Technical Considerations in the Operative Management of Femoral Neck Fractures in Elderly Patients: A Multinational Survey
Bibliographic record
Abstract
OBJECTIVE: To identify current opinions among orthopedic traumatologists relating to technical aspects of internal fixation and arthroplasty for patients with femoral neck fractures. METHODS: We developed and administered a survey to orthopedic surgeons who were members of the Orthopedic Trauma Association and European clinics affiliated with AO International (Davos, Switzerland). Surgeons reported preferences in specific aspects of the surgical technique for internal fixation as well as arthroplasty. Each surgeon received either a mailed package (7-page survey, a personalized cover letter, and a stamped return envelope) or an email with a link to the same survey on the Internet with an identification code. At 6 weeks, 12 weeks, and 18 weeks after the initial mailing, we remailed the questionnaire to all nonresponders. RESULTS: Of the 442 surgeons who were sent the questionnaire, 298 (68%) responded. The typical respondent was a North American aged more than 40 years, in academic practice, supervised residents, had fellowship training in trauma, and worked in a low-volume center. Among surgeons who treated displaced femoral neck fractures with arthroplasty, significant disparities existed in terms of the type of anesthesia (51% preferring general anesthesia), surgical approach (47% used posterior approach), and placement of unipolar implants (50%). Surgeons tended to agree on the use of cement fixation (69%), repairing the capsule (80%), and not using a drain postoperatively (68%). Surgeons who preferentially treated hip fractures with internal fixation tended to have a lack of consensus in terms of what constituted acceptable surgical delays (43% allowing greater than 48 hours) and which screw configuration to use, with more than half using a triangle with base inferior construct. Surgeons tended to agree on the use of closed fracture reduction techniques (69%), three cannulated screws (73%), and did not routinely perform a capsulotomy (80%) or aspirate the fracture hematoma (90%). Within both treatment groups (internal fixation and arthroplasty), surgeons tended to agree on the use of perioperative antibiotics (>92%), thromboprophylaxis (98%), and postoperative weight bearing status (>87%). CONCLUSIONS: A general lack of consensus exists among orthopedic trauma surgeons in the management of displaced femoral neck fractures. With an ever-growing emphasis upon the practice of evidence-based medicine, we have demonstrated several disparities in the technical aspects of fixation and perioperative care likely caused by a general lack of available evidence. We recommend the need for future research and large collaborative efforts.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 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".