38 THE POTENTIAL OF CYCLIC VOMITING SYNDROME AS A DEVELOPMENTAL ANOMALY OF THE BRAIN
Bibliographic record
Abstract
<h3></h3> Cyclic Vomiting Syndrome (CVS) is a disease affecting predominantly children. It is characterized by cycles of vomiting, nausea and lethargy. The syndrome is idiopathic, although known associations include migraine headache, dysautonomia and mitochondrial dysfunction. It is possible that a developmental defect of the brain is the underlying cause for vomiting episodes, at least in some individuals. If this is the case, these individuals may also present with a higher prevalence of other developmental anomalies and chromosomal aneuploidies than is found in the general population. A questionnaire was administered to 108 CVS sufferers who were randomly selected from the registry of the Cyclic Vomiting Syndrome Association USA/Canada. Six of these subjects (6%) carried diagnoses consistent with aneuploidy, including abnormalities of chromosome 18 (3 cases), Down syndrome (2) and Kabuki syndrome (1). An additional 12 CVS subjects out of 80 (15%) who completed the study reported the presence of at least one major congenital malformation, versus about 3% in most population-based surveys (P = 8x10-7). Combined, 18 of 108 subjects (17%) have congenital malformations. We conclude that CVS patients present with an increased prevalence of both aneuploidy and congenital malformations. This supports that notion that a developmental anomaly of the brain may play a key role in the disease of some CVS sufferers. In the appropriate clinical setting, co-morbid findings may indicate performing a chromosomal analysis and/or a work-up for undiagnosed birth defects.
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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 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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".