Comparative study of basilar artery implanted with intracranial stent between beagle dogs and labrador dogs
Bibliographic record
Abstract
Objective To compare the differences of the intracranial vascular diameter and neurological function between beagle and labrador dogs using angiography and neurological function evaluation, and explore the feasibility of labrador dogs for experimental study of basilar artery implanted with intracranial stent. Methods A total of 12 dogs, including 6 beagle dogs (beagle group) and 6 labrador dogs (labrador group) were subjected to general anesthesia. All dogs were examined with cerebral angiography. The diameters of the internal cerebral arteries (ICA), middle cerebral artery (MCA), rostral cerebral artery (RCA) and basilar artery (BA) were measured. The weight of dogs and the diameter of arteries were statistically analyzed. The differences in the diameters were compared between the two groups. The neurological function scores were compared between the two groups before and after the stent implantation. Results No obvious variations in the cerebrovascular structure was found in these dogs. The diameters of the ICA, MCA, RCA and BA in beagle group were (1.27±0.04), (0.96±0.05), (0.55±0.08) and (1.35±0.07) mm, and those in labrador group were (1.87±0.06), (1.34±0.07), (0.86±0.06) and (1.65±0.04) mm, respectively. The neurological function scores after the stent implantation in beagle group and labrador group were (5.50±0.73) and (2.16±0.19) respectively. The diameter of the ICA, MCA, RCA and BA was significantly larger in labrador dogs than that in beagle dogs (t=7.367, 5.485, 4.872, 4.328, P=0.000, 0.000, 0.001, 0.001). The neurological function scores after the stent implantation in labrador dogs were less than those in beagle dogs (t=9.579, P=0.000). Conclusion There are few variations of the diameter of intracranial vessels in labrador dogs. The diameter of basilar artery was larger in labrador dogs than that in beagle dogs. The abrador dogs are more suitable for experimental study of basilar artery implanted with intracranial stent than the beagle dogs. Key words: Beagle dogs; Labrador dogs; Basilar artery; Stent implantation
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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".