記述言語：英語  

DOI： 10.1177/13623613241285678

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

IMPORTANCE: Autism spectrum disorder (ASD), characterized by deficits in social communication and the presence of restricted, repetitive behaviors or interests, is a neurodevelopmental disorder affecting approximately 2.3% children aged 8 years in the US and approximately 2.2% of adults. This review summarizes evidence on the diagnosis and treatment of ASD. OBSERVATIONS: The estimated prevalence of ASD has been increasing in the US, from 1.1% in 2008 to 2.3% in 2018, which is likely associated with changes in diagnostic criteria, improved performance of screening and diagnostic tools, and increased public awareness. No biomarkers specific to the diagnosis of ASD have been identified. Common early signs and symptoms of ASD in a child's first 2 years of life include no response to name when called, no or limited use of gestures in communication, and lack of imaginative play. The criterion standard for the diagnosis of ASD is a comprehensive evaluation with a multidisciplinary team of clinicians and is based on semistructured direct observation of the child's behavior and semistructured caregiver interview focused on the individual's development and behaviors using standardized measures, such as the Autism Diagnostic Observation Schedule-Second Edition and the Autism Diagnostic Interview. These diagnostic measures have sensitivity of 91% and 80% and specificity of 76% and 72%, respectively. Compared with people without ASD, individuals with ASD have higher rates of depression (20% vs 7%), anxiety (11% vs 5%), sleep difficulties (13% vs 5%), and epilepsy (21% with co-occurring intellectual disability vs 0.8%). Intensive behavioral interventions, such as the Early Start Denver Model, are beneficial in children 5 years or younger for improvement in language, play, and social communication (small to medium effect size based on standardized mean difference). Pharmacotherapy is indicated for co-occurring psychiatric conditions, such as emotion dysregulation or attention-deficit/hyperactivity disorder. Risperidone and aripiprazole can improve irritability and aggression (standardized mean difference of 1.1, consistent with a large effect size) compared with placebo. Psychostimulants are effective for attention-deficit/hyperactivity disorder (standardized mean difference of 0.6, consistent with a moderate effect size) compared with placebo. These medications are associated with adverse effects including, most commonly, changes in appetite, weight, and sleep. CONCLUSIONS AND RELEVANCE: ASD affects approximately 2.3% of children aged 8 years and approximately 2.2% of adults in the US. First-line therapy consists of behavioral interventions, while co-occurring psychiatric conditions, such as anxiety or aggression, may be treated with specific behavioral therapy or medication.

DOI： 10.1001/jama.2022.23661

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: To examine cross-sectional associations between social capital constructs and 1) adolescent lifetime mental disorders, 2) severity of functional impairment, and 3) psychiatric comorbidity. METHOD: Data were from the National Comorbidity Survey Adolescent Supplement, a nationally representative mental health survey of 6,483 U.S. adolescents aged 13-18 years. Information from fully-structured diagnostic interviews, including adolescent and caregiver reports, was used to measure seven social capital constructs and lifetime DSM-IV mental disorders (mood, anxiety, behavior, substance use and eating disorder classes). Disorder severity was divided into severe vs. mild/moderate. Comorbidity was measured as the number of different classes of lifetime mental disorders. RESULTS: Adjusted for socio-demographics and caregivers' mental health, the most consistent associations with adolescent mental disorder were for supportive friendships (any disorder OR = 0.95, 95%CI = 0.91-0.99), family cohesion (OR = 0.81, 95%CI = 0.75-0.86), school bonding (OR = 0.76, 95%CI = 0.71-0.81), and extracurricular participation (OR = 0.90, 95%CI = 0.86-0.95), although results differed by disorder class. Caregiver-reported neighborhood trust and reciprocity and caregiver community involvement were less consistently associated with mental disorder. Medium levels of adolescent-reported affiliation with neighbors was associated with lower odds of mood (OR = 0.81, 95%CI = 0.66-0.98) and anxiety (OR = 0.78, 95%CI = 0.64-0.96) disorder, while high levels were associated with higher odds of behavior disorder (OR = 1.47, 95%CI = 1.16-1.87). Several associations were stronger for severe vs. mild/moderate disorder and with increasing comorbidity. CONCLUSION: Although we cannot infer causality, our findings support the notion that improving actual and/or perceived social capital, especially regarding friendships, family, and school, (e.g., through multimodal interventions) could aid in the prevention and treatment of both individual adolescent mental disorders and psychiatric comorbidity.

DOI： 10.1080/15374416.2021.1875326

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Despite the pivotal role of developmental surveillance in pediatric practice for the early detection of neurodevelopmental disorders (NDDs), there are several barriers, including scarcity of time and staff availability, to its implementation. Additionally, inadequate parental knowledge on what to expect about their child's development contributes to potential delays in the early identification of NDDs. Home-based records (HBRs) are widely used in both high-income and low- and middle-income countries, allowing caregivers to prospectively chart the child's development, including milestone attainment, and thus can be a useful tool for developmental surveillance. Therefore, we analyzed data on milestone attainment from birth to 5 years of age obtained through the home-based records (the Maternal Child Health Handbook: MCHH) in 720 children who attended the Hirosaki Five-year-old children Developmental Health Check-up Study in Hirosaki, Japan to identify trajectory patterns of milestone attainment. Parallel process latent class growth analysis on four milestone domains (motor, social interaction, communication, and self-care) revealed three different trajectories (Class 1: "Consistent milestone attainment" group; 42%, Class 2: "subtle initial delay and catch-up" group; 45%, Class 3: "Consistent failure to attain expected milestones" group; 13%). In Class 3, 90% of children were diagnosed with at least one NDDs at age 5 and approximately 65% of children had autism spectrum disorder and/or intellectual disability, the rate of which was higher than that in the other two classes. Boys and preterm-born children were more likely to be assigned to classes with less favorable trajectories of milestone attainment. Although the use of the MCHH alone does not substitute diagnostic evaluation for NDDs, our study findings suggest the potential utility of the MCHH as a tool to educate parents on what longitudinal patterns of milestone attainment are concerning and require prompt visits to professionals.

DOI： 10.3389/fpsyt.2022.902158

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記述言語：英語  

DOI： 10.3389/fpsyt.2022.1038190

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

In the present study, we employed network analysis that conceptualizes internet addiction (IA) as a complex network of mutually influencing symptoms in 108 adolescents with autism spectrum disorder (ASD) to examine the network architecture of IA symptoms and identify central/influential symptoms. Our analysis revealed that defensive and secretive behaviors and concealment of internet use were identified as central symptoms in this population, suggesting that mitigating these symptoms potentially prevent the development and/or maintenance of IA in adolescents with ASD. Providing adolescents and their caregivers with psychoeducation on the role of central symptoms above in IA can be a salient intervention. Doing so may facilitate nonconflicting conversations between them about adolescents' internet use and promote more healthy adolescents' internet use behavior.

DOI： 10.1007/s10803-020-04714-x

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Despite increasing attention to internet addiction (IA) in both clinical practice and research, our understanding of longitudinal changes of IA status is limited. In the present study, we employed latent transition analysis to investigate patterns of transitions and the stability of IA status among 5483 students (aged 9-12 years) over the two-year study periods. Additionally, we examined whether neurodevelopmental traits predicted certain transition patterns. The stability rate of IA class membership and the conversion rate from non-IA to IA status across the 2 years were 47% and 11%, respectively. The regression model revealed that autistic traits predicted the persisting IA pattern and that inattention traits predicted both the persisting and converting (from non-IA to IA status) patterns.

DOI： 10.1007/s10803-020-04620-2

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

There is relatively little information about prospectively reported developmental milestones from caregivers of children who go on to be diagnosed with neurodevelopmental disorders (NDDs), including autism spectrum disorder (ASD). The current study examined rates of early skill attainment in 5-year-old children who participated in a comprehensive in-person assessment for NDDs in Hirosaki in Japan. Developmental milestone data were extracted from their Maternal and Child Health Handbook (MCHH), a booklet distributed to all pregnant women as part of universal health care. Seven hundred and twenty children underwent the assessment, among whom 455 received one or more NDD diagnoses (ASD: n = 124, non-ASD NDD: n = 331). Developmental skills were organized into four domains (motor, social interaction, communication, self-help), and the cumulative number of potential delays in each domain was calculated for each participant within three different age ranges (by 12 months, by 24 months, and by 36 months). Even by age 12 months, children with ASD/NDDs showed more potential delays across domains compared to those who received no NDD diagnosis. However, differences between those with ASD and those with non-ASD NDDs were not apparent until 24 months for social interaction and communication, and 36 months for self-help. These findings provide insights into specific behaviors that could be used to screen for ASD and other NDDs. In addition, the present study indicates the potential utility of the MCHH as a broadband screening tool to educate parents about what to look for in charting their child's early development. LAY SUMMARY: The present study examined prospectively charted developmental milestones from home-based records used as part of universal health care in 720 5-year-old children from Hirosaki, Japan. All children participated in a comprehensive evaluation to determine if they met criteria for a neurodevelopmental disorder (NDD), including autism spectrum disorder (ASD). Compared to those who received no NDD diagnosis, children with NDDs exhibited higher rates of potential delays across developmental domains, including social interaction, communication, and self-help. For some children, these delays were apparent before the age of 12 months. Differences between diagnostic groups became even more pronounced by 24 and 36 months, well before the average age of diagnosis. This suggests that home-based records can be useful tools to educate caregivers about what to look for in charting their child's early development and could assist with early screening efforts.

DOI： 10.1002/aur.2442

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUNDS: Whether there is a true increase in autism spectrum disorder (ASD) frequency or not remains unclear. Additionally, the rates of co-existing neurodevelopmental disorders (NDD) in a total population sample has not been fully examined before. Therefore, using a total population sample in Japan, we aimed to estimate the prevalence and cumulative incidence of autism spectrum disorder (ASD) annually, to determine whether there is a true increase in ASD prevalence by estimating the cumulative incidence of ASD annually, and to examine the rates of co-existing neurodevelopmental disorders (NDD). METHOD: In this cross-sectional sequential design study, all 5-year-old children in the catchment area underwent the screening annually from the year 2013-2016. Screen-positive children were invited to participate in a comprehensive assessment, including child and parent interview, behavioral observation, and cognitive and motor function testing. All cases were reviewed by a multidisciplinary research team. RESULTS: Caregivers of 3954 children returned the screening, among which 559 children underwent the assessment with 87 children receiving an ASD diagnosis. Adjusted ASD prevalence was 3.22% (95% confidence interval (CI) 2.66-3.76%). The male to female ratio of the crude prevalence was 2.2:1. The cumulative incidence of ASD up to 5 years of age for the total study years was 1.31% (95% CI 1.00-1.62%). A generalized linear model revealed no significant linear trends in 5-year cumulative incidence over the study years. Only 11.5% of children had ASD alone; the remaining 88.5% were found to have at least one co-existing NDD. LIMITATIONS: Modest sample size for a total population study. CONCLUSIONS: Our findings demonstrate the stability of the 5-year cumulative incidence of ASD, implying no true rise in ASD incident cases over the 4-year study period in the study catchment area. High rates of co-existing NDDs reflect the importance of investigating broad developmental challenges in children with ASD.

DOI： 10.1186/s13229-020-00342-5

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記述言語：日本語   出版者・発行元：(一社)日本児童青年精神医学会  

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記述言語：日本語   出版者・発行元：(一社)日本児童青年精神医学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Heterogeneous mental health outcomes during the COVID-19 pandemic are documented in the general population. Such heterogeneity has not been systematically assessed in youth with autism spectrum disorder (ASD) and related neurodevelopmental disorders (NDD). To identify distinct patterns of the pandemic impact and their predictors in ASD/NDD youth, we focused on pandemic-related changes in symptoms and access to services. METHODS: Using a naturalistic observational design, we assessed parent responses on the Coronavirus Health and Impact Survey Initiative (CRISIS) Adapted For Autism and Related neurodevelopmental conditions (AFAR). Cross-sectional AFAR data were aggregated across 14 European and North American sites yielding a clinically well-characterized sample of N = 1275 individuals with ASD/NDD (age = 11.0 ± 3.6 years; n females = 277). To identify subgroups with differential outcomes, we applied hierarchical clustering across eleven variables measuring changes in symptoms and access to services. Then, random forest classification assessed the importance of socio-demographics, pre-pandemic service rates, clinical severity of ASD-associated symptoms, and COVID-19 pandemic experiences/environments in predicting the outcome subgroups. RESULTS: Clustering revealed four subgroups. One subgroup-broad symptom worsening only (20%)-included youth with worsening across a range of symptoms but with service disruptions similar to the average of the aggregate sample. The other three subgroups were, relatively, clinically stable but differed in service access: primarily modified services (23%), primarily lost services (6%), and average services/symptom changes (53%). Distinct combinations of a set of pre-pandemic services, pandemic environment (e.g., COVID-19 new cases, restrictions), experiences (e.g., COVID-19 Worries), and age predicted each outcome subgroup. LIMITATIONS: Notable limitations of the study are its cross-sectional nature and focus on the first six months of the pandemic. CONCLUSIONS: Concomitantly assessing variation in changes of symptoms and service access during the first phase of the pandemic revealed differential outcome profiles in ASD/NDD youth. Subgroups were characterized by distinct prediction patterns across a set of pre- and pandemic-related experiences/contexts. Results may inform recovery efforts and preparedness in future crises; they also underscore the critical value of international data-sharing and collaborations to address the needs of those most vulnerable in times of crisis.

DOI： 10.1186/s13229-022-00536-z

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Although research has demonstrated associations between motor coordination difficulties and psychological problems in school-age children, including emotional and behavioral problems, longitudinal changes in these problems in children with motor coordination difficulties are not fully understood. AIMS: The current study aimed to identify patterns in the trajectory of emotional and behavioral problems in school-age children with motor coordination difficulties, and to elucidate the effect of co-existing neurodevelopmental traits on the occurrence and course of these problems. METHODS AND PROCEDURES: Using the Developmental Coordination Disorder Questionnaire, 773 children were defined as cases with motor coordination difficulties and followed for 4 years, from 6 to 10 years of age. Emotional and behavioral problems were assessed using the Strengths and Difficulties Questionnaire completed by children's parents or guardians. OUTCOMES AND RESULTS: We identified four trajectory patterns of emotional and behavioral problems. Children with higher autism spectrum disorder and attention deficit hyperactivity disorder traits were more likely to be assigned to poor prognostic trajectory patterns. CONCLUSIONS AND IMPLICATIONS: Our findings emphasize the importance of assessing emotional and behavioral problems and co-existing neurodevelopmental traits in children with motor coordination difficulties in early elementary school.

DOI： 10.1016/j.ridd.2022.104394

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: The public health measures enacted in order to control the coronavirus disease (COVID-19) pandemic have caused considerable changes to daily life. For autistic children and adolescents, adapting to the "new normal," including mask-wearing, may be difficult because of their restricted interest and repetitive behavior (RRB) characteristics. We aimed to examine the relationships between RRB characteristics and the impact of mask-wearing on their social communications during the pandemic. METHODS: We recruited participants with a clinical diagnosis of autism spectrum disorder based on DSM-5 diagnostic criteria from two outpatient clinics in Tokyo, Japan, between November 2020 and April 2021 using a convenience sampling methodology. As a result, the participants consisted of 102 children and adolescents (mean (SD) age = 11.6 (5.3)). We collected data on RRB characteristics frequency before and during the pandemic using the CoRonavIruS Health Impact Survey (CRISIS) - Adapted for Autism and Related Neurodevelopmental conditions (AFAR). We then conducted factor analyses to compute the RRB severity composite scores, which are divided into lower- (e.g., sensory seeking), and higher-order (e.g., restricted interest). We also investigated mask-wearing culture using a bespoke questionnaire, and using Spearman's rank correlation analyses, we examined the relationships between before pandemic RRB characteristics, and the impact of mask-wearing on social communications during the pandemic. RESULTS: We found that children and adolescents who exhibited lower-order RRB before the pandemic had difficulties in going-out with mask-wearing (rho = -0.25, q = .031), more challenges with mask-wearing (rho =  - 0.34, q = .0018), and difficulty in referring to others' emotions while wearing masks (rho =  - 0.36, q = .0016). We also found an association between higher-order RRB before the pandemic and an uncomfortable sensation (rho =  - 0.42, q = .0002) and difficulties in referring to other's emotions while wearing masks (rho =  - 0.25, q = .031). CONCLUSIONS: We revealed that various behaviors, such as sensory seeking, repetitive motor mannerisms and movements, and rituals and routines, undertaken before the pandemic could be important predictors of difficulties with mask-wearing and social communication for autistic children and adolescents during the pandemic. Caregivers and teachers wearing masks may need to provide extra support for social communication to autistic children and adolescents showing RRB characteristics frequently.

DOI： 10.1186/s12888-022-04249-8

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Though autism spectrum disorder (ASD) traits are associated with depression, it is unclear if school social capital mediates their association. We examined whether school social capital mediates the association between ASD traits and depression, and moderation effect of sex on the mediation effect among adolescents in a general population sample (1750 males, 1779 females; equivalent 12-15 years old). The results of this study indicate that ASD traits are associated with depression among adolescents, and that this association is partly mediated by school social capital. Furthermore, the results of the moderated mediation analysis suggest that lower level of school social capital can lead to more increase level of depression for females than for males.

DOI： 10.1007/s10803-022-05687-9

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Elsevier BV  

DOI： 10.1016/j.chb.2022.107251

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1016/j.rasd.2022.101983

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

INTRODUCTION: Despite the high proportion of children and adolescents living in low- and middle-income countries, 95% of all specialized child and adolescent mental health resources are located in high-income countries. To strengthen child and adolescent mental health services (CAMHS), first it is necessary to complete an assessment of the available services and training programs to determine what is needed, particularly in regions with young populations, such as Southeast Europe, the Far East, and the Middle East. The aim of this article is to compare the status of child and adolescent psychiatry (CAP) training programs and the workforce in CAMHS in three geographical regions, to identify similar problems, highlight success stories, and to make recommendations for future studies. METHODS: This study compared CAP training programs and CAMHS workforce using the World Psychiatric Association, CAP Section's regional studies data. RESULTS: This study included data from 44 countries: 18 countries in the Far East, 15 countries in the Middle East, and 11 countries in Southeast Europe. There were significant differences both within, and between, the three included regions with regards to availability and infrastructure of CAP training programs. Besides Greece, all included countries reported the need for more child and adolescent psychiatrists and allied child and adolescent mental health professionals. DISCUSSION: There is an urgent need for more qualified child and adolescent psychiatrists and allied professionals in a very large group of countries in three different geographic regions with great differences in religion, culture, and economy.

DOI： 10.1111/appy.12490

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出版者・発行元：Research Square Platform LLC  

Abstract

Background The coronavirus disease of 2019 pandemic has caused considerable changes in daily life. For children with autism spectrum disorder, adapting to the “new normal,” including mask-wearing, may be difficult because of their restricted interest and repetitive behaviors symptoms. We aimed to examine the relationships between restricted interest and repetitive behaviors symptoms and the impact of mask-wearing on their social communications during the pandemic.Methods We recruited 102 children with autism spectrum disorder and collected data on sleep and exercise and the restricted interest and repetitive behaviors symptom frequency before and during the pandemic using an international questionnaire. Then, we conducted factor analyses to compute the restricted interest and repetitive behaviors severity composite scores, which are divided into lower-, such as sensory seeking, and higher-order, such as restricted interest. We also asked about the mask-wearing culture using a bespoke questionnaire. Using Spearman’s rank correlation analyses, we examined the relationships between the before pandemic restricted interest and repetitive behaviors symptoms and the impact of mask-wearing on their social communications during the pandemic.Results The current participants spent significantly less time outdoors during the pandemic than before (rho = 0.75, p = 0.005). We also revealed children who exhibited lower-order restricted interest and repetitive behaviors before the pandemic had more challenges with mask-wearing. Mask-wearing was associated with an uncomfortable sensation (rho=-0.34, p = 0.0004) and difficulty in referring to others’ emotions while wearing masks (rho=-0.30, p = 0.0002). We also found an association between higher-order restricted interest and repetitive behaviors and an uncomfortable sensation (rho=-0.42, p = 0.00001).Conclusions These symptoms could be an important predictor for children with autism to adapt to the new normal.

DOI： 10.21203/rs.3.rs-1552588/v1

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その他リンク： https://www.researchsquare.com/article/rs-1552588/v1.html

記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1093/ije/dyab112

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Little is known about the trajectory patterns and sex differences in adaptive behaviors in the general population. We examined the trajectory classes of adaptive behaviors using a representative sample and examined whether the class structure and trajectory patterns differed between females and males. We further explored sex differences in neurodevelopmental traits in each latent class. Participants (n = 994) were children in the Hamamatsu Birth Cohort for Mothers and Children (HBC Study)-a prospective birth cohort study. Adaptive behaviors in each domain of communication, daily living skills, and socialization were evaluated at five time points when participants were 2.7, 3.5, 4.5, 6, and 9 years old using the Vineland Adaptive Behavior Scales-Second Edition. Parallel process multigroup latent class growth analysis extracted sex-specific trajectory classes. Neurodevelopmental traits of children at age 9, autistic traits, attention deficit hyperactivity disorder (ADHD) traits, and cognitive ability were examined for females and males in each identified class. A 4-class model demonstrated the best fit. Moreover, a 4-class model that allowed for differences in class probabilities and means of growth parameters between females and males provided a better fit than a model assuming no sex differences. In the communication domain, females scored higher than their male counterparts in all four classes. In the daily living skills and socialization domains, the two higher adaptive classes (Class 1: females, 18.6%; males, 17.8%; Class 2: females, 48.8%; males, 49.8%) had similar trajectories for males and females, whereas in the two lower adaptive behavior classes (Class 3: females, 27.5%; males, 29.4%; Class 4: females, 5.1%; males, 3.0%), females had higher adaptive scores than their male counterparts. In Class 4, females were more likely to have autistic and ADHD traits exceeding the cutoffs, while males were more likely to have below-average IQ. Different trajectories in females and males suggest that adaptive skills may require adjustment based on the sex of the child, when standardizing scores, in order to achieve better early detection of skill impairment.

DOI： 10.3389/fpsyt.2022.817383

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: We aimed to explore the overall network structure of problematic smartphone use symptoms assessed by smartphone addiction scale-short version (SAS-SV) and to identify which items could play important roles in the network. METHODS: 487 college and university students filled out the study questionnaire, including SAS-SV. We constructed a regularized partial correlation network among the 10 items of SAS-SV. We calculated three indices of node centrality: strength, closeness, and betweenness, to quantify the importance of each SAS-SV item. RESULTS: We identified 34 edges in the estimated network. In the given network, one item pertaining to withdrawal symptom hadthe highest strength and high closeness centrality. Additionally, one item related to preoccupation was also found to have high centrality indices. CONCLUSION: Our results indicating the central role of one withdrawal symptom and one preoccupation symptom in the symptom network of problematic smartphone use in young adults were in line with a previous study targeting school-age children. Longitudinal study designs are required to elicit the role of these central items on the formation and maintenance of this behavioral problem.

DOI： 10.1371/journal.pone.0272803

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Social capital is an important factor that affects mental health. The purpose of this study was to examine the relationship between social capital and depression and between social capital and quality of life (QoL) in children in elementary and junior high school and to examine how this relationship differs in relevant patterns at both the individual- and school-level. The study was conducted in all elementary and junior high schools in a single municipality; the subjects consisted of 3,722 elementary school and 3,987 junior high school students (aged from 9 to 15). A multilevel linear mixed effect model analysis revealed that all three subscales of social capital were associated with depression and QoL at the individual-level: The school social capital at the individual-level showed the strongest association with depression and QoL. We also found that some of social capital at the school-level was associated with depression and QoL. An interactive effect was observed between educational stage (elementary and junior high) and some of social capital subscales. Specifically, the inverse association between school social capital and depression was stronger among the junior high students, while the positive association between school and neighborhood social capital and QoL was stronger among the elementary students. These interactions suggest that social capital impacts depression and QoL differently in elementary and junior high students. These findings suggest that the degree of association of social capital domains differs in mental health among the educational stage.

DOI： 10.1371/journal.pone.0262103

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1093/ije/dyab112

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

The aims of this study were to identify sensory processing profiles specific to preschoolers with DCD in a community sample and examine the association of sensory processing problems with motor coordination difficulties in these children. Sixty-three 5-year-old children with DCD and without other neurodevelopmental disorders and 106 age-matched typically developing children participated in this study. Sensory processing problems were assessed using the Sensory Profile. Our results demonstrated problems in wide sensory processing patterns (low registration, sensitivity and avoiding) and areas (auditory, vestibular, touch and oral) in children with DCD compared with typically developing children. Additionally, the association of problems in sensory processing patterns (sensitivity and avoiding) and areas (touch and auditory) with motor coordination difficulties were identified in children with DCD alone. Our findings indicate that sensory processing abnormalities may contribute to the pathophysiology of DCD, suggesting the importance of assessing sensory processing functions in children with DCD.

DOI： 10.1007/s10578-020-01013-5

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記述言語：英語  

DOI： 10.1111/pcn.13148

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Through this meta-analysis, we sought to examine the prevalence of, risks for, and factors associated with bullying involvement (victimization, perpetration, perpetration-victimization) among students with autism spectrum disorder (ASD). Additionally, we attempted to examine sources of variance in the prevalence and effect sizes of bullying in students with ASD across studies. Systematic database and literature review identified 34 relevant studies (31 for Western countries, three for Eastern countries). Pooled prevalence estimates for victimization, perpetration, and perpetration-victimization in general were 67%, 29%, and 14%, respectively. The risk of victimization in students with ASD was significantly higher than that in typically developing students and students with other disabilities. Further, deficits in social interaction and communication, externalizing symptoms, internalizing symptoms, and integrated inclusive school settings were related to higher victimization, and externalizing symptoms were related to higher perpetration. Finally, moderation analyses revealed significant variations in the pooled prevalences thereof depending on culture, age, school settings, and methodological quality and in the pooled effect sizes according to publication year and methodological quality. Our results highlight needs for bullying intervention for students with ASD, especially those who are younger, are in an inclusive school setting, and have higher social difficulties and externalizing/internalizing symptoms; for intensive research of bullying experiences among students with ASD in Eastern countries; and for efforts to improve the methodological quality of such research.

DOI： 10.3349/ymj.2020.61.11.909

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Irritability and aggression (IA) are highly prevalent in individuals with autism spectrum disorder (ASD). Although clinical correlates of IA in this population have been previously examined, findings from existing studies capturing symptoms as a set of latent variables do not fully explain meaningful associations between the symptoms themselves. In the present study, we conducted network analysis which conceptualizes mental health difficulties as a complex network of directly associated symptoms in 2612 individuals who were diagnosed with ASD through rigorous diagnostic assessment and who were enrolled in the Simons Simplex Collection. Using the Aberrant Behavior Checklist, a validated scale, we investigated the network structure of IA and tried to identify bridge symptoms that link IA and other symptom domains. In our analysis, irritability symptoms had stronger and more direct associations with other nodes than aggression symptoms did. Additionally, depressed mood and oppositionality were identified to function as bridge symptoms. The network structures did not differ between individuals with and without intellectual disability. Our findings indicate that addressing these bridge symptoms through integrated care combining different modalities of treatment could ease the complicated symptom network and thereby reduce IA symptoms in individuals with ASD.

DOI： 10.1007/s10803-019-04354-w

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Despite their importance in population health among children and adolescents, our understanding of how individual items mutually interact within and between pediatric health-related quality of life (HRQOL) and school social capital is limited. METHODS: We employed network analysis in a general population sample of 7759 children aged 9-15 years to explore the network structure of relations among pediatric HRQOL and school social capital items measured using validated scales. Furthermore, network centrality was examined to identify central items that had stronger and more direct connections with other items in the network than others. Network structure and overall strength of connectivity among items were compared between groups (by sex and age). RESULTS: Our analysis revealed that the item related to school/academic functioning and the item related to shared enjoyment among students had the highest strength centrality in the network of HRQOL and school social capital, respectively, underpinning their critical roles in pediatric HRQOL and school social capital. Additionally, the edge connecting "I trust my friends at school" and "trouble getting along with peers" had the strongest negative edge weight among ones connecting school social capital and pediatric HRQOL constructs. Network comparison test revealed stronger overall network connectivity in middle schoolers compared to elementary schoolers but no differences between male and female students. CONCLUSION: The network approach elucidated the complex relationship of mutually influencing items within and between pediatric HRQOL and school social capital. Addressing central items may promote children's perceived health and school social capital.

DOI： 10.1371/journal.pone.0242670

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Internet addiction (IA) has been reported as prevalent in adolescents with autism spectrum disorders (ASD) and attention-deficit hyperactivity disorder (ADHD). However, the course of IA in this population has not been elucidated. The authors performed a 2-year follow-up study including 89 out of 132 adolescents with ASD and/or ADHD in a psychiatric clinical setting who participated in the original cross-sectional study assessing IA prevalence. Within this sample of participants from both the original and the follow-up study, results showed a 2-year IA remission and incidence rate of 60% and 5%, respectively. Our findings imply that the course of IA in psychiatric populations with ASD and/or ADHD might be similar to reports from previous studies with general adolescent populations.

DOI： 10.1007/s10803-019-04169-9

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記述言語：英語  

DOI： 10.1111/pcn.12910

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: Data pertaining to child and adolescent psychiatry (CAP) training systems are limited as extant research has mostly been derived from one-time data collection. This 5-year follow-up survey collects updated information on CAP training systems in the Far East, allowing for the tracking of system changes over the past 5 years. METHODS: Data were obtained from 18 countries, or functionally self-governing areas, in the Far East, 17 of which were also included in the original study. An online questionnaire was completed by leading CAP professionals in each country. Questions were expanded in the present study to capture the contents of CAP training. RESULTS: When compared to data from the original study, there has been progress in CAP training systems in the last 5 years. Specifically, there has been an increase in the number of countries with CAP training programs and national guidelines for the training. In addition, the number of CAP departments/divisions affiliated with academic institutions/universities has increased. Findings from 12 of 18 countries in the present study provide data on clinical contents. All informants of the present study reported the need for more child and adolescent psychiatrists and allied professionals. CONCLUSION: Despite progress in CAP training systems over the last 5 years, the need for more professionals in child and adolescent mental health care in all the relevant areas in this region have yet to be adequately addressed. Continued national efforts and international collaborations are imperative to developing and sustaining new CAP training systems while facilitating improvements in existing programs.

DOI： 10.1111/pcn.12800

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

PURPOSE: Pathological Internet use has been predominantly studied in junior high/middle school-aged or older children; data from elementary/primary school-aged children, however, are scarce. The current study aimed to examine the prevalence of problematic Internet use, including pathological and maladaptive Internet use, in elementary and junior high school-aged children and the relationships between problematic Internet use and mental health problems and health-related quality of life. METHODS: The survey was conducted among children who attend national and public elementary and junior high schools in a medium-sized city in Japan; data were received from 3845 elementary school-aged and 4364 junior high school-aged children. RESULTS: Based on the Young's Diagnostic Questionnaire score, the prevalence of pathological and maladaptive Internet use was 3.6% and 9.4% and 7.1% and 15.8% in elementary and junior high school-aged children, respectively. The prevalence of problematic Internet use, including pathological and maladaptive Internet use, consistently increased from the 4th grade to the 8th grade. In addition, the prevalence sharply increased between the 7th grade and the 8th grade. Our study revealed that children with pathological and maladaptive Internet use exhibited more severe depression and decreased health-related quality of life than those with adaptive Internet use. CONCLUSIONS: Our results demonstrated that pathological Internet use is not uncommon even in elementary school-aged children and that those with pathological and maladaptive Internet use have severe mental health problems and decreased health-related quality of life, supporting the importance of providing these children with educational and preventive interventions against problematic Internet use and associated risk factors.

DOI： 10.1007/s00127-018-1605-z

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Existing reviews of screening tools for Autism Spectrum Disorder (ASD) focus on young children, and not all screening tools have been examined against validated diagnostic procedures. AIMS: To examine the validity of screening tools for ASD in non-young children and adults to provide clinical recommendations about the use of these tools in a variety of clinical settings. METHODS AND PROCEDURES: Electronic databases, including MEDLINE, EMBASE, PsychINFO, Cochrane Library and CINAHL, were searched through March 2017. Studies examining the validity of ASD screening tools against the Autism Diagnostic Observation Schedule and/or the Autism Diagnostic Interview - Revised in non-young children (age 4 or above) and adults were included. Three authors independently reviewed each article for data extraction and quality assessment. OUTCOMES AND RESULTS: 14 studies met the inclusion criteria, of which 11 studies were with children (4-18 years of age) and 3 studies included adults only (19 years of age and above). Included studies were conducted in a general population/low-risk sample (N = 3) and a clinically referred/high-risk sample (N = 11). In total 11 tools were included. CONCLUSIONS AND IMPLICATIONS: Only three screening tools (the Autism-Spectrum Quotient, the Social Communication Questionnaire, and the Social Responsiveness Scale) were examined in more than 2 studies. These tools may assist in differentiating ASD from other neurodevelopmental and psychiatric disorders or typically developed children. In young adult populations, the paucity of the existing research in this group limits definitive conclusion and recommendations.

DOI： 10.1016/j.ridd.2018.05.017

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Extant literature suggests that autism spectrum disorder (ASD) and attention-deficit hyperactivity disorder (ADHD) are risk factors for internet addiction (IA). The present cross-sectional study explored the prevalence of IA among 132 adolescents with ASD and/or ADHD in a Japanese psychiatric clinic using Young's Internet Addiction Test. The prevalence of IA among adolescents with ASD alone, with ADHD alone and with comorbid ASD and ADHD were 10.8, 12.5, and 20.0%, respectively. Our results emphasize the clinical importance of screening and intervention for IA when mental health professionals see adolescents with ASD and/or ADHD in psychiatric services.

DOI： 10.1007/s10803-017-3148-7

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVES: We performed an updated meta-analysis of antipsychotic treatment in patients with delirium, based on a previous meta-analysis published in 2007. METHODS: Included in this study were randomised, placebo-controlled or usual care (UC) controlled trials of antipsychotics in adult patients with delirium. Our primary outcome measure was response rate at the study end point. The secondary outcome measures included improvement of severity of delirium, Clinical Global Impression-Severity Scale (CGI-S), time to response (TTR), discontinuation rate and individual adverse effects. The risk ratio (RR), the number-needed-to-treat/harm (NNT/NNH), 95% CIs and standardised mean difference (SMD), were calculated. RESULTS: We identified 15 studies (mean duration: 9.8 days) for the systematic review (total n=949, amisulpride=20, aripiprazole=8, chlorpromazine=13, haloperidol=316, intramuscular olanzapine or haloperidol injection=62, olanzapine=144, placebo=75, quetiapine=125, risperidone=124, UC=30 and ziprasidone=32), 4 of which were conference abstracts and unpublished. When pooled as a group, antipsychotics were superior to placebo/UC in terms of response rate (RR=0.22, NNT=2), delirium severity scales scores (SMD=-1.27), CGI-S scores (SMD=-1.57) and TTR (SMD=-1.22). The pooled antipsychotic group was associated with a higher incidence of dry mouth (RR=13.0, NNH=5) and sedation (RR=4.59, NNH=5) compared with placebo/UC. Pooled second-generation antipsychotics (SGAs) were associated with shorter TTR (SMD=-0.27) and a lower incidence of extrapyramidal symptoms (RR=0.31, NNH=7) compared with haloperidol. CONCLUSIONS: Our results suggested that SGAs have a benefit for the treatment of delirium with regard to efficacy and safety compared with haloperidol. However, further study using larger samples is required.

DOI： 10.1136/jnnp-2015-311049

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: Despite the general consensus on the importance of youth mental health, the scarcity of child and adolescent mental health services is prominent all over the world. Child and adolescent psychiatry (CAP) postgraduate training can play a pivotal role in increasing access to youth mental health services. In comparison to Europe and North America, however, little is reported regarding CAP training in the Far East, one of the most dynamic and rapidly developing world regions with a very young population. This paper presents an original study on the current status of academic child and adolescent psychiatry training across the Far East. METHODS: We collected data from 17 countries in the Far East using an internally distributed questionnaire to the Consortium members invited for this study, consisting of leading academic child and adolescent psychiatrists in each country. RESULTS: Based on informants' input, we found an overall underdevelopment of CAP postgraduate training systems despite CAP's recognition as a subspecialty in 12 of 17 of the nations or functionally self-governing areas in the Far East. Paucity of official guidelines for CAP training was also evident. All informants reported a need for additional child and adolescent mental health professionals. CONCLUSION: There seems to be several obstacles to the development of CAP postgraduate training in the Far East, including stigma towards mental health issues and lack of funding. International collaboration is desired to develop evidence-based and culture-tailored CAP training systems.

DOI： 10.1111/pcn.12248

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: There are prior reports describing a diagnostic delay in medical emergencies in patients with schizophrenia. To our knowledge, this is the first case report demonstrating the risk of diagnostic delay of acute meningitis due to reduced pain perception as well as other factors related to schizophrenia and its treatment. METHOD: We report a case of meningitis in a patient suffering from chronic schizophrenia and poor treatment response despite high doses of antipsychotics. Potential difficulties and pitfalls when suspecting or diagnosing meningitis as a physical comorbidity in patients with schizophrenia are discussed. RESULTS: A 33-year-old man with chronic and treatment-resistant schizophrenia developed acute meningitis. The definite diagnosis was delayed because the cardinal symptoms other than fever were not clearly elicited by physical examination. The characteristic symptoms of meningitis were concealed by reduced pain perception, rigidity due to the administration of antipsychotics, disorganized thinking and potentially diminished communication with health care professionals as commonly seen in patients with schizophrenia. CONCLUSION: Meningitis should not be dismissed as a possibility in patients with fever of unknown origin just because a patient with schizophrenia does not present with cardinal features of meningitis other than fever.

DOI： 10.1016/j.genhosppsych.2015.07.011

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Electroencephalogram-recorded epileptiform activity is common in children with autism spectrum disorder (ASD), even without clinical seizures. A systematic literature search identified 7 randomized, placebo-controlled trials of antiepileptic drugs (AEDs) in ASD (total n = 171), including three of valproate, and one each of lamotrigine, levetiracetam, and topiramate. Meta-analysis revealed no significant difference between medication and placebo in four studies targeting irritability/agitation and three studies investigating global improvement, although limitations include lack of power and different medications with diverse actions. Across all seven studies, there was no significant difference in discontinuation rate between two groups. AEDs do not appear to have a large effect size to treat behavioral symptoms in ASD, but further research is needed, particularly in the subgroup of patients with epileptiform abnormalities.

DOI： 10.1007/s10803-013-1952-2

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: To meta-analyze the efficacy and safety of α-2 agonists in pediatric attention-deficit/hyperactivity disorder (ADHD). METHOD: We searched MEDLINE, EMBASE, Cochrane Library, CINAHL, and PsycINFO until May 2013 for randomized trials comparing α-2 agonists with placebo in ADHD youth. Primary outcome was reduction in overall ADHD symptoms. Secondary outcomes included hyperactivity/impulsivity, inattentiveness, oppositional defiant disorder symptoms (ODD symptoms), all-cause discontinuation, specific-cause discontinuation, and adverse effects. Standardized mean differences (SMD), relative risk (RR), and number-needed-to-treat/number-needed-to-harm (NNT/NNH) were calculated. Data were analyzed separately in monotherapy and as add-on to psychostimulants. RESULTS: Altogether, 12 studies (N = 2,276) were included. Across 9 studies (n = 1,550), α-2 agonist monotherapy significantly reduced overall ADHD symptoms (SMD = -0.59, p < .00001), hyperactivity/impulsivity (SMD = -0.56, p < .00001), inattention (SMD = -0.57, p < .00001), and ODD symptoms (SMD = -0.44, p = .0004). Similarly, α-2 agonist add-on treatment (3 studies, n = 726) significantly reduced overall ADHD symptoms (SMD = -0.36, p < .0001), hyperactivity/impulsivity (SMD = -0.33, p < .0001), and inattention (SMD = -0.34, p < .0001), but effect sizes were lower than in monotherapy trials (p = .03-0.04). As monotherapy, α-2 agonists had lower all-cause (RR = 0.70, p = .01, NNT = 10) and inefficacy-related (RR = 0.39, p < .0001) discontinuations than did placebo; however, intolerability-related discontinuation was similar, despite significantly more common fatigue (NNH = 10), sedation (NNH = 17), and somnolence (NNH = 4) and significantly greater hypotensive (clonidine-IR), bradycardic (clonidine-IR), and QTc prolonging (guanfacine-XR) effects. Added to stimulants, α-2 agonists had all-cause and specific-cause discontinuations that were comparable to those of placebo, but somnolence (NNH = 10) was more common, and hypotensive and bradycardic effects (clonidine-XR and guanfacine-XR) were greater than with placebo. CONCLUSIONS: α-2 Agonist monotherapy and, possibly to a lesser extent, co-treatment, are significantly superior to placebo for overall, hyperactivity, and inattentive ADHD symptoms. Efficacy advantages need to be balanced against fatigue, somnolence/sedation, hypotension, bradycardia, and possibly QTc prolongation.

DOI： 10.1016/j.jaac.2013.11.009

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: Although antipsychotics have been used empirically to prevent the development of postoperative delirium, there has been no confirming evidence to support their use. Thus, we conducted a systematic review and a meta-analysis to elucidate their efficacy and tolerability in surgical patients. DATA SOURCES: MEDLINE, EMBASE, the Cochrane Library databases, CINAHL, and PsycINFO were searched up to February 2013 without language restrictions, using the following keywords: (antipsychotics OR [nonproprietary name of each antipsychotic medication, separated by OR]) AND delirium AND (randomized OR random OR randomly). STUDY SELECTION: Randomized controlled trials comparing prophylactic use of antipsychotics with placebo in surgical patients were included. DATA EXTRACTION: Two authors extracted and scrutinized the data. The risk ratio (RR), 95% confidence interval (CI), number needed to treat (NNT), and standardized mean difference were used. RESULTS: Six studies (3 haloperidol, 1 olanzapine, and 2 risperidone) including 1,689 surgical patients were identified. The results showed significant efficacy in reducing the occurrence of delirium (RR = 0.50, 95% CI = 0.34 to 0.73, P = .0003; NNT = 7, P = .001, 6 studies). Sensitivity analysis showed that second-generation antipsychotics were superior to placebo (RR = 0.36, P < .00001; NNT = 4, P < .00001), whereas haloperidol failed to show superiority to placebo. There were no statistically significant differences between groups in severity of delirium, discontinuation rate, or rates of several adverse events. CONCLUSIONS: Our results suggest that second-generation antipsychotics are more beneficial than placebo for preventing the incidence of delirium. Among patients who do develop delirium, the severity of delirium is not reduced in those who received prophylactic antipsychotics.

DOI： 10.4088/JCP.13r08512

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

We performed an updated meta-analysis of fluvoxamine add-on therapy in patients with schizophrenia treated with antipsychotics based on two previous meta-analyses (Sepehry et al., in J Clin Psychiatry 68:604-610, 2007 and Singh et al., in Br J Psychiatry J Mental Sci 197:174-179, 2010). We searched PubMed, the Cochrane Library database, and PsycINFO up to January 2013. We conducted a systematic review and meta-analysis of individual patient data from randomized controlled trials comparing fluvoxamine add-on therapy with placebo. The risk ratio (RR), 95 % confidence intervals (CI), and standardized mean difference (SMD) were calculated. Seven studies (total n = 272) were identified. These included two clozapine studies, one olanzapine study, one second-generation antipsychotic (SGA) monotherapy study, and three first-generation antipsychotics (FGAs) monotherapy studies. There were significant effect of fluvoxamine add-on therapy on overall (SMD = -0.46, CI = -0.75 to -0.16, p = 0.003, I (2) = 0 %, 5 studies, n = 180) and negative symptoms (SMD = -0.44, CI = -0.74 to -0.14, p = 0.004, I (2) = 0 %, 5 studies, n = 180). However, fluvoxamine add-on therapy showed no significant effects on positive symptoms, depressive symptoms, and discontinuations from any cause or adverse events. Fluvoxamine add-on therapy in patients primarily treated with SGAs improved overall (p = 0.02) but not negative symptoms (p = 0.31). On the other hand, fluvoxamine add-on therapy in patients primarily treated with FGAs improved both overall (p = 0.04) and negative symptoms (p = 0.004) compared with control groups. Our results suggest that fluvoxamine add-on therapy is more beneficial on the psychopathology (especially negative symptoms) than controls in patients with schizophrenia who are primarily treated with FGAs. Given that a small number of studies were included in this meta-analysis, the results should be treated with caution.

DOI： 10.1007/s00406-013-0406-3

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: Adenosine has been reported to interact with dopamine and glutamate of which are currently central pathophysiology of schizophrenia. Further, there have been emerging reports that patients with bipolar disorder (BD) have pathophysiological changes of the purinergic system. Thus, we performed a systematic review and meta-analysis of adenosine modulators in these disorders. METHOD: We searched PubMed, EMBASE, the Cochrane Library databases, CINAHL, and PsycINFO up to April 25, 2013. Randomized controlled trials comparing adenosine modulator adjuvant therapy with placebo in patients with schizophrenia and BD were included. Primary outcome measures were Positive and Negative Syndrome Scale (PANSS) and Young Mania Rating Scales (YMRS). The risk ratio, 95% confidence interval, and standardized mean differences (SMD) were used. RESULTS: Nine studies, including six studies in schizophrenia (total n=457) and three studies in BD (total n=289) were included. Overall, adenosine modulators were superior to placebo in PANSS total scores (SMD=-1.07, p=0.01) and positive and general but not negative symptom subscale scores in schizophrenia. Individually, allopurinol failed to show its superiority to placebo in all primary outcome measures in schizophrenia. In BD, data from pooled adenosine modulators indicated significant reduction of YMRS scores in comparison to placebo (SMD=-0.39, p=0.004). CONCLUSIONS: Our results suggest that adenosine modulator adjuvant therapy is more beneficial in overall psychopathology (especially positive symptoms) in schizophrenia and in treating mania episodes of BD in comparison to placebo. The limited sample size of available studies suggests that more research should be done to evaluate both efficacy and tolerability of these medications.

DOI： 10.1016/j.schres.2013.06.038

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記述言語：日本語   出版者・発行元：(公社)日本精神神経学会  

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記述言語：日本語   出版者・発行元：(公社)日本精神神経学会  

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記述言語：日本語   出版者・発行元：(株)星和書店  

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記述言語：日本語   出版者・発行元：日本臨床精神神経薬理学会・日本神経精神薬理学会  

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記述言語：日本語   出版者・発行元：(一社)日本児童青年精神医学会  

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