Thursday, April 21, 2016

National Board believes MRI for age determination – Today’s Medicine

The Board has analyzed the 1400 scientific articles related to diagnostic imaging using X-rays of bones and teeth and examination of skeletons with MRI. National Board concluded that studies of the knee joint with MRI has the potential to reduce the risk that a child is mistaken for an adult.

The reason is that the knee joint ripen later than the wrist.

– The knee joint matures at age 24. If you have a mature knee can safely say that you are over 18 years, says Carl-Erik Flodmark, a medical expert on the National Board.

The risk of mistaking a child for an adult with this method is between three and seven per cent, compared with 12 per cent risk at hand or dental X-rays.

the issue of medical age assessment of asylum-seekers young has long been infected. Migration Board needs to determine whether an applicant is over or under 18 has collided with experts criticized the methods used.

Now, suggests the National Board of a pilot study with a few thousand individuals to further investigate precisely MRI of the knee joint. One criticism made earlier is that research conducted in Western youths, while asylum seekers from other parts of the world. In the pilot study hopes Carl-Erik Flodmark get with different ethnicities.

– You could watch the first and second generation immigrants.

According to Carl-Erik Flodmark has 40 per cent of 18-year-olds a complete adult knee and 71 percent of 20-year-olds.

About 40 percent of 18-year-olds had completed adult knee ought to some of the 17-year-olds also have it?

– the point is that it is not so. But the study we looked at was a few hundred cases, so there is a statistical uncertainty. But there was a very sharp boundary. Then we’ll see if it holds in other contexts.

– But that is precisely why we need to do a pilot study to verify this.

Paediatric Society Anna Bärtås satisfied with the decision.

– We are happy the National Board of Health has made such a thorough review, and that gives us the right to methods of hand and dental X-rays should not be used.

But regardless of the method used is the risk that the individual maturity ranges, according to Anna Bärtås.

– It is we of. You can not stop a person in an x-ray machine and get the age.

If you get the green light would pilot study to take about six months.

Although the SBU, the Swedish Council on Technology and social evaluation, presented a study of non-radiological methods for age assessment. Of the over 15 000 items were judged not provide a scientific basis for these methods.

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