Surgical Site Infections After Routine Syndesmotic Screw Removal: A Systematic Review
Bibliographic record
Abstract
OBJECTIVES: To investigate the incidence of surgical site infections (SSIs) after routine removal of syndesmotic screws (SSs) placed to stabilize syndesmotic injuries. DATA SOURCES: A systematic literature search was performed in the PubMed, Cochrane, and EMBASE databases for studies published online before February 2020, using the key words and synonyms of "syndesmotic screw" ("ankle fractures" or "syndesmotic injury") and "implant removal." STUDY SELECTION: Studies were eligible for inclusion when they described >10 adult patients undergoing elective/scheduled removal of the SS. DATA EXTRACTION: The 15 included articles were assessed for quality and risk of bias using the Newcastle-Ottawa Scale. Baseline characteristics of the studies, the study population, the intervention, the potential confounders, and the primary outcome (% of SSIs) were extracted using a customized extraction sheet. DATA SYNTHESIS: The primary outcome was presented as a proportion of included patients and as a weighted mean, using inverse variance, calculated in RStudio. Furthermore, potential confounders were identified. CONCLUSIONS: The percentage of SSIs ranged from 0% to 9.2%, with a weighted mean of 4%. The largest proportion of these infections were superficial (3%, 95% confidence interval: 2-5), compared with 2% deep infections (95% confidence interval: 1-4). These rates were comparable to those of other foot/ankle procedures indicating that the individual indication for SS removal (SSR) should be carefully considered. Future studies should focus on valid indications for SSR, the influence of prophylactic antibiotics on an SSI after SSR, and complications of retaining the SS to enable a fair benefits/risks comparison of routine versus on-demand removal of the SS. LEVEL OF EVIDENCE: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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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 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.009 | 0.006 |
| 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 | 0.002 |
| 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 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".