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PostPosted: Tue Jan 28, 2014 7:12 pm 
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Joined: Thu Dec 20, 2007 7:23 pm
Posts: 827
Location: Kingston
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A NEW and less invasive testing method for peanut allergy has been developed at John Hunter Children’s Hospital - and will help in the search for a cure.

To diagnose a peanut allergy, a child is sometimes required to eat some the nut so the severity of the reaction can be monitored and a treatment plan developed.
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Called food challenges, the test is always done at a hospital because of the risk of a severe anaphylactic reaction.

Staff specialist for paediatric allergy and immunology Dr Rani Bhatia and her research team have found a way to avoid this traumatic experience.

“It is a breathing test to measure the chemical in the breath which is nitric oxide,” she said.

“If there is a lot of the chemical it is bad and you can use it to predict how severe the allergic reaction will be.”

Dr Bhatia said it was hoped that this would reduce food challenges by 70 per cent.

She said the breathing test combined with a blood test, would mean improved accuracy in the diagnosis.

“There is also a blood test that can measure the specific biomarkers,” she said.

“The blood test has been around for a while now - the novel thing we are doing is measuring the breath.

“It means we’re able to predict if they are going to have a severe allergic reaction to the peanut.”


http://www.theherald.com.au/story/20506 ... gy/?cs=305

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