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Summary: This paper describes the longitudinal change in sleep, functional, and behavioural characteristics in a cohort of children with Down syndrome, including the effect of sleep interventions in a subset. A prospective longitudinal cohort study was undertaken in children with Down syndrome aged 3–16 years comparing (1) children referred to a tertiary sleep medicine clinic who received sleep hygiene advice and an additional sleep treatment (DSref_I) with (2) children attending the same clinic who only received sleep hygiene advice (DSref_N) and (3) children recruited from the community who, were not receiving any treatment (DScomm). Data collected included demographic and medical history information, Child Sleep Habits Questionnaire‐Abbreviated (CSHQ‐A), Life‐Habits Questionnaire (Life‐H) and Child Behaviour Checklist (CBCL) at baseline and then 6‐monthly for a total of 18 months. Any sleep interventions during this time were recorded. A total of 57 children were included (DSref_I, n = 16; DSref_N, n = 25; DScomm, n = 16). At recruitment, the median CSHQ‐A total score was high (>41) in all three subgroups, but highest in the DSref_I subgroup (median [interquartile range] Dsref_I score 58 [53–66] versus DSref_N score 49 [43–53], p = 0.019). Although improved, 80% of participants in the DSref_I subgroup still had a CSHQ‐A total score >41 at the last assessment point. The median total Life‐H and total CBCL scores were not significantly different between groups at baseline and there was no significant time, group, or interaction effect seen through the study. Over an 18‐month period, sleep problems were seen to persist in children with Down syndrome. Treatment resulted in only modest improvements in sleep. [ABSTRACT FROM AUTHOR]

Sleep disorders are prevalent in children with Down Syndrome (DS). However, sleep treatment is not always readily accessed by this group. This study aims to understand families' experiences of having a child with DS and sleep difficulties, and in particular, their healthcare experiences, with the goal of informing practice improvements. We conducted semi-structured interviews with 34 parents (fathers n = 4 and mothers n = 30) with open-ended questions about parents' experiences of sleep, family dynamics, and healthcare. We operationalized a reflexive Thematic Analysis. Parents normalized their experiences of having a child with DS and sleep problems. Parents acknowledged that sleep disruption has adverse and pervasive impacts on their wellbeing and family dynamics, but also found this difficult to identify as a health problem. They accepted sleep difficulties as a regular part of bringing up any child, particularly one with a disability. When they did seek treatment for their child's sleep difficulties, parents often reported encountering insensitive and inadequate care and described that, at times, healthcare professionals also normalized children's sleep difficulties, resulting in sub-optimal treatment. This included at times failure to refer to tertiary sleep medicine services when required. Parents' and healthcare professionals' normalization of sleeping difficulties denies that they are both deleterious and modifiable. Practice implications include raising healthcare professionals' awareness of the importance of proactively addressing sleep, with sensitivity to families' normalization strategies, recognizing that families may require prompting to report concerns. [ABSTRACT FROM AUTHOR]

The goal of this position paper on ventilatory support at home for children is to provide expert consensus from Australia and New Zealand on optimal care for children requiring ventilatory support at home, both non-invasive and invasive. It was compiled by members of the Thoracic Society of Australia and New Zealand (TSANZ) and the Australasian Sleep Association (ASA). This document provides recommendations to support the development of improved services for Australian and New Zealand children who require long-term ventilatory support. Issues relevant to providers of equipment and areas of research need are highlighted. [ABSTRACT FROM AUTHOR]

Study Objectives: Diagnostic polysomnography (PSG) is the gold standard test to evaluate sleep-disordered breathing in children. Little is known about how children with neurodevelopmental disorders (NDD) tolerate electrodes and sensors in PSG compared to neurotypical children., Methods: In this retrospective cohort study of children > 12 months of age who underwent diagnostic PSG at our center from 01/01/2021-30/06/2021, we used sleep technician and physician reports to determine how PSG was tolerated in children with NDD compared to neurotypical children. Subanalyses included tolerance of individual electrodes and sensors and subgroups of NDD (eg, Trisomy 21)., Results: A total of 132 children with a NDD and 139 neurotypical children underwent diagnostic PSG. The median age of all children was 8 years, 39% were female, and 50% had a sleep disorder identified on PSG, with no significant differences between NDD and neurotypical groups. The most poorly tolerated sensors for all children were the nasal prongs (poorly tolerated in 30% of all children), followed by thermistor (14%) and electroencephalography electrodes (6%). Children with NDD were > 3 times more likely (odds ratio 3.1, 95% confidence interval 1.8-5.3) to experience problems tolerating any study leads than neurotypical children. Subgroup analysis revealed children with Trisomy 21 had the greatest difficulty tolerating PSG set-up and leads., Conclusions: This retrospective study demonstrates that children with neurodevelopmental disorders are less likely to tolerate PSG monitoring than neurotypical children and highlights the need to develop alternative measures for evaluation of sleep disorders in this population., Citation: Lanzlinger D, Kevat A, Collaro A, Poh SH, Pérez WP, Chawla J. Tolerance of polysomnography in children with neurodevelopmental disorders compared to neurotypical peers. J Clin Sleep Med . 2023;19(9):1625-1631., (© 2023 American Academy of Sleep Medicine.)

Functional brain age measures in children, derived from the electroencephalogram (EEG), offer direct and objective measures in assessing neurodevelopmental status. Here we explored the effectiveness of 32 preselected 'handcrafted' EEG features in predicting brain age in children. These features were benchmarked against a large library of highly comparative multivariate time series features (>7000 features). Results showed that age predictors based on handcrafted EEG features consistently outperformed a generic set of time series features. These findings suggest that optimization of brain age estimation in children benefits from careful preselection of EEG features that are related to age and neurodevelopmental trajectory. This approach shows potential for clinical translation in the future.Clinical Relevance-Handcrafted EEG features provide an accurate functional neurodevelopmental biomarker that tracks brain function maturity in children.