface about 42%. The degenerative changes can occur if the lateral talar shift more than 2 mm. Clinical tests for syndesmosis injuries are external rotation stress test, Cotton test, dorsiflexion-compression test, squeeze test, crossed-leg test, fibular translation and AITFL palpation. Standard radiographs are part of ankle trauma evaluation, especially for fracture exclusion, applying the Ottawa criteria. Computerized tomography (CT) scan is a useful tool to assess tibiofibular diastasis, fibular rotation and joint asymmetry, but shows low sensitivity. MRI is showing very high sensitivity and specificity in identification of syndesmotic injuries. For stable lesion can be treated with conservative means, including non weight bearing or protected weight bearing with a cast or walking boot and a rehabilitation protocol. An unstable lesion requires a surgical procedure to avoid long-term disability and chronic instability. Ankle arthroscopy remains essential for diagnosis and treatment. With accessory tools that measure the syndesmosis gap (e.g. 3.5 mm shaver canula or a metallic tools). Passage of a 3 mm spherical probe during external rotation indicates very high likelihood of rupture of both the AITFL and the IOL. Also, concomitant intra-articular pathologies (osteochondral lesions, other ligamentous rupture or loose bodies) can be presented, with 19% needs to be addressed, reinforcing the role of arthroscopy not only for diagnosis but also for treatment. It is also an excellent tool to evaluate anatomic reduction and residual diastasis.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: none
Teacher disagreement score0.023
Threshold uncertainty score0.078

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.002
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0030.002
Science and technology studies0.0020.001
Scholarly communication0.0010.001
Open science0.0000.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0230.005

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.

Opus teacher head0.025
GPT teacher head0.283
Teacher spread0.257 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designNot applicable
Domainnot available
GenreOther

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".

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Citations0
Published2023
Admission routes1
Has abstractyes

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