Evidence map›Paper›PMID 31238334›Full record

ReviewPediatric research2020

Intestinal dysbiosis and necrotizing enterocolitis: assessment for causality using Bradford Hill criteria.

Jennifer B Fundora, Pallabi Guha, Darla R Shores, Mohan Pammi, Akhil Maheshwari

Abstract readReview
In one paragraph

Review in Pediatric research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

35 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Trial
  3. Article
  4. The gut-lung axis in early life: microbiome-associated mechanisms and clinical relevance.European respiratory review : an official journal of the European Respiratory Society · 2026
    Review
  5. Review
  6. Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Mitigating Intestinal Dysbiosis in the Very Preterm Infant.Advances in nutrition (Bethesda, Md.) · 2024
    Article
  12. American journal of physiology. Gastrointestinal and liver physiology · 2024
    Article
  13. Review
  14. Review
  15. Article
  16. Review
  17. Nutrients · 2023
    Review
  18. Clinical and histopathological correlates of intestinal repair in preterm infants following surgical necrotizing enterocolitis.The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2022
    Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Jennifer B FundoraDepartment of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Pallabi GuhaDepartment of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Darla R ShoresDepartment of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Mohan PammiDepartment of Pediatrics, Baylor College of Medicine, Houston, TX, USA.
Akhil MaheshwariDepartment of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA. akhil@jhmi.edu.

Funding

Effect of Platelet Transfusions on Neonatal Intestinal InjuryR01HL133022 · NHLBI · UNIVERSITY OF SOUTH FLORIDA · PI KRISHNAN, MOHAN KUMAR · 2017 to 2020
$1.6M
Red Cell Transfusion-associated Necrotizing Enterocolitis in Premature InfantsR01HL124078 · NHLBI · UNIVERSITY OF SOUTH FLORIDA · PI KRISHNAN, MOHAN KUMAR · 2015 to 2018
$1.5M
NHLBI NIH HHS R01 HL124078NHLBI NIH HHS R01 HL133022
6 · The paper itself

Abstract

In recent years, several studies have shown that premature infants who develop NEC frequently display enteric dysbiosis with increased Gram-negative bacteria for several days to weeks prior to NEC onset. The importance of these findings, for the possibility of a causal role of these bacteria in NEC pathogenesis, and for potential value of gut dysbiosis as a biomarker of NEC, is well-recognized. In this review, we present current evidence supporting the association between NEC in premature infants and enteric dysbiosis, and its evaluation using the Bradford Hill criteria for causality. To provide an objective appraisal, we developed a novel scoring system for causal inference. Despite important methodological and statistical limitations, there is support for the association from several large studies and a meta-analysis. The association draws strength from strong biological plausibility of a role of Gram-negative bacteria in NEC and from evidence for temporality, that dysbiosis may antedate NEC onset. The weakness of the association is in the low level of consistency across studies, and the lack of specificity of effect. There is a need for an improved definition of dysbiosis, either based on a critical threshold of relative abundances or at higher levels of taxonomic resolution.

Indexed as

DysbiosisGastrointestinal MicrobiomeInfant, PrematureEnterocolitis, NecrotizingGestational AgeHumansInfant, NewbornIntestinesRisk AssessmentRisk Factors

Identifiers

PMID31238334
PMCPMC7224339

What OpenQuestion holds

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LicenceTDM
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.