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Neuro-developmental outcome of a large cohort of growth discordant twins

Overview of attention for article published in European Journal of Pediatrics, October 2015
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  • Good Attention Score compared to outputs of the same age (73rd percentile)
  • High Attention Score compared to outputs of the same age and source (82nd percentile)

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Title
Neuro-developmental outcome of a large cohort of growth discordant twins
Published in
European Journal of Pediatrics, October 2015
DOI 10.1007/s00431-015-2648-8
Pubmed ID
Authors

Cecilie Halling, Fergal D. Malone, Fionnuala M. Breathnach, Moira C. Stewart, Fionnuala M. McAuliffe, John J. Morrison, Patrick Dicker, Fiona Manning, John David Corcoran, on behalf of Perinatal Ireland Research Consortium

Abstract

Our aims were to study the effect of birthweight growth discordance (≥20 %) on neuro-developmental outcome of monochorionic and dichorionic twins and to compare the relative effects of foetal growth discordance and prematurity on cognitive outcome. We performed a cross-sectional multicentre prospective follow-up study from a cohort of 948 twin pregnancies. One hundred nineteen birthweight-discordant twin pairs were examined (24 monochorionic pairs) and were matched for gestational age at delivery with 111 concordant control pairs. Participants were assessed with the Bayley Scales between 24 and 42 months of age. Analysis was by paired t test for intra-twin pair differences and by multiple linear regression. Compared to the larger twin of a discordant pair, the smaller twin performed significantly worse in cognition (mean composite cognitive score difference = -1.7, 95 % confidence interval (CI) = 0.3-3.1, p = 0.01) and also in language and motor skills. Prematurity prior to 33 weeks' gestation, however, had a far greater impact on cognitive outcomes (mean cognitive composite score difference = -5.8, 95 % CI = 1.2-10.5, p = 0.008). Birthweight growth discordance of ≥20 % confers an independent adverse effect on long-term neuro-development of the smaller twin. However, prior to 33 weeks' gestation, gestational age at birth adversely affects cognitive development to a greater extent than foetal growth discordance. What is known: • Growth discordance is a common problem encountered in monochorionic and dichorionic twin pregnancies. • Previous studies have demonstrated adverse developmental outcomes in one or two areas of development. What is new: • Growth discordance has a negative impact on all three areas of development: cognition, language and motor skills. • The current study is amongst the first to compare the impact of growth discordance and prematurity on cognitive outcomes.

X Demographics

X Demographics

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 84 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 84 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 13 15%
Student > Master 11 13%
Researcher 10 12%
Student > Ph. D. Student 8 10%
Student > Doctoral Student 7 8%
Other 14 17%
Unknown 21 25%
Readers by discipline Count As %
Medicine and Dentistry 25 30%
Psychology 12 14%
Nursing and Health Professions 7 8%
Agricultural and Biological Sciences 3 4%
Sports and Recreations 3 4%
Other 8 10%
Unknown 26 31%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 5. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 02 September 2019.
All research outputs
#6,044,719
of 23,321,213 outputs
Outputs from European Journal of Pediatrics
#1,182
of 3,835 outputs
Outputs of similar age
#73,771
of 284,487 outputs
Outputs of similar age from European Journal of Pediatrics
#8
of 40 outputs
Altmetric has tracked 23,321,213 research outputs across all sources so far. This one has received more attention than most of these and is in the 73rd percentile.
So far Altmetric has tracked 3,835 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.8. This one has gotten more attention than average, scoring higher than 68% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 284,487 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 73% of its contemporaries.
We're also able to compare this research output to 40 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 82% of its contemporaries.