Pubmed du 10/09/19

mardi 10 septembre 2019

1. Abdullahi I, Wong K, de Klerk N, Mutch R, Glasson EJ, Downs J, Cherian S, Leonard H. Hospital admissions in children with developmental disabilities from ethnic minority backgrounds. Dev Med Child Neurol ;2019 (Sep 9)

AIM : To compare hospital admission patterns after the first year of life in Australian children with developmental disabilities and children with no known disability, according to maternal country of birth and Indigenous status. METHOD : This was a retrospective cohort study using linked data across health, disability, and hospital admission databases. The study investigated 656 174 children born in Western Australia between 1983 and 2008 with a total of 1 091 834 records of hospital admissions. RESULTS : Children with no known disability born to Indigenous mothers had the highest rate of hospital admissions compared to children of non-Indigenous mothers. Children of foreign-born mothers from low-income countries had the highest rate of hospital admissions if disability was present. Children with cerebral palsy (CP) with or without associated intellectual disability had the highest rate of hospital admissions among children with developmental disability, especially if mothers were foreign-born. INTERPRETATION : Children with CP and intellectual disability, particularly from minority backgrounds (Indigenous Australian and foreign-born mothers), were at higher risk of being admitted to hospital after the first year of life. WHAT THIS PAPER ADDS : Hospital admissions in Australian children with and without disabilities differ according to maternal country of birth. Hospital admission rates in children without a developmental disability were greatest for Australian-born Indigenous children. Disabled Australian-born children of foreign-born mothers from low-income countries had the highest hospital admission rates. Hospital admission risk was greatest for Australian-born children with cerebral palsy, especially if mothers were foreign-born.

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2. Ahuja AS. The Potential for Machine Learning-Based Wearables to Improve Socialization in Teenagers and Adults With Autism Spectrum Disorder. JAMA Pediatr ;2019 (Sep 9)

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3. Corsano P, Cinotti M, Guidotti L. Paediatric nurses’ knowledge and experience of autism spectrum disorders : An Italian survey. J Child Health Care ;2019 (Sep 8):1367493519875339.

Hospitalization of children with autism spectrum disorders (ASDs) is a challenge for paediatric nurses. The literature reveals a lack of knowledge among the clinical and behavioural characteristics of autism. The aim of the study is to investigate the knowledge of paediatric nurses about ASDs and their experience with children with ASD. Ninety-three nurses completed Knowledge About Childhood Autism Among Healthcare Workers questionnaire, a sociodemographic questionnaire and an open-ended questionnaire to evaluate the experience of nurses. Findings showed that nurses have a basic knowledge of ASD, except for comorbidity and onset of the ASD, in which they obtained lower scores. Older nurses and those who had more experience in a paediatric ward or with children with ASD showed higher scores. Analysis of the content of open-ended questionnaire showed that nurses have difficulties in managing the relationship with children with ASD, and that they wonder about how to improve it, seeking useful strategies for this purpose. During interactions, nurses experience mixed feelings such as sadness, suffering, uneasiness, inadequacy, displeasure, embarrassment and tenderness. They declare the need for more knowledge about ASD. They would like to improve their own capacity for interactions with these children, also through training.

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4. Crawley JN, Fagiolini M, Harrison FE, Samaco R, Wozniak DF, Robinson MB. Behavioral Analyses of Animal Models of Intellectual and Developmental Disabilities. Neurobiol Learn Mem ;2019 (Sep 6):107087.

Intellectual and developmental disabilities (IDDs) are a common group of disorders that frequently share overlapping symptoms, including cognitive deficits, altered attention, seizures, impaired social interactions, and anxiety. The causes of these disorders are varied ranging from early prenatal/postnatal insults to genetic variants that either cause or are associated with an increased likelihood of an IDD. As many of the symptoms observed in individuals with IDDs are a manifestation of altered nervous system function resulting in altered behaviors, it should not be surprising that the field is very dependent upon in vivo model systems. This special issue of Neurobiology of Learning and Memory is focused on the methods and approaches that are being used to model and understand these disorders in mammals. While surveys by the Pew Foundation continue to find a high degree of confidence/trust in scientists by the public, several recent studies have documented issues with reproducibility in scientific publications. This special issue includes both primary research articles and review articles in which careful attention has been made to transparently report methods and use rigorous approaches to ensure reproducibility. Although there have been and will continue to be remarkable advances for treatment of subset of IDDs, it is clear that this field is still in its early stages. There is no doubt that the strategies being used to model IDDs will continue to evolve. We hope this special issue will support this evolution so that we can maintain the trust of the public and elected officials, and continue developing evidence-based approaches to new therapeutics.

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5. Frigaux A, Evrard R, Lighezzolo-Alnot J. [ADI-R and ADOS and the differential diagnosis of autism spectrum disorders : Interests, limits and openings]. Encephale ;2019 (Sep 5)

INTRODUCTION : Current developments in international public health are leading qualified authorities to release clinical practice guidelines for Autism Spectrum Disorders (ASD) assessment and diagnosis. Such documents incorporate procedures that rely on the Autism Diagnostic Interview-Revised (ADI-R) and the Autism Diagnostic Observation Schedule (ADOS) which are considered to be the "gold standard" assessment measures in the evaluation of ASD. Although these tools do prove their effectiveness in the evaluation of autistic symptomatology, they nevertheless stumble whenever the situation becomes more complex and reveal differential diagnostic issues in infantile and adult autism cases. This differential diagnostic issue remains significant in the clinical practice of daily life and has strong implications for the course of therapeutic treatment. OBJECTIVES : Our objective is to underline and nuance the metrological qualities of the ADI-R and the ADOS in the differential diagnosis of autistic disorders by presenting a synthesis of recent studies, thus supporting the interest of maintaining an open debate on diagnostic practices. METHODS : Our selective review of the recent literature focuses on studies that confront the ADI-R and the ADOS - used either independently or in a combination - with various differential issues in adulthood and childhood autism in order to highlight their qualities and limits. RESULTS : The ADI-R is a semi-structured interview applied by trained examiners and applied to relatives and/or caregivers who collect developmental information about the patient’s first years of life on a variety of behaviors and skills. It is therefore relatively dependent on the availability and personal bias of the interviewed third parties. Metric features highlighted by the reviewed studies straightforwardly reveal a certain effectiveness of the tool and a good discrimination of childhood disorders. At the same time, the tool’s discriminatory capacity seems insufficient when applied to toddlers, very young children, and adults alike. The latter seems particularly true when it comes to differentiating between autistic and schizophrenic spectrum disorders. The ADOS is a semi-structured standardized observation assessment tool that has experienced several successive developments, such as optimizations concerning the sensitivity of its cutoffs. Many works have contributed to building such a tool with reliable and solid metric qualities which nevertheless retain important biases such as the subjectivity of the caregiver or the evaluator during the scoring process. For assessments of autistic children the tool still has a good diagnostic validity but seems to retain cases of incorrect diagnosis of ASD (false positives). In other words, disorders or developmental disabilities of some children and adolescents could not be distinguished from ASD when relying on this test alone. The ADOS Module 4, designed for the diagnosis of adolescents and adults with fluent speech, has undergone less updating. This revisited algorithm has metrological qualities useful for clinicians and remains one of the few available tools for this population. Unfortunately, its diagnostic accuracy is lower when applied to women, the elderly, people with personality disorders or higher intellectual abilities, or for the discrimination between ASD and schizophrenia. Overall, scores from these two instruments bring strong evidence of their usefulness in the diagnostic process of ASD, provided that they are used with caution and a critical clinical perspective, and only as a secondary technical support. Their use in combination is effective since they are complementary and compensate for each other’s limitations. However, their globalized hegemony as "gold-standard" tools constitutes a setback insofar as it constrains the diagnosis of ASD to a set of stereotyped items. The latter in turn sets a normative model of autism that excludes other phenotypic forms, especially in the case of women and the elderly. Finally, the discrimination between autism and psychosis for children seems to remain an insoluble task even for the ADI-R/ADOS combination. CONCLUSIONS : The problematics of differential diagnosis remain critical for clinical approaches to autism. Therefore, formalizations of the diagnostic procedures must be able to remain open-minded and accompanied by a creative clinical approach, especially in the case of complex situations that are not soluble by means of conventional diagnostic tools. One possibility may lie in the deepening of the phenomenological approach to autism as an attempt to model the subjective phenomena of autistic subjects and thus operationalize elements that serve the diagnostic process. In the same way, a psychodynamic epistemology could help clinicians to go beyond the consideration of observable behaviors and scores, introducing a psychoanalytic point of view that interfaces objective behaviors with the individual’s dynamic intrapsychic functioning. This project could be articulated with projective methodologies - notably the Rorschach test - which respects the needs for standardization and quantification of conventionally used diagnostic tools.

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6. Montrenes JJ, Matson JL. How can pharmacotherapy impact the quality of life of individuals with high functioning autism ?. Expert Opin Pharmacother ;2019 (Sep 7):1-3.

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7. Redquest B, Ahmed S, Balogh R, Lunsky Y. Preventing and Treating Diabetes in Canadian Adults With Intellectual and Developmental Disabilities. Can J Diabetes ;2019 (Jun 7)

Despite emerging evidence that individuals with intellectual and developmental disabilities (IDD) have a high prevalence of diabetes, Canada does not have a strategy to address diabetes in this population. The aim of this review was to review effective health policies and practices to improve diabetes prevention and management developed by other jurisdictions in response to the high prevalence of diabetes among individuals with IDD. To do so, a narrative literature review was conducted based on 18 studies, in addition to 3 examples of resources, 2 systematic reviews, the Canadian diabetes guidelines, the UK diabetes guidelines and Kachika’s "NHS RightCare Pathway" report. Consistent with the "Diabetes 360 degrees : A Framework for a Diabetes Strategy for Canada" report, findings were summarized under 3 themes : 1) diabetes prevention and health promotion, 2) diabetes screening and 3) diabetes self-management. We also identified 2 additional areas that cut across all 3 of the themes : 1) diabetes health literacy and 2) role of carers in prevention, screening and treatment efforts. Our review identifies strategies to meet the unique needs of people with IDD who have diabetes, in order to encourage Canadian initiatives to address these needs.

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8. Reid SM, Westbury C, Guzys AT, Reddihough DS. Anticholinergic medications for reducing drooling in children with developmental disability. Dev Med Child Neurol ;2019 (Sep 8)

AIM : To determine : the effectiveness of three anticholinergic medications in reducing drooling in children with developmental disabilities (such as cerebral palsy, intellectual disability, and autism spectrum disorder), the frequency and nature of side effects, and their impact on treatment discontinuation. METHOD : After prescription of benzhexol hydrochloride, glycopyrrolate, or scopolamine patches at a tertiary saliva control clinic, all carers of 110 consecutive, eligible patients were recruited over a 5-year period. They provided data for 52 weeks, or until drug discontinuation, on compliance, drooling, adverse effects, and reasons for cessation. We evaluated and compared best drooling response, side effects, and drug cessation rates using survival analysis, and the effect of baseline variables on the discontinuation rate using proportional hazards regression. RESULTS : Among 110 participants (71 males, 39 females ; mean age 8y 5mo [SD 4y 3mo], range 1y 11mo-18y 11mo), benzhexol, glycopyrrolate, and scopolamine were prescribed 81, 62, and 17 times respectively, with respective response rates of 85%, 75%, and 65%. Poor head control and poor oromotor function were predictive of poor response. Side effects frequently prompted drug cessation in males more than females (hazard ratio 1.8 [95% confidence interval 1.0-3.2], p=0.048). Glycopyrrolate had the fewest side effects. INTERPRETATION : Benzhexol, glycopyrrolate, and scopolamine reduce drooling, but improvement is offset by adverse side effects. Overall, glycopyrrolate performs best. WHAT THIS PAPER ADDS : In drooling, glycopyrrolate produced the greatest improvement with fewer side effects compared with benzhexol and scopolamine. Poor head control and poor oromotor function were associated with poor response. Medication side effects were common and often led to treatment discontinuation. Behavioural issues instigated cessation of benzhexol more often in males than females.

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9. Rivell A, Mattson MP. Intergenerational Metabolic Syndrome and Neuronal Network Hyperexcitability in Autism. Trends Neurosci ;2019 (Sep 5)

We review evidence that suggests a role for excessive consumption of energy-dense foods, particularly fructose, and consequent obesity and insulin resistance (metabolic syndrome) in the recent increase in prevalence of autism spectrum disorders (ASD). Maternal insulin resistance, obesity, and diabetes may predispose offspring to ASD by mechanisms involving chronic activation of anabolic cellular pathways and a lack of metabolic switching to ketosis resulting in a deficit in GABAergic signaling and neuronal network hyperexcitability. Metabolic reprogramming by epigenetic DNA and chromatin modifications may contribute to alterations in gene expression that result in ASD. These mechanistic insights suggest that interventions that improve metabolic health such as intermittent fasting and exercise may ameliorate developmental neuronal network abnormalities and consequent behavioral manifestations in ASD.

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10. Vink R, Cillessen AHN, Hasselman F, Wijnants ML, Bosman AMT. Does popularity determine who leads in a dyadic cooperative task ? Subtle differences between children with and without developmental disabilities. Res Dev Disabil ;2019 (Sep 6) ;94:103455.

BACKGROUND : Popular indivuals are usually academically high achiveving and also often leaders. Children with developmental disabilities are usually not popular among their peers. In dyadic cooperative tasks, the popular member is often the leader, as shown by self-reports and observational research. It is unknown whether this macro-level behaviour is reflected in micro-level synchronisation patterns of the movements of dyads who are engaged in a cooperative task. AIMS : The goal of the present study was to investigate whether popularity differentially affected the leading-following behaviour of dyads consisting of children with and without developmental disabilities. METHODS AND PROCEDURES : Children with (n = 106) and without (n = 183) developmental disabilities performed a tangram puzzle task individually and cooperatively. While performing the task, they stood on a Nintendo Wii Balance Board that registered their postural sway. OUTCOMES AND RESULTS : Although we found some similarities between dyads with and without a developmental disability based on both popularity and task performance, the most striking difference occurred in low performing dyads. In those, dyads with a developmental disability had no clear leader or follower. CONCLUSION : Especially in dyads with developmental disabilities it is important that there are clear roles, since the worst performance was observed when roles were absent.

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11. Voss C, Haber N, Wall DP. The Potential for Machine Learning-Based Wearables to Improve Socialization in Teenagers and Adults With Autism Spectrum Disorder-Reply. JAMA Pediatr ;2019 (Sep 9)

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12. Whittenburg HN, Schall CM, Wehman P, McDonough J, DuBois T. Helping High School-Aged Military Dependents With Autism Gain Employment Through Project SEARCH + ASD Supports. Mil Med ;2019 (Sep 9)

INTRODUCTION : Youth with autism spectrum disorder (ASD) face high rates of unemployment, with unique challenges for military-dependent and -connected youth with ASD. This paper reports preliminary findings from Year One of a randomized waitlist controlled trial investigating the efficacy of the Project SEARCH + ASD Supports (PS + ASD) intervention model for military-dependent and -connected youth with ASD. METHODS : Treatment group participants (n = 6) participated in internships at a military installation in the southeastern United States ; waitlist group participants (n = 8) received special education transition services at their local high schools. Employment outcome data were collected at 12 months for both groups. RESULTS : Fourteen unique internship experiences were developed across seven business partner organizations on the military installation during Year One. Five of six PS + ASD treatment group participants obtained competitive integrated employment for an overall employment rate of 83.3%. Four of the positions were federal jobs. None of the waitlist group participants obtained competitive integrated employment during the same period. CONCLUSIONS : Initial results are promising and suggest that the PS + ASD model may help to meet the transition needs of military-dependent and -connected youth with ASD and the employment needs of local military communities.

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13. Yektas C, Alpay M, Tufan AE. Comparison of serum B12, folate and homocysteine concentrations in children with autism spectrum disorder or attention deficit hyperactivity disorder and healthy controls. Neuropsychiatr Dis Treat ;2019 ;15:2213-2219.

Objective : We aimed to investigate the serum concentrations of vitamin B12, folate and homocysteine in children diagnosed with attention deficit hyperactivity disorder (ADHD) or autism spectrum disorder (ASD) and healthy controls. Materials and methods : Serum vitamin B12, folate and homocysteine concentrations were measured in 118 children (48 children diagnosed with ADHD, 35 children diagnosed with ASD and 35 healthy controls). Symptom severity in the ADHD and ASD groups was evaluated by the Childhood Autism Rating Scale and Turgay-DSM-IV-Based Screening and Assessment Scale for Disruptive Behavior Disorders. Multivariate analysis of covariance was used to evaluate the effects of diagnosis and gender on biochemical parameters. Results : The ADHD and ASD groups and the healthy controls differed significantly regarding vitamin B12 and homocysteine concentrations, but not folate levels. Patients with ASD had the lowest vitamin B12 and the highest homocysteine levels. Vitamin B12 levels correlated negatively with hyperactivity and/orimpulsivity and oppositionality symptoms in children with ADHD. There were no relationships between psychometric evaluations and laboratory measurements in children with ASD. Gender did not affect vitamin concentrations. Conclusion : Previous studies found that vitamin B12 was reduced while homocysteine was elevated among patients with ADHD and ASDs. Our results also support those reported previously. Oppositionality and hyperactivity and/orimpulsivity may be related to vitamin B12 and homocysteine levels in children with ADHD. Further studies are required to define the role of these parameters and effects on the etiology and clinical manifestations of ASD and ADHD.

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