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Exploring genetic testing requests, genetic alterations and clinical associations in a cohort of children with autism spectrum disorder.

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Title: Exploring genetic testing requests, genetic alterations and clinical associations in a cohort of children with autism spectrum disorder.
Authors: Garrido-Torres, Nathalia, Marqués Rodríguez, Renata, Alemany-Navarro, María, Sánchez-García, Javier, García-Cerro, Susana, Ayuso, María Irene, González-Meneses, Antonio, Martinez-Mir, Amalia, Ruiz-Veguilla, Miguel, Crespo-Facorro, Benedicto
Source: European Child & Adolescent Psychiatry. Nov2024, Vol. 33 Issue 11, p3829-3840. 12p.
Subjects: Genetics of autism, Research funding, Child psychopathology, Child psychiatry, Decision making, Descriptive statistics, Disease prevalence, Fragile X syndrome, Chromosome abnormalities, Body dysmorphic disorder, Family history (Medicine), Longitudinal method, Intellectual disabilities, Attitudes of medical personnel, Microarray technology, Genetic mutation, Asperger's syndrome, Genetic testing, Comorbidity, Algorithms, Phenotypes, Children
Abstract: Several studies show great heterogeneity in the type of genetic test requested and in the clinicopathological characteristics of patients with ASD. The following study aims, firstly, to explore the factors that might influence professionals' decisions about the appropriateness of requesting genetic testing for their patients with ASD and, secondly, to determine the prevalence of genetic alterations in a representative sample of children with a diagnosis of ASD. Methods: We studied the clinical factors associated with the request for genetic testing in a sample of 440 children with ASD and the clinical factors of present genetic alterations. Even though the main guidelines recommend genetic testing all children with an ASD diagnosis, only 56% of children with an ASD diagnosis were genetically tested. The prevalence of genetic alterations was 17.5%. These alterations were more often associated with intellectual disability and dysmorphic features. There are no objective data to explicitly justify the request for genetic testing, nor are there objective data to justify requesting one genetic study versus multiple studies. Remarkably, only 28% of males were genetically tested with the recommended tests (fragile X and CMA). Children with dysmorphic features and organic comorbidities were more likely to be genetic tested than those without. Previous diagnosis of ASD (family history of ASD) and attendance at specialist services were also associated with Genetically tested Autism Spectrum Disorder GTASD. Our findings emphasize the importance of establishing algorithms to facilitate targeted genetic consultation for individuals with ASD who are likely to benefit, considering clinical phenotypes, efficiency, ethics, and benefits. [ABSTRACT FROM AUTHOR]
Copyright of European Child & Adolescent Psychiatry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Exploring genetic testing requests, genetic alterations and clinical associations in a cohort of children with autism spectrum disorder.
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  Data: <searchLink fieldCode="AR" term="%22Garrido-Torres%2C+Nathalia%22">Garrido-Torres, Nathalia</searchLink><br /><searchLink fieldCode="AR" term="%22Marqués+Rodríguez%2C+Renata%22">Marqués Rodríguez, Renata</searchLink><br /><searchLink fieldCode="AR" term="%22Alemany-Navarro%2C+María%22">Alemany-Navarro, María</searchLink><br /><searchLink fieldCode="AR" term="%22Sánchez-García%2C+Javier%22">Sánchez-García, Javier</searchLink><br /><searchLink fieldCode="AR" term="%22García-Cerro%2C+Susana%22">García-Cerro, Susana</searchLink><br /><searchLink fieldCode="AR" term="%22Ayuso%2C+María+Irene%22">Ayuso, María Irene</searchLink><br /><searchLink fieldCode="AR" term="%22González-Meneses%2C+Antonio%22">González-Meneses, Antonio</searchLink><br /><searchLink fieldCode="AR" term="%22Martinez-Mir%2C+Amalia%22">Martinez-Mir, Amalia</searchLink><br /><searchLink fieldCode="AR" term="%22Ruiz-Veguilla%2C+Miguel%22">Ruiz-Veguilla, Miguel</searchLink><br /><searchLink fieldCode="AR" term="%22Crespo-Facorro%2C+Benedicto%22">Crespo-Facorro, Benedicto</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22European+Child+%26+Adolescent+Psychiatry%22">European Child & Adolescent Psychiatry</searchLink>. Nov2024, Vol. 33 Issue 11, p3829-3840. 12p.
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  Data: Several studies show great heterogeneity in the type of genetic test requested and in the clinicopathological characteristics of patients with ASD. The following study aims, firstly, to explore the factors that might influence professionals' decisions about the appropriateness of requesting genetic testing for their patients with ASD and, secondly, to determine the prevalence of genetic alterations in a representative sample of children with a diagnosis of ASD. Methods: We studied the clinical factors associated with the request for genetic testing in a sample of 440 children with ASD and the clinical factors of present genetic alterations. Even though the main guidelines recommend genetic testing all children with an ASD diagnosis, only 56% of children with an ASD diagnosis were genetically tested. The prevalence of genetic alterations was 17.5%. These alterations were more often associated with intellectual disability and dysmorphic features. There are no objective data to explicitly justify the request for genetic testing, nor are there objective data to justify requesting one genetic study versus multiple studies. Remarkably, only 28% of males were genetically tested with the recommended tests (fragile X and CMA). Children with dysmorphic features and organic comorbidities were more likely to be genetic tested than those without. Previous diagnosis of ASD (family history of ASD) and attendance at specialist services were also associated with Genetically tested Autism Spectrum Disorder GTASD. Our findings emphasize the importance of establishing algorithms to facilitate targeted genetic consultation for individuals with ASD who are likely to benefit, considering clinical phenotypes, efficiency, ethics, and benefits. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Child & Adolescent Psychiatry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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