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Trajectory research in children with an autism diagnosis: A scoping review.

ABSTRACT:

Lay abstract

The types of outcomes studied in children on the autism spectrum include clinical characteristics, such as social functioning, communication, language, or autism symptoms. Research that measures these outcomes at multiple timepoints is useful to improve our understanding of what to expect as children develop. In trajectory studies, researchers assess outcomes at three or more timepoints. This method has advantages over two-timepoint studies because it allows researchers to describe changes in the speed of development, such as accelerations, plateaus, or slowdowns. We identified and reviewed 103 published trajectory studies in children (to age 18 years) with an autism diagnosis. Importantly, we did not include studies of treatments or their effects, nor did we summarize the results of studies. Instead, this review summarizes the characteristics of the available published research, including the methods used, the many different outcomes that have been studied over time and the ages over which they have been studied. This summary may be of interest to autistic people and caregivers (parents) who want to know about the existence of research that provides answers about what to expect during an autistic child's development. We have recommended that future trajectory research efforts try to make up for the lack of studies from low- and middle-income countries; that more attention is given to the following outcomes that are meaningful to caregivers and autistic people; and to try to fill in the age gaps where more outcome-specific data are needed.

SUBMITTER: Gentles SJ

PROVIDER: S-EPMC10913344 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature

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Trajectory research in children with an autism diagnosis: A scoping review.

Gentles Stephen J SJ Ng-Cordell Elise C EC Hunsche Michelle C MC McVey Alana J AJ Bednar E Dimitra ED DeGroote Michael G MG Chen Yun-Ju YJ Duku Eric E Kerns Connor M CM Banfield Laura L Szatmari Peter P Georgiades Stelios S

Autism : the international journal of research and practice 20230516 3

<h4>Lay abstract</h4>The types of outcomes studied in children on the autism spectrum include clinical characteristics, such as social functioning, communication, language, or autism symptoms. Research that measures these outcomes at multiple timepoints is useful to improve our understanding of what to expect as children develop. In trajectory studies, researchers assess outcomes at three or more timepoints. This method has advantages over two-timepoint studies because it allows researchers to d ...[more]

PMID: 37194194

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Project description:IntroductionLongitudinal trajectory methods, featuring outcome assessments at three or more time points, are increasingly being used as appropriate approaches to understand developmental pathways of people on the autism spectrum across the lifespan. Understanding the scope of this rapidly expanding body of research can help inform future trajectory studies and identify areas for potential meta-analysis as well as key evidence gaps. We present the protocol for a scoping review whose objective is to identify and summarise the scope of research that uses a longitudinal trajectory study design to examine development in children diagnosed with autism. Specifically, we will identify outcome domains and age intervals that have been well characterised, areas where further research is needed and the historical use of various longitudinal trajectory analytical approaches.Methods and analysisWe outline the methods for the proposed scoping review according to the framework outlined by Arksey and O'Malley, with subsequent clarifications and enhancements by other authors. Using a search strategy developed by a medical librarian, we will search six databases for relevant publications. Titles and abstracts will be screened in duplicate, followed by full-text screening. Data extraction fields developed predominantly a priori from a set of guiding subquestions will be used to chart relevant data. The findings will include quantitative aggregate summaries, narrative summaries, and appraisal of trajectory studies according to our methodological subquestions. We will consult autistic self-advocate and parent-caregiver stakeholders to facilitate interpretation of the findings.Ethics and disseminationResearch ethics approval is not required for this scoping review. The results will be presented to researcher, care professional, policy-maker and stakeholder audiences at local and international conferences, other dissemination activities and published in a peer-reviewed journal.

Project description:BackgroundConsidering the COVID-19 pandemic, understanding the reliability, validity, social validity, and feasibility of using telehealth to diagnose ASD is a critical public health issue. This paper examines evidence supporting the use of telehealth methods to diagnose ASD and outlines the necessary modifications and adaptations to support telehealth diagnosis.Methods and proceduresStudies were identified by searching PubMed and PsychInfo electronic databases and references lists of relevant articles. Only peer reviewed articles published in English with a focus on using telehealth for the purposes of diagnosing ASD were included. Searches were conducted through June 3rd, 2021.Outcomes and resultsA total of 10 studies were identified as meeting inclusion criteria. Of the eight papers that reported on reliability (e.g., accuracy), telehealth methods to diagnose ASD were between 80-91% accurate when compared with traditional in-person diagnosis. Six studies reported on validity (i.e., sensitivity and/or specificity). All six studies calculated sensitivity, with values ranging from 75% and 100%. Five of the six studies calculated specificity, with values ranging from 68.75% and 100%. The seven papers that reported social validity indicated that caregivers, as well as adult participants and clinicians, were mostly satisfied with telehealth. Feasibility was reported by seven studies and suggests that telehealth methods appear largely viable, though some challenges were reported.Conclusions and implicationsAlthough findings reviewed here are promising, more research is needed to verify the accuracy, validity, and feasibility of utilizing telehealth to diagnose ASD. Studies with larger sample sizes and samples across sites will be critical, as these will allow clinicians to identify subjects most likely to benefit from telehealth as well as those more likely to require an in-person assessment. This research is important not only due to the current pandemic, but also due to increased prevalence rates of ASD and an insufficient number of diagnostic providers-particularly in rural and/or otherwise under-served communities.

Project description:ImportanceAutism spectrum disorder (ASD) is a neurological condition characterized by impairments in social interaction, communication, and behavior. Occupational therapy practitioners use creative arts interventions for children with ASD, but relevant evidence for these interventions is lacking.ObjectiveTo provide occupational therapists evidence of the benefit of creative arts interventions for children with ASD by evaluating treatment efficacy and connecting the evidence with the Occupational Therapy Practice Framework: Domain and Process (4th ed.; OTPF-4).Data sourcesWe searched peer-reviewed articles in six databases: CINAHL, Cochrane, PubMed, Ovid, PsycInfo, and Scopus. Eighteen articles published between 2000 and 2020 met Level 1b or 2b evidence criteria and were retrieved for full review; 15 were included in this scoping review.Study selection and data collectionWe used Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines to extract data. Inclusion criteria were as follows: (1) Level 1b or 2b study; (2) quantitative data; (3) published in English; (4) population of children (ages <18 yr); (5) primary diagnosis of ASD; and (6) creative arts intervention in the forms of drawing, painting, or coloring; music; or theater.FindingsCreative arts interventions benefited children with ASD in two OTPF-4 areas (process and social interaction) pertaining to the Performance Skills domain and one OTPF-4 area (body functions) pertaining to the Client Factors domain. We found similar effects for group and individual intervention sessions, and significant improvements required multiple sessions.Conclusions and relevanceOur findings provide evidence for the efficacy of creative arts interventions to enhance occupation-based outcomes for children with ASD. What This Article Adds: Our findings support occupational therapy practitioners' use of creative arts interventions to improve OTPF-4-based client factors and process and social interaction skills for children with ASD.

Project description:BackgroundEstimates of autism prevalence have increased dramatically over the past two decades. Evidence suggests environmental factors may contribute to the etiology of the disorder.ObjectivesThis scoping review aimed to identify and categorize primary research and reviews on the association between prenatal and early postnatal exposure to environmental chemicals and the development of autism in epidemiological studies and rodent models of autism.MethodsPubMed was searched through 8 February 2018. Included studies assessed exposure to environmental chemicals prior to 2 months of age in humans or 14 d in rodents. Rodent studies were considered relevant if they included at least one measurement of reciprocal social communicative behavior or repetitive and stereotyped behavior. Study details are presented in interactive displays using Tableau Public.ResultsThe search returned 21,603 unique studies, of which 54 epidemiological studies, 46 experimental rodent studies, and 50 reviews were deemed relevant, covering 152 chemical exposures. The most frequently studied exposures in humans were particulate matter ([Formula: see text]), mercury ([Formula: see text]), nonspecific air pollution ([Formula: see text]), and lead ([Formula: see text]). In rodent studies, the most frequently studied exposures were chlorpyrifos ([Formula: see text]), mercury ([Formula: see text]), and lead ([Formula: see text]).DiscussionAlthough research is growing rapidly, wide variability exists in study design and conduct, exposures investigated, and outcomes assessed. Conclusions focus on recommendations to guide development of best practices in epidemiology and toxicology, including greater harmonization across these fields of research to more quickly and efficiently identify chemicals of concern. In particular, we recommend chlorpyrifos, lead, and polychlorinated biphenyls (PCBs) be systematically reviewed in order to assess their relationship with the development of autism. There is a pressing need to move forward quickly and efficiently to understand environmental influences on autism in order to answer current regulatory questions and inform treatment and prevention efforts. https://doi.org/10.1289/EHP4386.

Dataset Information

Trajectory research in children with an autism diagnosis: A scoping review.

Lay abstract

Publications

Trajectory research in children with an autism diagnosis: A scoping review.

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