Intracranial Dural Arteriovenous Shunts in Children
Bibliographic record
Abstract
Intracranial dural arteriovenous shunts (DAVS) are a group of different nosologic entities sharing a similar angioarchitecture1. In the pediatric recognized (table (table11)2. The neonatal-type (NDAVS) is characterized by a malformation of the dural sinuses (figures (figures1A1A,,B).B). The most common symptoms are related to increased intracranial pressure (ICP), mild cardiac failure and coagulation disorders. The reduction of venous outlets of the brain and additional overload into the sinuses lead to spontaneous thrombosis and consequent occlusion of all venous outlets as well as coagulation consumption syndromes. Table 1 Classification of DAVS in the pediatric population2 * Figure 1 Neonatal-type DAVS (Case 5) A) Right occipital arteriogram (AP view) shows fistula from the occipital artery into a large, malformed dural sinus. B) Venous phase of right occipital arteriogram (lateral view) shows an occluded right transverse sinus (arrowhead) and a stenotic left jugular bulb (arrowhead).
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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 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 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".