Evidence map›Paper›PMID 26346609›Full record

ArticleJournal of translational medicine2015

Assessment of ten trace elements in umbilical cord blood and maternal blood: association with birth weight.

Lorena Bermúdez, Consuelo García-Vicent, Jorge López, Maria Isabel Torró, Empar Lurbe

Open access · goldAbstract read
In one paragraph

Article in Journal of translational medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed, 1 pooled it
10.9field-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

42 citing papers in PubMed, 1 synthesis or guideline pooled it, 88 citations in OpenAlex.

  1. Pooled it
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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 3 institutions in 1 country.

Lorena BermúdezDepartment of Pediatrics, Consorcio Hospital General, University of Valencia, Avda. Tres Cruces s/n, 46014, Valencia, Spain. bermudezlorena@hotmail.com.
Consuelo García-VicentDepartment of Pediatrics, Consorcio Hospital General, University of Valencia, Avda. Tres Cruces s/n, 46014, Valencia, Spain. jec_jec_@hotmail.com.
Jorge LópezDepartment of Pediatrics, Consorcio Hospital General, University of Valencia, Avda. Tres Cruces s/n, 46014, Valencia, Spain. jorlopez83@gmail.com.
Maria Isabel TorróDepartment of Pediatrics, Consorcio Hospital General, University of Valencia, Avda. Tres Cruces s/n, 46014, Valencia, Spain. matodo6@gmail.com.
Empar LurbeDepartment of Pediatrics, Consorcio Hospital General, University of Valencia, Avda. Tres Cruces s/n, 46014, Valencia, Spain. empar.lurbe@uv.es.
Hospital General Universitario De Valencia · ESInstituto de Salud Carlos III · ESInstituto de Investigación de Enfermedades Raras · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTrace elements are an essential nutritional component for humans and inadequate tissue-concentrations may have a significant effect on fetal size.

objectiveTo measure ten trace elements in blood samples from mothers and their newborns, and assess their association with anthropometric characteristics at birth. The effects of other factors on fetal growth, such as biologic characteristics of the infant and mother, were analysed.

methodsA cross-sectional study was conducted in the Hospital general, University of Valencia, Spain. Healthy pregnant women, and their full-term infants were selected (n = 54 paired samples). Infants were grouped according to birth weight: small for gestational age (SGA n = 11), appropriate (AGA n = 30), and large (LGA n = 13). Anthropometric and biologic characteristics of the infant and mother were recorded. Levels of ten essential elements: arsenic (As), barium (Ba), cobalt (Co), copper (Cu), chrome (Cr), iron (Fe), magnesium (Mg), manganese (Mn), selenium (Se) and zinc (Zn), in maternal and cord plasma samples were determined. Samples were obtained from the umbilical cord immediately after delivery and the samples of their mothers were drawn at 2-4 h after delivery.

resultsThe analysis identified that cord blood Cu (p = 0.017) and maternal blood Ba and Mg (p = 0.027 and p = 0.002, respectively) concentrations were significantly higher among SGA infants compared to AGA and LGA infants. A multiple linear regression analysis showed that increased umbilical cord Cu concentration (adjusted β -146.4 g, 95% CI -255 to -37.7; p = 0.009), maternal smoking during pregnancy (adjusted β -483.8 g, 95% CI -811.7 to -155.9; p = 0.005), shorter gestational age (adjusted β 350.1 g, 95% CI 244.5 to 455.8; p = 0.000), and female sex (adjusted β -374 g, 95% CI -648 to -100; p = 0.009) were significantly associated with decreased birth weight. Maternal anaemia was positively associated with birth weight (adjusted β 362 g, 95% CI 20.8 to 703.1; p = 0.038). No significant associations were found between maternal trace elements and birth weight in multivariate analysis.

conclusionsWe did not observe significant associations of cord blood trace elements other than Cu and maternal trace elements with birth weight in the multivariate analyses.

Indexed as

Birth WeightAdultAnthropometryCopperCross-Sectional StudiesFemaleFetal BloodHumansInfant, NewbornMothersMultivariate AnalysisPregnancyRegression AnalysisTrace ElementsCopperTrace Elements

Identifiers

PMID26346609
PMCPMC4562355
OpenAlexW1953259701

What OpenQuestion holds

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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.