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. 2023 Nov;112(11):2387-2399.
doi: 10.1111/apa.16942. Epub 2023 Aug 27.

Neurobehavioral symptoms in children born extremely preterm: A Swedish National Study

Fredrik Serenius  1   2 , Ylva Fredriksson Kaul  1 , Karin Källén  3 , Maria Hafström  4   5 , Ulrika Ådén  6 , Karin Stjernqvist  7   8 , Aijaz Farooqi  2 ; EXPRESS Study Group
Affiliations

Neurobehavioral symptoms in children born extremely preterm: A Swedish National Study

Fredrik Serenius et al. Acta Paediatr. 2023 Nov.

Abstract

Aim: To determine the prevalence of neurobehavioral symptoms at 6.5 years in children born extremely preterm (EPT, <27 weeks' gestation).

Methods: Population-based cohort study of infants born EPT in Sweden from 2004 to 2007. Of 486 survivors 375 were assessed and compared with 369 matched term-born controls. EPT children free from neurosensory and intellectual disabilities (neurodevelopmental disabilities [NDD]-free, n = 236) were compared separately. Standardised questionnaires were used to assess parental ratings of hyperactivity and attention, emotional, peer-relation, conduct and social problems; and deficits in perception, language and memory.

Results: EPT children had more reported problems in all assessed neurobehavioral domains than controls, with more than three times greater odds for most outcomes. Except for conduct problems, increased problems were identified also in NDD-free children. The odds of having neurobehavioral problems in ≥3 co-occurring domains were five (whole EPT group) and three (NDD-free group) times higher than in controls.

Conclusion: EPT children with or without NDD have more neurobehavioral problems in multiple domains than term peers. Ongoing assessments of behaviour until school age or beyond should recognise early symptoms of attention, everyday social problems, perceptual, emotional or language difficulties.

Keywords: cohort study; development; language; mental health; perception.

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References

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