Pubmed du 27/12/19

vendredi 27 décembre 2019

1. Case L, Ross S, Yun J. Physical activity guideline compliance among a national sample of children with various developmental disabilities. Disabil Health J ;2019 (Dec 19):100881.

BACKGROUND : Researchers have reported relatively low estimates of physical activity among children with various developmental disabilities. However, there are inconsistencies within these reports due to methodological issues. OBJECTIVE : The goals of this study were to estimate the prevalence of meeting national physical activity guidelines among children with various developmental disabilities and examine the relative influence of different disability descriptors on meeting the guidelines. METHODS : A sample of 3,010 U.S. children between the ages of 6 and 17 years with parent-reported diagnoses of autism spectrum disorder, cerebral palsy, Down syndrome, developmental disability, and/or intellectual disability was drawn from the combined 2016 and 2017 datasets of the National Survey of Children’s Health. Multivariate logistic regression analyses explored the unique contributions of multiple child characteristics and disability descriptors, such as diagnosis type, severity, complexity, and functionality, toward meeting physical activity guidelines and compared the likelihood of meeting guidelines between children with these diagnoses. RESULTS : The results of this study reveal that the majority of children with developmental disabilities are not achieving adequate levels of daily physical activity, with only 19% of the study sample engaging in 60 min of physical activity daily. Child age and functionality were significant predictors of meeting physical activity guidelines among children within the sample. CONCLUSIONS : The findings of this study highlight the potentially limiting view of physical activity participation when diagnosis type is considered alone and demonstrate the importance of considering function and other individual factors as significant predictors of physical activity among children with disabilities.

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2. Cremone-Caira A, Vaidyanathan A, Hyatt D, Gilbert R, Clarkson T, Faja S. Test-retest reliability of the N2 event-related potential in school-aged children with autism spectrum disorder (ASD). Clin Neurophysiol ;2019 (Nov 25) ;131(2):406-413.

OBJECTIVE : The N2 ERP component is used as a biomeasure of executive function in children with autism spectrum disorder (ASD). The aim of the current study was to evaluate the test-retest reliability of N2 amplitude in this population. METHODS : ERPs were recorded from 7 to 11-year-old children with ASD during Flanker (n = 21) and Go/Nogo tasks (n = 14) administered at two time points separated by approximately three months. Reliability of the N2 component was examined using intraclass correlation coefficients (ICCs). RESULTS : Reliability for mean N2 amplitude obtained during the Flanker task was moderate (congruent : ICC = 0.542, 95% CI [0.173, 0.782] ; incongruent : ICC = 0.629, 95% CI [0.276, 0.831]). Similarly, reliability for the Go/Nogo task ranged from moderate to good (’go’ : ICC = 0.817, 95% CI [0.535, 0.937] ; ’nogo’ : ICC = 0.578, 95% CI [0.075, 0.843]). CONCLUSIONS : These findings support the use of N2 amplitude as a biomeasure of executive function in school-aged children with ASD. SIGNIFICANCE : This research addresses a critical gap in clinical neurophysiology, as an understanding of the stability and reliability of the N2 component is needed in order to differentiate variance explained by repeated measurement versus targeted treatments and interventions.

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3. Erickson SR, Kamdar N, Wu CH. Adverse Medication Events Related to Hospitalization in the United States : A Comparison Between Adults With Intellectual and Developmental Disabilities and Those Without. Am J Intellect Dev Disabil ;2020 (Jan) ;125(1):37-48.

This study examined the proportion of hospitalizations associated with adverse medication events (AMEs) for adults with intellectual and developmental disabilities (IDD) and adults from the general population in the United States using the 2013 National Inpatient Sample (NIS) dataset of the Healthcare Cost and Utilization Project (HCUP). Adults with IDD had greater odds of having a hospitalization associated with an AME than the general adult population. Unadjusted odds ratios (95% CI) for hospitalization due to any medication for IDD was 2.47 (2.31-2.65). In the multivariate logistic regression model, IDD was significantly associated, with an odds ratio of 1.28 (1.19-1.38). Adults who have IDD are at greater risk of having a hospital admission due to an AME.

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4. Hsieh K, Scott HM, Murthy S. Associated Risk Factors for Depression and Anxiety in Adults With Intellectual and Developmental Disabilities : Five-Year Follow Up. Am J Intellect Dev Disabil ;2020 (Jan) ;125(1):49-63.

A better understanding of the factors associated with depression and anxiety in people with intellectual and developmental disabilities (IDD) is needed to provide guidelines for service providers, clinicians, and researchers as well as to improve the diagnostic process. The current study used a longitudinal dataset to explore demographic, health, and psychosocial risk factors of anxiety and depression in adults with IDD. Women were more likely to have depression while older adults, people with autism, and people with hearing impairments, were more likely to have anxiety. Chronic health conditions were associated with both anxiety and depression, while changes in stressful life events were associated with an increased risk of anxiety. Clinical and research contributions are discussed.

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5. Karhu E, Zukerman R, Eshraghi RS, Mittal J, Deth RC, Castejon AM, Trivedi M, Mittal R, Eshraghi AA. Nutritional interventions for autism spectrum disorder. Nutr Rev ;2019 (Dec 26)

Autism spectrum disorder (ASD) is an increasingly prevalent neurodevelopmental disorder with considerable clinical heterogeneity. With no cure for the disorder, treatments commonly center around speech and behavioral therapies to improve the characteristic social, behavioral, and communicative symptoms of ASD. Gastrointestinal disturbances are commonly encountered comorbidities that are thought to be not only another symptom of ASD but to also play an active role in modulating the expression of social and behavioral symptoms. Therefore, nutritional interventions are used by a majority of those with ASD both with and without clinical supervision to alleviate gastrointestinal and behavioral symptoms. Despite a considerable interest in dietary interventions, no consensus exists regarding optimal nutritional therapy. Thus, patients and physicians are left to choose from a myriad of dietary protocols. This review, summarizes the state of the current clinical and experimental literature on nutritional interventions for ASD, including gluten-free and casein-free, ketogenic, and specific carbohydrate diets, as well as probiotics, polyunsaturated fatty acids, and dietary supplements (vitamins A, C, B6, and B12 ; magnesium and folate).

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6. McAuliffe D, Zhao Y, Pillai AS, Ament K, Adamek J, Caffo BS, Mostofsky SH, Ewen JB. Learning of skilled movements via imitation in ASD. Autism Res ;2019 (Dec 26)

Autism spectrum disorder (ASD) consists of altered performance of a range of skills, including social/communicative and motor skills. It is unclear whether this altered performance results from atypical acquisition or learning of the skills or from atypical "online" performance of the skills. Atypicalities of skilled actions that require both motor and cognitive resources, such as abnormal gesturing, are highly prevalent in ASD and are easier to study in a laboratory context than are social/communicative skills. Imitation has long been known to be impaired in ASD ; because learning via imitation is a prime method by which humans acquire skills, we tested the hypothesis that children with ASD show alterations in learning novel gestures via imitation. Eighteen participants with ASD and IQ > 80, ages 8-12.9 years, and 19 typically developing peers performed a task in which they watched a video of a model performing a novel, meaningless arm/hand gesture and copied the gesture. Each gesture video/copy sequence was repeated 4-6 times. Eight gestures were analyzed. Examination of learning trajectories revealed that while children with ASD made nearly as much progress in learning from repetition 1 to repetition 4, the shape of the learning curves differed. Causal modeling demonstrated the shape of the learning curve influenced both the performance of overlearned gestures and autism severity, suggesting that it is in the index of learning mechanisms relevant both to motor skills and to autism core features. Autism Res 2019. (c) 2019 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY : Imitation is a route by which humans learn a wide range of skills, naturally and in therapies. Imitation is known to be altered in autism spectrum disorder (ASD), but learning via imitation has not been rigorously examined. We found that the shape of the learning curve is altered in ASD, in a way that has a significant impact both on measures of autism severity and of other motor skills.

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7. Pavlopoulou G, Dimitriou D. In their own words, in their own photos : Adolescent females’ siblinghood experiences, needs and perspectives growing up with a preverbal autistic brother or sister. Res Dev Disabil ;2019 (Dec 23) ;97:103556.

Thus far very little research has focused on siblings in early adolescent years growing up with an autistic sibling. Adopting a community-based participatory research (CBPR) approach, 11 typically developing sisters actively collaborated in the study to collect and analyse data as well as disseminate their experiences, needs and perspectives in their local communities. This is the first study to use a modified Photovoice methodology which provided typically developing sisters an active participatory role. The results highlighted the feelings, needs and thoughts the sisters expressed in their role as siblings, friends, but also as students and citizens with a passion for advocacy, and limited support in the community due to unhelpful attitudes of members of their community towards autism. The findings indicated that the current method used can successfully co-generate research findings with family members by ensuring pathways for engaging local community. This is crucial in shifting the balance between vulnerability and resilience in families raising an autistic child. Furthermore, when knowledge about the lived experience is drawn directly from the perspective of the actual people (siblings) involved in the phenomenon (siblinghood and autism), a more appropriate, responsive and need-fulfilling strategy of supportive and proactive support systems can be initiated.

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8. Son E, Magana S, Pedraza FDM, Parish SL. Providers’ Guidance to Parents and Service Use for Latino Children With Developmental Disabilities. Am J Intellect Dev Disabil ;2020 (Jan) ;125(1):64-75.

To better understand disparities between Latino and White children with autism or other developmental disabilities (ASD/DD), we examined whether Latino ethnicity predicted the number of specialty care services received by children with severe functional limitations depending on medical providers’ responses to parents’ initial concerns about their child’s development. Through linkage of the Pathways and NS-CSHCN datasets, we found ethnic disparities in the receipt of specialty services associated with providers’ responsiveness to parent-reported concerns among children with ASD/DD. Among children with significant functional limitations, Latino children whose parents received passive/reassuring responses from their providers were less likely to receive specialty services than White children with ASD/DD. Providers’ guidance to parents may be a promising point of intervention for future disparity reduction efforts.

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