Non-pathological bilious vomiting complicating therapeutic hypothermia for hypoxic ischaemic encephalopathy in neonates: a retrospective cohort study
Bibliographic record
Abstract
OBJECTIVE: Therapeutic hypothermia (TH) for moderate-to-severe neonatal hypoxic ischaemic encephalopathy (HIE) is generally described as safe. We performed this study to determine the incidence of bilious vomiting or bilious drainage (BVD) attributable to TH in this population. DESIGN: A single-centre, retrospective cohort study. SETTING: Neonatal and paediatric intensive care units (NICU and PICU) of a single tertiary care centre. PATIENTS: All newborns with HIE who met criteria for TH between 2009 and 2014. INTERVENTIONS: analysis. Relative risk was calculated, and ORs were used to allow regression analysis. RESULTS: Forty-seven patients met all inclusion criteria. The incidence of BVD in patients who received TH was 26%. The group exposed to TH was more likely to experience BVD compared with the control group with a relative risk of 6.0(95% CI 1.4 to 25.4), even after accounting for improper or unchecked nasogastric position, opioids and muscle relaxant use, OR=7.8(95% CI 1.4 to 43.3), and when positive blood culture was included in the regression model, OR=11.6(95% CI 1.2 to 115.0). Three patients underwent investigation and no patients had surgical pathology. CONCLUSION: TH appears to be associated with non-pathological bilious vomiting or gastric drainage. Further prospective data are needed to identify the patients in whom investigation and intervention may be avoided.
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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 | 0.003 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.001 |
| 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".