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Impaired cognitive ability at 2.5 years predicts later visual and ophthalmological problems in children born very preterm
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för neurovetenskap, Oftalmiatrik.
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för kvinnors och barns hälsa, Forskargrupper (Inst. för kvinnor och barns hälsa), Perinatal, neonatal och barnkardiologisk forskning.
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för kvinnors och barns hälsa, Forskargrupper (Inst. för kvinnor och barns hälsa), Perinatal, neonatal och barnkardiologisk forskning.
Uppsala universitet, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Samhällsvetenskapliga fakulteten, Institutionen för psykologi.
Vise andre og tillknytning
2018 (engelsk)Inngår i: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 107, nr 5, s. 822-830Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Aim: To identify possible predictive factors for visual problems at 6.5 years in children born very preterm.

Methods: During 2004–2007, all very preterm infants (gestational age [GA] <32 weeks) in Uppsala County, Sweden were screened for retinopathy of prematurity (ROP) neonatally; at four months, visual tracking was tested; at 2.5 years, visuospatial and cognitive tests were carried out. At 6.5 years, 84 preterm children and a reference group of 64 full‐term children underwent ophthalmological testing.

Results: Mean visual acuity (VA) did not differ between the groups, but subnormal VA (≤0.8) was more common in the preterm group (31% vs 14%; p < 0.05). More often than full‐term children, preterm children had impaired contrast sensitivity (<0.5) (36% vs 19%; p < 0.05) and strabismus (8% vs 0%; p < 0.05). Low GA, ROP, intraventricular haemorrhage 3‐4/periventricular leukomalacia and cognitive disability at 2.5 years predicted ophthalmological and visual problems at 6.5 years. Visual tracking ability at four months was not predictive of ophthalmological outcome.

Conclusion: Children born preterm had more ophthalmological problems at 6.5 years of age, including subtle dysfunctions. ROP, early brain injury and impaired cognitive function around 2.5 years predicted later ophthalmological dysfunctions.

sted, utgiver, år, opplag, sider
2018. Vol. 107, nr 5, s. 822-830
Emneord [en]
Cognition, Long term, Risk factor, Very preterm, Visual outcome
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-348648DOI: 10.1111/apa.14209ISI: 000430115100016PubMedID: 29288532OAI: oai:DiVA.org:uu-348648DiVA, id: diva2:1198095
Tilgjengelig fra: 2018-04-16 Laget: 2018-04-16 Sist oppdatert: 2018-06-19bibliografisk kontrollert

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