The association between domperidone and ventricular arrhythmia in the postpartum period
Bibliographic record
Abstract
PURPOSE: The aim of this study is to examine the relationship between domperidone (commonly used off-label for lactation stimulation), ventricular arrhythmia and all-cause mortality during the postpartum period. METHODS: This is a retrospective, population-based cohort study of all women with a live birth between 1 January 2002 and 31 December 2011 in British Columbia, Canada. Cox proportional hazards models, yielding hazard ratios (HRs), were used to estimate the risk of hospitalization for ventricular arrhythmia associated with domperidone exposure within six months postpartum. RESULTS: The study population consisted of 225 532 women with 320 351 live births. There was only one death during the six-month postpartum period among the study population, and thus we did not perform any analyses of all-cause mortality. We identified 21 hospitalizations for ventricular arrhythmia. Adjusting for age, smoking and prior history of ventricular arrhythmia and cardiovascular disease, the risk of ventricular arrhythmia hospitalization was approximately double among those exposed to domperidone, but the results were not statistically significant (HR = 2.25, 95%CI 0.84-6.01). Adjustment for body mass index in the 74% of women for whom it was known further reduced the association (HR = 1.69, 95%CI 0.48-5.96). CONCLUSIONS: We found a possible association between exposure to domperidone and hospitalization for ventricular arrhythmia among a cohort of women who have recently given birth. Future studies are needed to confirm this association. Copyright © 2016 John Wiley & Sons, Ltd.
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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 | 0.006 | 0.002 |
| 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 | 0.000 |
| 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".