UK TMAU Testing Crisis

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UK TMAU Testing Crisis

Postby malory » Fri Mar 02, 2018 1:40 pm

Universtiy College London Hospital hosted another TMAU patient group meeting on 1st March 2018. It involved the scientists from Sheffield Children's Hospital describing their new testing method in detail. However, UK sufferers have noticed that the SCH testing method (adopted since 2017) isn't detecting many of our odour problems. Failure to diagnose new patients will result in our 'official numbers' falling even further (and they already do not accurately reflect the true extent of malodour conditions!!). The implications affect all of us: TMAU services and NHS provision could gradually be withdrawn; malodour conditions could become even less significant in the eyes of the medical institutions, and GPs could have even greater power to refuse patients for NHS testing as, according to Sheffield Children's Hospital statistics, TMAU is now a very rare condition in the UK.

We suspect that the new SCH methodology is just not capturing most of the malodour cases. It is no longer fit for purpose, so let's take this opportunity to move on from the concept of ‘TMAU negative’ diagnoses and insist on a new test, which reflects our numbers more accurately. It is paramount that we:
a) establish a better test, which could hopefully include more volatiles - not just TMA.
b) encourage other laboratories (namely UCLH) to take on the test as well.

Basically we need a National Programme, and the test is the starting point. Following on from the establishment of a test which is fit for purpose, we can then ask for a webpage on the hospital sites (Sheffield Children's Hospital, UCLH website, for example) which informs people about the numbers of tests requested etc. We could also request an annual TMAU/malodour conference to discuss the progress of research in the area. We could also request that people be able to pay to test directly with the lab when GPs don't cooperate.

What we can do
Email all the labs and departments that refer people for testing such as UCL. The contact details are:

CONTACTS:
E: Contact Prof Simon Heales at UCLH via http://www.metbio.net/metbioLaboratories.asp?lid=23

gst-tr.ELCHAdultMetabolicReferrals@nhs.net
peter.galloway@ggc.scot.nhs.uk
chris.hendriksz@srft.nhs.uk
Tarek.Hiwot@uhb.nhs.uk
debbie.mann@uclh.nhs.uk
helena.kemp@nbt.nhs.uk

Ideas for e-mail:
One of the key elements of the UK Strategy for Rare Diseases is better education/training for health professionals to ensure earlier diagnosis and access to treatment. Another key element is the promotion of the UK as a world leader in research and development in this field. Page 31 of the strategy also advocates that patients have a say in decisions about treatment and in the planning, evaluation and monitoring of services.

As regards Trimethylaminuria and metabolic malodour disorders, we have much to do to even come close to these objectives.

Past and current testing procedures
Currently, the NHS recognises the condition of TMAU but offers an inadequate testing option. The urine test offered to diagnose the disorder has become unreliable and unfit for purpose. Testing, which occurs at Sheffield Children’s Hospital, now involves a new method, and positive test results have plummeted. The TMAU community are not criticising either Sheffield’s new method or Nigel Mannings’s method (used from 1997 to 2016), but we are adamant that a new test urgently needs to be put in place if we are to detect the many cases of malodour disorder which do not appear in official statistics. The consistent under-reporting of malodour sufferers on the TMAU/malodour spectrum over the years has resulted in there being a very haphazard approach to this disorder. The most significant consequence is that those who test negative are not given any support. As malodour sufferers are more prone to suicide in cases where there is increased isolation, the community feels a National TMAU/Malodour Programme should be in place which should not only ensure more accurate methods of testing but also offer a coordinated approach to supporting patients.

Future testing procedures
We are, therefore, demanding that a new test is devised and that it takes into account the work of Professor Ron Wevers and includes tests for other volatiles (hydrogen sulfide, methanethiol, cysteamine, dimethyl sulfide): http://www.ru.nl/english/people/wevers-r-a/

Additional laboratories to offer testing
We believe that more laboratories, not just Sheffield Children’s Hospital, should be taking on responsibility for the testing service, and we would like the clinical scientists at UCL and other laboratories to consider our proposals.


https://youtu.be/_y-vkGYVRDQ
Full article: https://www.nature.com/articles/s41588- ... omeweb.com
malory
 
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