Brief Report: Cumulative Incidence of Autism Spectrum Disorder Before School Entry in a Thoroughly Screened Population / Daimei SASAYAMA in Journal of Autism and Developmental Disorders, 51-4 (April 2021)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 51-4 (April 2021) . - p.1400-1405 Titre : Brief Report: Cumulative Incidence of Autism Spectrum Disorder Before School Entry in a Thoroughly Screened Population Type de document : Texte imprimé et/ou numérique Auteurs : Daimei SASAYAMA, Auteur ; Tetsuya KUDO, Auteur ; Wakako KANEKO, Auteur ; Rie KUGE, Auteur ; Noriaki KOIZUMI, Auteur ; Tetsuo NOMIYAMA, Auteur ; Shinsuke WASHIZUKA, Auteur ; Hideo HONDA, Auteur Article en page(s) : p.1400-1405 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder  Epidemiology  Incidence  Mass screening Index. décimale : PER Périodiques Résumé : The present study aimed to identify the cumulative incidence of autism spectrum disorder (ASD) in a thoroughly screened population and to examine the behavioral and motor characteristics observed in children with ASD at the age of 18 months. Subjects were 1067 children who underwent a screening assessment for ASD at the routine 18-months health checkup. By the age of 6 years, 3.1% (4.3% of boys and 2.0% of girls) were diagnosed as having ASD by their attending pediatricians. Higher rate of difficulties in motor skills and social and communication skills had been reported in children with ASD at 18 months of age. This study showed that careful community-based screening system may be helpful in detecting ASD at early age. En ligne : http://dx.doi.org/10.1007/s10803-020-04619-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=445 [article] Brief Report: Cumulative Incidence of Autism Spectrum Disorder Before School Entry in a Thoroughly Screened Population [Texte imprimé et/ou numérique] / Daimei SASAYAMA, Auteur ; Tetsuya KUDO, Auteur ; Wakako KANEKO, Auteur ; Rie KUGE, Auteur ; Noriaki KOIZUMI, Auteur ; Tetsuo NOMIYAMA, Auteur ; Shinsuke WASHIZUKA, Auteur ; Hideo HONDA, Auteur . - p.1400-1405. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 51-4 (April 2021) . - p.1400-1405 Mots-clés : Autism spectrum disorder  Epidemiology  Incidence  Mass screening Index. décimale : PER Périodiques Résumé : The present study aimed to identify the cumulative incidence of autism spectrum disorder (ASD) in a thoroughly screened population and to examine the behavioral and motor characteristics observed in children with ASD at the age of 18 months. Subjects were 1067 children who underwent a screening assessment for ASD at the routine 18-months health checkup. By the age of 6 years, 3.1% (4.3% of boys and 2.0% of girls) were diagnosed as having ASD by their attending pediatricians. Higher rate of difficulties in motor skills and social and communication skills had been reported in children with ASD at 18 months of age. This study showed that careful community-based screening system may be helpful in detecting ASD at early age. En ligne : http://dx.doi.org/10.1007/s10803-020-04619-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=445

Early Intervention System for Preschool Children with Autism in the Community: The Discovery Approach in Yokohama, Japan / Hideo HONDA in Autism, 6-3 (September 2002)  

Public ISBD [article]  inAutism > 6-3 (September 2002) . - p.239-257 Titre : Early Intervention System for Preschool Children with Autism in the Community: The Discovery Approach in Yokohama, Japan Type de document : Texte imprimé et/ou numérique Auteurs : Hideo HONDA, Auteur ; Yasuo SHIMIZU, Auteur Article en page(s) : p.239-257 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : The article reports on DISCOVERY, a conceptual model for a clinical system of early detection and early intervention in cases of autism that has been implemented in Yokohama, Japan. The minimal requirements for this system are subsystems dealing with detection, diagnosis and intervention. Specific issues involving early diagnosis that complicate the design of the system are the seemingly contradictory considerations of early versus precise diagnosis, the undifferentiated recognition of a child’s disorder on the part of the parents, and the difficulty of establishing cooperative working relationships among related facilities. To overcome these issues, an ‘interface’ linking consecutive subsystems is emphasized in the DISCOVERY model. A clinical system based on this model has been developed in Yokohama. This system not only benefits clinical performance, but will also add significantly to research on autism. En ligne : http://dx.doi.org/10.1177/1362361302006003003 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=209 [article] Early Intervention System for Preschool Children with Autism in the Community: The Discovery Approach in Yokohama, Japan [Texte imprimé et/ou numérique] / Hideo HONDA, Auteur ; Yasuo SHIMIZU, Auteur . - p.239-257. Langues : Anglais (eng) in Autism > 6-3 (September 2002) . - p.239-257 Index. décimale : PER Périodiques Résumé : The article reports on DISCOVERY, a conceptual model for a clinical system of early detection and early intervention in cases of autism that has been implemented in Yokohama, Japan. The minimal requirements for this system are subsystems dealing with detection, diagnosis and intervention. Specific issues involving early diagnosis that complicate the design of the system are the seemingly contradictory considerations of early versus precise diagnosis, the undifferentiated recognition of a child’s disorder on the part of the parents, and the difficulty of establishing cooperative working relationships among related facilities. To overcome these issues, an ‘interface’ linking consecutive subsystems is emphasized in the DISCOVERY model. A clinical system based on this model has been developed in Yokohama. This system not only benefits clinical performance, but will also add significantly to research on autism. En ligne : http://dx.doi.org/10.1177/1362361302006003003 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=209

Extraction and Refinement Strategy for detection of autism in 18-month-olds: a guarantee of higher sensitivity and specificity in the process of mass screening / Hideo HONDA in Journal of Child Psychology and Psychiatry, 50-8 (August 2009)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 50-8 (August 2009) . - p.972-981 Titre : Extraction and Refinement Strategy for detection of autism in 18-month-olds: a guarantee of higher sensitivity and specificity in the process of mass screening Type de document : Texte imprimé et/ou numérique Auteurs : Hideo HONDA, Auteur ; Yasuo SHIMIZU, Auteur ; Yukari NITTO, Auteur ; Miho IMAI, Auteur ; Takeshi OZAWA, Auteur ; Mitsuaki IWASA, Auteur ; Keiko SHIGA, Auteur ; Tomoko HIRA, Auteur Année de publication : 2009 Article en page(s) : p.972-981 Langues : Anglais (eng) Mots-clés : Autism early-detection screening sensitivity specificity pervasive-developmental-disorder Index. décimale : PER Périodiques Résumé : Background: For early detection of autism, it is difficult to maintain an efficient level of sensitivity and specificity based on observational data from a single screening. The Extraction and Refinement (E&R) Strategy utilizes a public children's health surveillance program to produce maximum efficacy in early detection of autism. In the extraction stage, all cases at risk of childhood problems, including developmental abnormality, are identified; in the refinement stage, cases without problems are excluded, leaving only cases with conclusive diagnoses. Methods: The city of Yokohama, Japan, conducts a routine child health surveillance program for children at 18 months in which specialized public health nurses administer YACHT-18 (Young Autism and other developmental disorders CHeckup Tool), a screening instrument to identify children at risk for developmental disorders. Children who screen positive undergo further observation, and those without disorders are subsequently excluded. To study the efficacy of early detection procedures for developmental disorders, including autism, 2,814 children born in 1988, examined at 18 months of age, and not already receiving treatment for diseases or disorders were selected. Results: In the extraction stage, 402 (14.3%) children were identified for follow-up. In the refinement stage, 19 (.7%) of these were referred to the Yokohama Rehabilitation Center and diagnosed with developmental disorders. The extraction stage produced four false negatives, bringing total diagnoses of developmental disorders to 23 (.8%) – including 5 with autistic disorder and 9 with pervasive developmental disorder – not otherwise specified (PDDNOS). Sensitivity was 60% for autistic disorder and 82.6% for developmental disorders. Specificity for developmental disorders rose to 100% with the E&R Strategy. Picture cards used in YACHT-18 provided a finer screen that excluded some false positive cases. Conclusions: An extraction and refinement methodology utilizing child health surveillance programs achieve high efficacy for early detection of autism. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02055.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=787 [article] Extraction and Refinement Strategy for detection of autism in 18-month-olds: a guarantee of higher sensitivity and specificity in the process of mass screening [Texte imprimé et/ou numérique] / Hideo HONDA, Auteur ; Yasuo SHIMIZU, Auteur ; Yukari NITTO, Auteur ; Miho IMAI, Auteur ; Takeshi OZAWA, Auteur ; Mitsuaki IWASA, Auteur ; Keiko SHIGA, Auteur ; Tomoko HIRA, Auteur . - 2009 . - p.972-981. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 50-8 (August 2009) . - p.972-981 Mots-clés : Autism early-detection screening sensitivity specificity pervasive-developmental-disorder Index. décimale : PER Périodiques Résumé : Background: For early detection of autism, it is difficult to maintain an efficient level of sensitivity and specificity based on observational data from a single screening. The Extraction and Refinement (E&R) Strategy utilizes a public children's health surveillance program to produce maximum efficacy in early detection of autism. In the extraction stage, all cases at risk of childhood problems, including developmental abnormality, are identified; in the refinement stage, cases without problems are excluded, leaving only cases with conclusive diagnoses. Methods: The city of Yokohama, Japan, conducts a routine child health surveillance program for children at 18 months in which specialized public health nurses administer YACHT-18 (Young Autism and other developmental disorders CHeckup Tool), a screening instrument to identify children at risk for developmental disorders. Children who screen positive undergo further observation, and those without disorders are subsequently excluded. To study the efficacy of early detection procedures for developmental disorders, including autism, 2,814 children born in 1988, examined at 18 months of age, and not already receiving treatment for diseases or disorders were selected. Results: In the extraction stage, 402 (14.3%) children were identified for follow-up. In the refinement stage, 19 (.7%) of these were referred to the Yokohama Rehabilitation Center and diagnosed with developmental disorders. The extraction stage produced four false negatives, bringing total diagnoses of developmental disorders to 23 (.8%) – including 5 with autistic disorder and 9 with pervasive developmental disorder – not otherwise specified (PDDNOS). Sensitivity was 60% for autistic disorder and 82.6% for developmental disorders. Specificity for developmental disorders rose to 100% with the E&R Strategy. Picture cards used in YACHT-18 provided a finer screen that excluded some false positive cases. Conclusions: An extraction and refinement methodology utilizing child health surveillance programs achieve high efficacy for early detection of autism. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02055.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=787

The earlier, the better? Diagnostic experiences of parents in a community-based early intervention system for preschool children with autism / Mitsuaki IWASA in Autism & Developmental Language Impairments, 4 (January-December 2019)  

Public ISBD [article]  inAutism & Developmental Language Impairments > 4 (January-December 2019) Titre : The earlier, the better? Diagnostic experiences of parents in a community-based early intervention system for preschool children with autism Type de document : Texte imprimé et/ou numérique Auteurs : Mitsuaki IWASA, Auteur ; Yasuo SHIMIZU, Auteur ; Ikuko HARA, Auteur ; Miho IMAI, Auteur ; Hideo HONDA, Auteur Index. décimale : PER Périodiques Résumé : Background and aimsIn many countries, early detection and diagnosis of autism spectrum disorder is largely dependent on parents? initial concern with early symptoms of autism spectrum disorder. Previous research on parental perceptions of the autism spectrum disorder diagnostic process indicates that parental satisfaction may be due to either the timing of the diagnostic notification or the provision of post-diagnostic support. The objective of this research is to study the diagnostic notification process and its impact on parents who are informed of their young child?s diagnosis before they notice a problem and whose child undergoes early intervention therapy.MethodsEighty parents of preschool children diagnosed and undergoing early intervention for autism were surveyed to examine their experience of the diagnostic disclosure process.ResultsOf 68 respondents, 39 (58.2%) approved of the timing of diagnostic notification, while 10 of 13 dissatisfied respondents indicated that the diagnosis was communicated too late. However, there was no correlation between a higher degree of parental satisfaction with the diagnostic notification process and earlier timing of notification.ConclusionsAlthough it is preferable to communicate a diagnosis of childhood autism as soon as possible, findings suggest that a highly individualized approach, allowing a degree of latitude in the timing of notification, may be permissible, depending on the individual case and parental readiness to receive the diagnosis.ImplicationsFindings have clinical implications related to the concept of optimality of diagnostic disclosure as related to the diagnostic notification process, though later notification tends to lead to more dissatisfaction. En ligne : https://doi.org/10.1177/2396941519845201 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=402 [article] The earlier, the better? Diagnostic experiences of parents in a community-based early intervention system for preschool children with autism [Texte imprimé et/ou numérique] / Mitsuaki IWASA, Auteur ; Yasuo SHIMIZU, Auteur ; Ikuko HARA, Auteur ; Miho IMAI, Auteur ; Hideo HONDA, Auteur. in Autism & Developmental Language Impairments > 4 (January-December 2019) Index. décimale : PER Périodiques Résumé : Background and aimsIn many countries, early detection and diagnosis of autism spectrum disorder is largely dependent on parents? initial concern with early symptoms of autism spectrum disorder. Previous research on parental perceptions of the autism spectrum disorder diagnostic process indicates that parental satisfaction may be due to either the timing of the diagnostic notification or the provision of post-diagnostic support. The objective of this research is to study the diagnostic notification process and its impact on parents who are informed of their young child?s diagnosis before they notice a problem and whose child undergoes early intervention therapy.MethodsEighty parents of preschool children diagnosed and undergoing early intervention for autism were surveyed to examine their experience of the diagnostic disclosure process.ResultsOf 68 respondents, 39 (58.2%) approved of the timing of diagnostic notification, while 10 of 13 dissatisfied respondents indicated that the diagnosis was communicated too late. However, there was no correlation between a higher degree of parental satisfaction with the diagnostic notification process and earlier timing of notification.ConclusionsAlthough it is preferable to communicate a diagnosis of childhood autism as soon as possible, findings suggest that a highly individualized approach, allowing a degree of latitude in the timing of notification, may be permissible, depending on the individual case and parental readiness to receive the diagnosis.ImplicationsFindings have clinical implications related to the concept of optimality of diagnostic disclosure as related to the diagnostic notification process, though later notification tends to lead to more dissatisfaction. En ligne : https://doi.org/10.1177/2396941519845201 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=402

The earlier, the better? Diagnostic experiences of parents in a community-based early intervention system for preschool children with autism / Mitsuaki IWASA in Autism & Developmental Language Impairments, 4 (January-December 2019)  

Public ISBD [article]  inAutism & Developmental Language Impairments > 4 (January-December 2019) Titre : The earlier, the better? Diagnostic experiences of parents in a community-based early intervention system for preschool children with autism Type de document : Texte imprimé et/ou numérique Auteurs : Mitsuaki IWASA, Auteur ; Yasuo SHIMIZU, Auteur ; Ikuko HARA, Auteur ; Miho IMAI, Auteur ; Hideo HONDA, Auteur Langues : Anglais (eng) Mots-clés : Autism  early diagnosis  parents  optimality in disclosure of the diagnosis Index. décimale : PER Périodiques Résumé : Background and aimsIn many countries, early detection and diagnosis of autism spectrum disorder is largely dependent on parents? initial concern with early symptoms of autism spectrum disorder. Previous research on parental perceptions of the autism spectrum disorder diagnostic process indicates that parental satisfaction may be due to either the timing of the diagnostic notification or the provision of post-diagnostic support. The objective of this research is to study the diagnostic notification process and its impact on parents who are informed of their young child?s diagnosis before they notice a problem and whose child undergoes early intervention therapy.MethodsEighty parents of preschool children diagnosed and undergoing early intervention for autism were surveyed to examine their experience of the diagnostic disclosure process.ResultsOf 68 respondents, 39 (58.2%) approved of the timing of diagnostic notification, while 10 of 13 dissatisfied respondents indicated that the diagnosis was communicated too late. However, there was no correlation between a higher degree of parental satisfaction with the diagnostic notification process and earlier timing of notification.ConclusionsAlthough it is preferable to communicate a diagnosis of childhood autism as soon as possible, findings suggest that a highly individualized approach, allowing a degree of latitude in the timing of notification, may be permissible, depending on the individual case and parental readiness to receive the diagnosis.ImplicationsFindings have clinical implications related to the concept of optimality of diagnostic disclosure as related to the diagnostic notification process, though later notification tends to lead to more dissatisfaction. En ligne : https://doi.org/10.1177/2396941519845201 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=408 [article] The earlier, the better? Diagnostic experiences of parents in a community-based early intervention system for preschool children with autism [Texte imprimé et/ou numérique] / Mitsuaki IWASA, Auteur ; Yasuo SHIMIZU, Auteur ; Ikuko HARA, Auteur ; Miho IMAI, Auteur ; Hideo HONDA, Auteur. Langues : Anglais (eng) in Autism & Developmental Language Impairments > 4 (January-December 2019) Mots-clés : Autism  early diagnosis  parents  optimality in disclosure of the diagnosis Index. décimale : PER Périodiques Résumé : Background and aimsIn many countries, early detection and diagnosis of autism spectrum disorder is largely dependent on parents? initial concern with early symptoms of autism spectrum disorder. Previous research on parental perceptions of the autism spectrum disorder diagnostic process indicates that parental satisfaction may be due to either the timing of the diagnostic notification or the provision of post-diagnostic support. The objective of this research is to study the diagnostic notification process and its impact on parents who are informed of their young child?s diagnosis before they notice a problem and whose child undergoes early intervention therapy.MethodsEighty parents of preschool children diagnosed and undergoing early intervention for autism were surveyed to examine their experience of the diagnostic disclosure process.ResultsOf 68 respondents, 39 (58.2%) approved of the timing of diagnostic notification, while 10 of 13 dissatisfied respondents indicated that the diagnosis was communicated too late. However, there was no correlation between a higher degree of parental satisfaction with the diagnostic notification process and earlier timing of notification.ConclusionsAlthough it is preferable to communicate a diagnosis of childhood autism as soon as possible, findings suggest that a highly individualized approach, allowing a degree of latitude in the timing of notification, may be permissible, depending on the individual case and parental readiness to receive the diagnosis.ImplicationsFindings have clinical implications related to the concept of optimality of diagnostic disclosure as related to the diagnostic notification process, though later notification tends to lead to more dissatisfaction. En ligne : https://doi.org/10.1177/2396941519845201 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=408

Twenty-year longitudinal birth cohort study of individuals diagnosed with autism spectrum disorder before seven years of age / Mitsuaki IWASA in Journal of Child Psychology and Psychiatry, 63-12 (December 2022)  

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