Parasagittal intraparenchymal hemorrhage in complicated second stage labour: a report of three cases
Bibliographic record
Abstract
The increased use and mastery of ceasarian section for deliveries and the refinement of technologies for assisted delivery in the setting of dfficult second stage of labour have made intrapartum deaths more rare and modern obstetrical pracices are rarely accompanied by the classic forceps related intracranial injuries. We document a novel pattern of intracranial injury in three cases of neonatal death following prolonged labor, of which two out of three required vacuum and forceps. All three showed similar bilateral parasagittal intraparenchymal haemorrhages and cerebral edema, in a pattern reminiscent of “gliding contusion, as well as subgaleal haemorrhage of varying amout. Two out of the three cases showed parietal bone fractures and one demonstrated extensive craniolcuniae. We briefly discuss the significance of these findings and implications for future cases. LEARNING OBJECTIVES This presentation will enable the learner to: 1. Explore the current theories leading to neonatal death in prolonged labor 2. Summarize the known pathological findings associated with vacuum and forceps 3. Discuss the significance of intraparenchymal hematoma in the setting of prolonged delivery
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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 | 0.002 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.001 | 0.004 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 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".