Osseous healing of the CORA-based leveling osteotomy stabilized with a bone plate, cannulated compression screw, and tension band: a descriptive case series in dogs
Bibliographic record
Abstract
Abstract Background An osteotomy procedure option for stabilization of the CrCL deficient stifle is the Center of Rotation of Angulation (CORA) Based Leveling Osteotomy (CBLO). The CBLO procedure involves a proximal tibial plateau leveling osteotomy based on the magnitude of the CORA. Correction of the CORA magnitude results in the desired postoperative tibial plateau angle (TPA) without secondary translation. If translation is prevented, the amount of bone contact across the osteotomy is maximized. This coupled with the ability to apply compression across the osteotomy with a cannulated compression screw (CCS) and tension band increases the strength of the construct. The objectives of this descriptive case series is to assess osseous bridging of the osteotomy at 35 days following a CBLO stabilized with a bone plate, CCS, and tension band. A second objective is to determine if there is a shift of the postoperative TPA when compared to TPA at final radiographic evaluation. Results Forty-seven dogs (49 stifles) met the inclusion criteria. Multiple breeds were represented with a mean age of 6 years and mean body mass of 32kg. All dogs had incompetent partial or complete CrCL tears. There was approximately 50% incidence of medial meniscal pathology with remaining intra-articular structures appearing normal. No intraoperative complications occurred; there were two postoperative complications including a late onset medial meniscal tear and an implant removal due to infection. At a mean time of 35 days (range 25–39 days) postoperatively, osseous bridging of the osteotomy was Grade 4 in 38 stifles (78%) and Grade 3 in 11 stifles (22%). There was no difference between postoperative TPA and final TPA. Conclusions Stabilization of a CBLO osteotomy with a bone plate, CSS, and tension band resulted in the majority of dogs (78%) exhibiting Grade 4 healing and the remainder of dogs (22%) showing Grade 3 healing of the osteotomy at a median of 35 days (range 25days to 39 days) postoperatively. Further, there was no TPA shift recognized at final radiographic assessment.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.002 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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".