Evidence map›Paper›PMID 29318622›Full record

ArticleAllergy2018

Fish oil in infancy protects against food allergy in Iceland-Results from a birth cohort study.

M Clausen, K Jonasson, T Keil, K Beyer, S T Sigurdardottir

Open access · hybridAbstract read
In one paragraph

Article in Allergy, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 2 pooled it
2.8field-weighted citation impact, top 11% 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

21 citing papers in PubMed, 2 syntheses or guidelines pooled it, 42 citations in OpenAlex.

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  14. Observational
  15. Allergenicity and Stability of 6 New Korean Bony Fish Extracts.Allergy, asthma & immunology research · 2021
    Article
  16. Review
  17. Article
  18. Article
  19. Nutritional Issues in Food Allergy.Clinical reviews in allergy & immunology · 2019
    Review
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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 at 4 institutions in 2 countries.

M ClausenChildren's Hospital, Landspitali University Hospital, Reykjavik, Iceland.
K JonassonSchool of Engineering and Natural Sciences, University of Iceland, Reykjavík, Iceland.
T KeilInstitute of Social Medicine, Epidemiology and Health Economics, Charité - Universitätsmedizin Berlin, Berlin, Germany.
K BeyerDepartment of Paediatric Pneumology and Immunology, Charité - Universitätsmedizin Berlin, Berlin, Germany.
S T SigurdardottirDepartment of Immunology, Landspitali University Hospital, Reykjavik, Iceland.ORCID 0000-0002-6275-0910
Charité - Universitätsmedizin Berlin · DENational University Hospital of Iceland · ISReykjavík University · ISUniversity of Iceland · IS

Funding

Biotechnology and Biological Sciences Research Council BBS/E/F/00041800
6 · The paper itself

Abstract

backgroundConsumption of oily fish or fish oil during pregnancy, lactation and infancy has been linked to a reduction in the development of allergic diseases in childhood.

methodsIn an observational study, Icelandic children (n = 1304) were prospectively followed from birth to 2.5 years with detailed questionnaires administered at birth and at 1 and 2 years of age, including questions about fish oil supplementation. Children with suspected food allergy were invited for physical examinations, allergic sensitization tests, and a double-blind, placebo-controlled food challenge if the allergy testing or clinical history indicated food allergy. The study investigated the development of sensitization to food and confirmed food allergy according to age and frequency of postnatal fish oil supplementation using proportional hazards modelling.

resultsThe incidence of diagnosed food sensitization was significantly lower in children who received regular fish oil supplementation (relative risk: 0.51, 95% confidence interval: 0.32-0.82). The incidence of challenge-confirmed food allergy was also reduced, although not statistically significant (0.57, 0.30-1.12). Children who began to receive fish oil in their first half year of life were significantly more protected than those who began later (P = .045 for sensitization, P = .018 for allergy). Indicators of allergy severity decreased with increased fish oil consumption (P = .013). Adjusting for parent education and allergic family history did not change the results.

conclusionPostnatal fish oil consumption is associated with decreased food sensitization and food allergies in infants and may provide an intervention strategy for allergy prevention.

Indexed as

Dietary SupplementsCohort StudiesFemaleFish OilsFood HypersensitivityHumansIcelandImmunizationInfantInfant, NewbornLongitudinal StudiesMalePublic Health SurveillanceRisk FactorsFish Oilsallergy preventionEuroPrevallfish oilfood allergyinfants

Identifiers

PMID29318622
PMCPMC6032905
OpenAlexW2784088091

What OpenQuestion holds

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LicenceCC BY-NC
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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.