alte studii

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alte studii

Postby simona » Fri Feb 09, 2007 12:09 pm

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Postby vali » Tue Jan 20, 2009 8:51 pm

Testul de saliva poate diagnostica autismul
Luni, 19 Ianuarie 2009
Potrivit unui cercetator italian, testul de saliva poate ajuta doctorii la diagnosticarea autismului, acordand posibilitatea copiilor cu tulburari de dezvoltare sa inceapa tratamentul la timp.
Cercetatorii vor trebuie sa confirme rezultatele studiului eliberate in aceasta luna, la care au participat 27 persoane cu autism. Pana atunci "se pune mare speranta pe studiile realizate in viitor, dar si acest studiu ofera o noua posibila abordare a afectiunii numita autism", a declarat specialistul Dr. Andrew Zimmerman, medic pediatru si neorolog si directorul centrului medical de cercetare Centrul pentru Autism si Afectiuni Relationate la Institutul Kennedy Krieger.

Astfel, cercetatorii au demonstrat ca saliva a 18 din cei 27 de pacienti cu autism elibereaza proteine necunoscute, anormale. Este posibil ca aceste proteine sa fie un semn legat de problemele creierului, dezvoltate in timpul sarcinii, a precizat autorul studiului, Massimo Castagnola, cercetator la Universitatea Catolica din Roma.

Pe viitor este necesar ca cercetatorii sa determine legatura dintre rezultatele testelor si semnele autismului, sustin cercetatorii. Zimmerman, familiar fiind cu studiile si descoperirile, sustine ca autismul are mai multe forme, si proteinele din saliva "s-ar putea sa nu fie corelate cu anumite tipuri de pacienti cu autism, si se mai poate ca aceasta descoperire sa nu fie veridica in timp".

Sursa: Healthy Day
www.topsanatate.ro/articol/testul-de-sa ... 27838.html
Bogdan, august 2002, TPD, a facut ABA la "Cristi's Outreach Foundation" .
vali
 
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studiu privind relatia nastere prematura/autism

Postby UP » Thu Jan 29, 2009 4:41 pm

WASHINGTON (Reuters) - A U.S. study looking at children born more than three months prematurely provided fresh evidence on Thursday linking pre-term birth and autism.

These children were about two to three times as likely to show signs of autism at age 2 as measured in a standard screening tool compared to other children, the researchers wrote in the Journal of Pediatrics.

Autism refers to a group of developmental problems known as autism spectrum disorders that appear in early childhood and harm one's ability to communicate and interact with others.

Its causes remain unclear, and experts have pointed to possible genetic and environmental factors.

Dr. Karl Kuban of Boston University School of Medicine and Boston Medical Center, who led the study, said the increased risk for autism indicated in these children may not be directly caused by being born prematurely.

Instead, it is possible that whatever causes a child to have autism also may force an early birth, Kuban said in a telephone interview.

Following earlier research suggesting a link to pre-term birth, the researchers followed 988 U.S. children born very prematurely, at least three months before their due date.

At age 2, the children were evaluated using a screening method in which they are rated on a checklist of 23 behaviors for signs of autism. This tool flags children who may have autism but is not considered a definitive diagnosis.

Typically, a formal diagnosis of autism does not occur until around age 3, Kuban said.

While under 6 percent of children born full-term screen positive for possible autism using this tool, 21 percent of these children scored positive, the researchers said.

Because pre-term babies may have certain developmental problems unrelated to autism that could trigger a positive score, the researchers then excluded children with motor, vision and hearing impairments. Even after doing that, 16 percent of the children scored positive for possible autism.

After also excluding children with cognitive impairment on the premise that it may not be autism related, about 10 percent of the pre-term children still had a positive screening score.

Pre-term birth is associated with a long list of health risks for a baby such as mental retardation, cerebral palsy, lung problems and vision and hearing loss.

About one in 150 U.S. children has an autism spectrum disorder, according to U.S. government figures.
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articol interesant

Postby iapetrei » Fri Mar 27, 2009 7:51 pm

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