Complications of type II supracondylar humerus fractures treated at a specialized paediatric centre
Bibliographic record
Abstract
BACKGROUND: Supracondylar humerus (SCH) fractures are the most common operatively treated paediatric fracture in Canada. Previous literature describing the low-energy (Gartland type II) subtype reports varying complication rates from a variety of practice settings. We sought to examine complications of type II SCH fractures treated at a Canadian specialized paediatric centre. METHODS: We conducted a retrospective cohort study of patients aged 0 to 14 admitted to SickKids, Toronto, Ontario for surgical treatment of a type II SCH fracture from 2008 to 2015. The primary outcome of this study was relevant perioperative complications including: open fracture, compartment syndrome, pre- and postoperative vascular compromise, pre- and postoperative neurological compromise, failure to obtain a closed reduction (i.e., open reduction), postoperative infection, and reoperation within 3 months. RESULTS: There were 370 patients included in the study with mean (standard deviation) age 5.14 years (±2.51). The overall rate of relevant complications in the study cohort was 3.6% (13/358, 12 missing), with 12 cases of nerve palsy (3.3%; 2 iatrogenic [0.6%]) that resolved by final follow-up and one case of preoperative nerve palsy (0.3%) that did not. Importantly, there were no cases of vascular compromise, open fracture, compartment syndrome, or infection. DISCUSSION AND CONCLUSION: Complications associated with type II SCH fractures managed at a specialized paediatric centre that result in long-term morbidity are extremely rare (0.3%). Perioperative inpatient monitoring for patients with these fractures may not be justified based on these data. Prospective studies are required to confirm safety, evaluate patient perspectives, and demonstrate cost savings of outpatient surgical management.
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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 | 0.000 | 0.004 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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 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".