Perinatal outcome following fetal chest shunt insertion for pleural effusion
Why this work is in the frame
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Bibliographic record
Abstract
OBJECTIVE: To evaluate perinatal outcome of fetuses with primary pleural effusions following pleuroamniotic shunting. METHODS: This was a retrospective study of 88 fetuses with large pleural effusions referred to a tertiary fetal medicine unit between 1991 and 2008 which, after a thorough work-up, underwent pleuroamniotic shunting. RESULTS: At presentation, 59 (67.0%) fetuses were hydropic and 67 (76.1%) had bilateral effusions. In 17 (19.3%) fetuses, pleural fluid was aspirated prior to shunting and in 71 (80.7%), shunts were inserted directly as the first procedure. Mean gestational age at shunting was 27.6 (range, 18-37) weeks and at delivery 34.2 (range, 19-42) weeks. Seventy-four (84.1%) babies were born alive, of whom 52 (70.3%) survived the neonatal period. Of 59 hydropic fetuses, 10 (16.9%) died @ in utero and 18 neonates (30.5%) died, resulting in perinatal survival of 52.5%, whereas of 29 non-hydropic fetuses, perinatal survival was 72.4%. Hydrops resolved following shunting in 28 fetuses, of whom 71% survived, compared to 35% survival in 31 fetuses where hydrops persisted (P = 0.006). Of 22 neonatal deaths, seven were related to pulmonary hypoplasia, five to genetic syndromes, two to aneuploidy and one to a congenital anomaly (truncus arteriosus). Overall 13 (14.8%) were diagnosed with a chromosomal, genetic or other condition, several of which could not have been diagnosed antenatally. CONCLUSION: Carefully selected fetuses with primary pleural effusions can benefit from pleuroamniotic shunting, allowing hydrops to resolve with a survival rate of almost 60%.
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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 | 0.000 | 0.008 |
| 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 it