[Using titanium cerclage band to teat intra- and post-operative femoral fracture in total hip arthroplasty].
Bibliographic record
Abstract
OBJECTIVE: To discuss the treatment and clinical result of using titanium cerclage band to teat intra- and post-operative femoral fracture in total hip arthroplasty. METHODS: From August 1999 to September 2007, twenty-two patients who suffered from intra-and post-operative femoral oblique fracture in total hip arthroplasty were reviewed among 2186 consecutive total hip arthroplasty patients performed by one surgeon. There were 12 fractures occurred intraoperative and 10 fractures postoperative. There are 9 primary and 13 revision total hip arthroplasty patients including 10 men and 12 women. All fractures are classified as Vancouver B1 type in 15 cases and B2 type in 7 cases. Two to five titanium cerclage bands had been used to fix the fracture followed by open reduction with 13 cases using 2 cerclage bands and 7 cases using 3 bands and 1 case using 4 bands and 1 case using 5 bands. Whether change the original stem or not depended on the classification of fractures and stability of stems. There were 15 cases of type B1 and 1 case of type B2 without changing stems and 6 cases of type B2 changing to revision stems of the same series of original stems. RESULTS: All fractures showed successfully union for 12 - 20 weeks (average 18 weeks) after operation. The average Harris score of the hip improved to 90 points (80 to 95 points) at an average 6.5 years follow-up (4 to 11 years) and the average range of motion of the hip got to 120° (105° - 135°). Femoral prostheses were well-fixed without any subsidence or lucent lines or loosening. All patients were satisfied with the results with well-fixed and good alignment of femoral stem. CONCLUSIONS: Strong fixation of the fractures and good initial stability of femoral stem can be obtained using titanium cerclage bands to fix the intra- and post-operative femoral oblique fracture. Original stems should be changed to revision stems in case of type B2 and be retained in case of type B1.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
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".