Autism Is Not Associated With Childhood Infections

Autism Is Not Associated With Childhood Infections.


Infections during emergence or boyhood do not seem to raise the risk of autism, new research finds. Researchers analyzed family records for the 1,4 million children born in Denmark between 1980 and 2002, as well as two popular registries that keep track of infectious diseases communis. They compared those records with records of children referred to psychiatric wards and later diagnosed with an autism spectrum disorder.



Of those children, almost 7400 were diagnosed with an autism spectrum disorder. The go into found that children who were admitted to the infirmary for an catching disease, either bacterial or viral, were more likely to receive a diagnosis of autism spectrum disorder proextender in naperville. However, children admitted to the clinic for non-infectious diseases were also more likely to be diagnosed with autism than kids who were never hospitalized, the look at found.



And the researchers could point to no particular infection that upped the risk. They therefore conclude that youth infections cannot be considered a cause of autism. "We find the same relationship between hospitalization due to many different infections and autism," well-known lead study author Dr Hjordis Osk Atladottir, of the departments of epidemiology and biostatistics at the Institute of Public Health, University of Aarhus in Denmark. "If there were a causal relationship, it should be offering for predetermined infections and not provide such an overall pattern of association".



The study was published in the May broadcasting of the Archives of Pediatrics & Adolescent Medicine. Autism is a neurodevelopmental disorder that is characterized by problems with sexual interaction, verbal and nonverbal communication, and restricted interests and behaviors. The ubiquitousness of autism seems to be rising, with an estimated 1 in 110 children affected by the disorder, according to the US Centers for Disease Control and Prevention.



Despite significant effort, the causes of autism endure unclear, although it's believed both genetic and environmental factors contribute, said Dr Andrew Zimmerman, chief honcho of medical enquiry at the Center for Autism and Related Disorders at Kennedy Krieger Institute in Baltimore. Previous examination has suggested that children with autism are more likely to have immune system abnormalities, peerless some to theorize that autism might be triggered by infections.



Some parents of children with autism have also reported that their children have more usual infections. While a few studies have shown children with autism may suffer slightly more ear and respiratory infections compared to normally developing children, others found no such connection. In addition, there are anecdotal reports of children developing autism after critical infections such as meningitis or encephalitis.



In the study, researchers searched for any relevance between those definite illnesses, as well as a host of others, including bacterial, viral and fungal infections, and respiratory illnesses, herpes virus and urinary quarter infections, specifically. They came up void handed. "Yes, there is an increased rate of hospitalization preceding the diagnosis of autism, but it doesn't finances a causal relationship between autism and infections".



There is a wide range of reasons why children with autism may be more inclined to to be hospitalized for an illness, the study authors said. For example, autistic children could be more reclining to physical illnesses, either due to autism or other medical conditions. Parents of children with autism ordinarily report that their children are prone to gastrointestinal problems, such as chronic diarrhea and constipation. Some estimates put the handful of kids with autism and gastrointestinal difficulties at 40 percent.



Another reason kids with autism might be more indubitably to be hospitalized for infectious or other illnesses is that their parents are worried about their child's development and are therefore more likely to hunt out medical care. More medical visits might also help prompt an autism diagnosis. "It could be that medical professionals think over the developmental problems in the child and refer the child further to a child psychiatrist".



Although this memorize found no link between autism and childhood infections, prenatal infections - particularly during the outset and second trimesters - may up the chances children will have autism, prior research has found. A inquiry published online April 23 in the Journal of Autism and Developmental Disorders by the same body of researchers found a link between autism and hospitalization for maternal viral infection in the first trimester, such as flu, and bacterial infection in the aid trimester high society r d mohila k chudlam. Children whose mothers had a viral infection requiring hospitalization during the principal trimester had nearly three times the risk of a later autism diagnosis, according to that study.

tag : autism children infections disorder study medical likely viral child

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