Evidence map›Paper›PMID 14749651›Full record

ArticleAmerican journal of obstetrics and gynecology2004

A fetal response to chorioamnionitis is associated with early survival after preterm birth.

Monica M Lahra, Heather E Jeffery

Abstract read
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In one paragraph

Article in American journal of obstetrics and gynecology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
74citing papers in PubMed, 1 pooled it
7.9field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

74 citing papers in PubMed, 1 synthesis or guideline pooled it, 261 citations in OpenAlex.

  1. Pooled it
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  5. Treatment strategies for intra-amniotic infection and/or inflammation in preterm labor cases.European journal of obstetrics & gynecology and reproductive biology: X · 2025
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  15. Elevated neutrophil-lymphocyte ratios in extremely preterm neonates with histologic chorioamnionitis.Journal of perinatology : official journal of the California Perinatal Association · 2021
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14 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

2 authors at 1 institution in 1 country.

Monica M LahraRPA Newborn Care, Royal Prince Alfred Hospital, and the University of Sydney, Sydney, Australia.
Heather E Jeffery
Royal Prince Alfred Hospital · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe purpose of this study was to determine, in a large preterm cohort (20-34 completed weeks of gestation), the incidence of histologic chorioamnionitis and the incidence of a histologic fetal response to chorioamnionitis (umbilical vasculitis with or without funisitis) in neonatal survivors (to 28 days) and perinatal deaths. STUDY

designPlacental histopathology was reviewed (n=3928 reports). In a subset of this cohort (n=2076 reports), evidence of a histologic fetal response was compared in neonatal survivors and perinatal deaths.

resultsThe incidence of histologic chorioamnionitis ranged from 66% at 20 to 24 weeks of gestation (n=261 neonates) to 16% at 34 weeks (n=770 neonates). The overall incidence was 31% (n=3928 neonates). At 25 to 29 weeks of gestation, neonatal survivors had a higher incidence of histologic chorioamnionitis (P=.02; 95% CI, 1.02-1.21). In addition, neonatal survivors had a higher incidence of a histologic fetal response to chorioamnionitis at 25 to 29 weeks of gestation (P=.01; 95%CI, 0.33-0.86) and 30 to 34 weeks of gestation (P=.02; 95%CI, 0.18-0.85).

conclusionHistologic chorioamnionitis is inversely related to gestational age. Both histologic chorioamnionitis and a histologic fetal response to chorioamnionitis were observed to be more common in preterm survivors of the neonatal period.

Indexed as

Infant MortalityInfant, PrematureAustraliaChorioamnionitisCohort StudiesFemaleGestational AgeHumansIncidenceInfant, NewbornInflammationPregnancyRetrospective StudiesUmbilical CordVasculitis

Identifiers

PMID14749651
OpenAlexW1971205210

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.