Supracondylar Femoral Fracture After Arthroscopic Reconstruction of the Anterior Cruciate Ligament: A Case Report
Bibliographic record
Abstract
R econstruction of the anterior cruciate ligament is one of the most frequently performed orthopaedic procedures, with more than 100,000 reconstructions performed annually in the United States alone1. Autogenous bone-patellar tendon-bone graft is the graft option that is most frequently utilized by orthopaedic surgeons in the United States, Canada, and Europe2. Complications have been reported to occur in association with 1.8% to 24% of anterior cruciate ligament reconstructions3-5. Serious complications have included arthrofibrosis, patellar fracture, patellar tendon rupture, tibial tubercle fracture, tibial plateau fracture, and osteonecrosis of the femoral condyles3-6. Femoral fracture following anterior cruciate ligament reconstruction is a devastating complication that has been reported only in isolated cases and has been attributed to technical errors or the creation of additional bone holes for supplemental fixation devices used with earlier reconstructive techniques7-12. We present a rare case of a supracondylar femoral fracture that occurred after an arthroscopic anterior cruciate ligament reconstruction that had been performed without supplemental fixation and had not been associated with intraoperative complications. The fracture occurred through an enlarged femoral tunnel following an injury of the involved extremity. Our patient was informed that data concerning this case would be submitted for publication. A thirty-three-year-old man sustained an injury of the left knee after falling off a mountain bike. He reported that he had lost his balance while in a standing position and had fallen onto the right side with hyperextension of the left knee after getting his foot caught in the pedal. He presented to the emergency room with left knee pain and the inability to bear weight on the affected leg. A review of the history revealed that an arthroscopic reconstruction of the left anterior cruciate ligament had been performed …
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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 | 0.005 |
| Meta-epidemiology (narrow) | 0.004 | 0.003 |
| Meta-epidemiology (broad) | 0.003 | 0.003 |
| Bibliometrics | 0.005 | 0.003 |
| Science and technology studies | 0.005 | 0.003 |
| Scholarly communication | 0.003 | 0.003 |
| Open science | 0.003 | 0.003 |
| Research integrity | 0.011 | 0.005 |
| Insufficient payload (model declined to judge) | 0.004 | 0.002 |
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".