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Oxygen Therapy Could Lead to Improvement in Autistic Children’s Behaviour

by Gopalan on  March 19, 2009 at 5:41 PM Research News   - G J E 4
Oxygen Therapy Could Lead to Improvement in Autistic Children’s Behaviour
Oxygen therapy could lead to improvement in autistic children's behaviour. Flow of oxygen to brain tissue could be the key factor behind the phenomenon, US researchers say.
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After 40 hours of hyperbaric treatment, autistic children showed significant improvements in social interaction and eye contact compared with controls.

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Hyperbaric treatment - effectively giving high concentrations of oxygen at increased atmospheric pressure - has been shown to have some benefit in other neurological conditions such as foetal alcohol syndrome and cerebral palsy.

In the latest study, carried out at six centres in the US, 62 children aged two to seven with autism were randomly assigned to receive 40 hours of treatment over a month with 24% oxygen at increased atmospheric pressure (1.3 atm) or normal air in a slightly pressurised room (1.03 atm).

Children who received the treatment showed significant improvements in overall functioning, receptive language, social interaction, eye contact, and sensory or cognitive awareness.

In all, 30% in the treatment group were rated by doctors as ''very much improved'' or ''much improved'' compared with 8% of those in the control group.

Overall, 80% in the treatment group improved compared with 38% of controls.

Study leader, Dr Dan Rossignol from the International Child Development Resource Centre, in Florida, said the use of hyperbaric therapy for autism has been gaining popularity in the US where parents can buy their own hyperbaric chamber if they have a spare $14-17,000.

He said the findings would be quite controversial and he too was initially very sceptical of the idea but was prompted to do more research after the treatment showed benefits for his two sons who have autism.

''We're certainly not talking about a cure, we're talking about improvements in behaviour, improving certain functions and quality of life.

''The next step is to try to find out which kids do respond, because it's an expensive treatment - it may be that kids with more inflammation respond better. ''The next step is to try to find out which kids do respond, because it's an expensive treatment - it may be that kids with more inflammation respond better.

''It would also be nice to know how long the treatment lasts, and the finding needs to be confirmed.''

Richard Mills, research director at Research Autism, said this was the first well-designed study looking at the therapy.

''We know this kind of therapy is useful in a number of neurological conditions and that's been well established.

''What we don't know is how useful it is in autism, what we could be seeing is an improvement in other neurological conditions that go alongside autism.

''We also don't know about long-term effects - it could be a transitory effect.''

Professor Philip James, an expert in hyperbaric medicine at the University of Dundee, warned that even if proven, the treatment may not be for everybody.

''When you have any condition, there are people who have too much damage to get better.''

''All the oxygen is doing is bringing things towards normal.''

Source: Medindia
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