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Background: Therapeutic hypothermia was introduced in the Netherlands and Flanders, Belgium, in 2008. Since then, an increasing number of patients has been treated - up to 166 in 2010. Complications and outcome were registered in an online database. Objectives: The aim of this study was to analyse complications and outcome after implementation. Methods: Data were retrieved from an online database to which all centres had contributed. Results: In 3 years, 332 patients were treated. Excluding 24 patients with congenital abnormalities or metabolic disorders, mortality was 31.8%. Of the 210 survivors without congenital malformations, 21 had cerebral palsy, another 19 a developmental delay of more than 3 months at the age of at least 24 months, and 2 had severe hearing loss. The total adverse outcome, combining death and adverse neurodevelopment, in 308 patients without congenital malformations is 45.5%, which is similar to that of the large trials. Conclusions: The introduction of therapeutic hypothermia for neonates with perinatal asphyxia in the Netherlands and Flanders has been rapid and successful, with results similar to findings in the randomised controlled trials.

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To assess the extent of central nervous system involvement, MRI is recommended in the clinical evaluation of infants with incontinentia pigmenti. They have a characteristic pattern of brain lesions seen on MRI, best recognized using DWI and SWI in the acute neonatal phase, which allow the identification of and distinction between ischaemic and haemorrhagic lesions.

Whether or not cranial ultrasound (crUS) and cerebral magnetic resonance imaging (MRI) have both a place in the assessment of children with congenital cytomegalovirus infection (cCMV) remains a topic of discussion between research groups. Literature suggests that MRI is indicated only in children with abnormal crUS. In Flanders, Belgium, combined crUS and MRI was performed on 639 children with cCMV, referred for diagnostic assessment. Cranial US was classified as abnormal in the presence of striatal vasculopathy, calcifications, cysts, cystic germinolysis, and/or ventriculomegaly. MRI findings were classified as abnormal in the presence of gyration disorders, cerebellar abnormalities, ventriculomegaly, cysts, or pathologic white matter lesions. One in five children (93/480) with normal crUS showed abnormal findings on MRI. Of them, 85 (91.4%) were classified as symptomatic. In 37 of those 93 children (39.8%), classification as severely symptomatic was made based on MRI lesions alone. MRI and crUS proved to be complementary in the assessment of CNS involvement in children with cCMV. Long-term studies are needed to evaluate the importance of this finding with respect to outcome and benefit of therapy in this particular subgroup of patients with cCMV infection.Conclusion: Our findings support an enhanced role of MRI in the diagnosis of CNS involvement in children with cCMV infection. The ideal assessment should include both imaging techniques, as the strengths of each test compensate for the other's weaknesses. What is Known:• Congenital CMV infection involves the central nervous system with direct injury to and possible disruption of brain development.• Experts suggest that MRI is indicated only in children with abnormal crUS. What is New:• In almost 20% of our children with a normal cranial ultrasound, abnormalities were detected on MRI.• Our results suggest that performing both MRI and cranial US is important to obtain a complete assessment of central nervous system involvement in children with cCMV.

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This study estimated ASD prevalence in a cohort of 3-year-old very preterm children (N=55) and investigated the usefulness of parent-reported ASD screeners and the ADOS-2. 12.7% received an ASD diagnosis by clinical judgment based on DSM-5 criteria. An additional 14.5% were classified as having a broader-autism-phenotype outcome. Sensitivity values for the screeners were poor, whereas specificity values ranged from poor to excellent. The ADOS-2 identified all children with ASD and had a fair specificity. These findings confirm the elevated ASD prevalence made by previous studies with preterm children but also highlight the challenges of successfully identifying ASD in this at-risk group. Caution is warranted when interpreting results of ASD instruments with the currently available cut-off scores and algorithms, especially when developmental challenges are present.