Healthdirect Australia and the Australian Health Thesaurus

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Healthdirect Australia and the Australian Health Thesaurus
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A recording of a presentation from James Humffray (HealthDirect Australia) for the June 2017 AVSIG meeting. James discusses the role of the Australian Health Thesaurus as an integral support for services provided by HealthDirect Australia.
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yes sir my name is James I'll pray on the information manager at health direct Australia and I'm going to show you about our Australian health to Saurus which I manage and how I can show you what it looks like and how we use it and what are the current developments we're going to be applying it to as well okay so first of all who is health direct
Australia now we were established by a co AG in 2006 I was actually Tony Abbott when he was the health minister in the Howard government is set us up to try to release the burden on on on Medicare by providing tools telehealth services who are nasara are known initially as the National Health call centre network and we ran the up Towers GP helpline service and nurse triage and they about five or six years ago they actually came in into moved into digital health services and we took over the management of the health insight website so we have a mandate to work with them the federal and state jurisdictions to address their key priorities and challenges within the health aging and the social services sectors we we have a number of products
and services the main one is our health direct website which was initially known as as health insight this site contains a lot of our health information articles which we produce ourselves we have links to partner content as well so we have 30,000 links from peak health bodies such as asthma Australia Heart Foundation beyondblue and organizations such as that so we act as a portal to their content we have a symptom checker service where you can see help the severity of your symptoms and you can also go and find services in your local area such as doctors hospitals emergency departments and also specialist and we also have medicines Meishan which I'll get onto later on
another website is the pregnancy birth and baby website for for go to a pregnant or having babies there also contains health information articles and links to apartment content as well we
also managed to my aged care website on behalf of the federal government that has our similar services on the site we
have a carry gateway service as well for those people who identify as carers of others who are disabilities or frail or aged and another service is the national
health services directory which is used to our service finder this is where we have a database of all the GP pharmacist emergency pubs etc now the main reason I'm showing you those sites and products is because our thesaurus that I manage is used on all of those sites and helps contribute to it the than if you can see
that slide the other video is of the faces is covering over the vital statistics on here but the authorities a medical and Health and Human Services related thesaurus and has the human services related to cater for the aged care and the carer gateway the certificates are covering up on the website from the video there but there are basically over 5,000 concepts in the personas there are 27 concept schemes and there are giving nine thousand synonyms or alternative labels um the concepts kind of reflects the current Australian health and human service environment and adult we use it because it's integral to our the search and discovery of our content on our websites and services used to improve the users such experience but the main thing about it is that it is consumer focused most health terminologies and taxonomies are clinically related so therefore the medical profession or for researchers but we have a consumer focus and that cause raises a number of challenges for us so let's have a look at the Souris at
the moment so on the left hand side of the screen you can see our concept schemes and you can see we have ones such as Anatomy there's chemicals and drugs this week put our medicines information we have diseases and disorders equipment and supplies facilities if you work your way down we have symptoms and techniques and things like that so there the main concept schemes within with thesaurus if I select one of those schemes on you confirm the right hand side there I've selected the diseases and disorders scheme and I've worked my way through the hierarchy through digestive system diseases down through digestive system cancers and one I selected on the screen there is gastrointestinal cancers that's one in orange it has a number for after which means that there are up four other concepts narrower concepts blurred er um
once you select one of the concepts you're actually looking at the the software that we use we use pool-party to manage out thesaurus and you can see what it's showing you at the moment is the scholars view which is the simple knowledge organization system review which is basically the broader narrower and related concepts relationships we can also match it to a another concept in another reference set such as and one at the moment got there is a reference to mesh which is the medical subject headings which I'll tell more about that later along on the right hand side you can see some of the attributes and such as the preferred label and the alternative label here and you can see we have gi T cancers as a synonym might also notices another little tab just up above there called clinical relationships if I click on that you get
another screen here which is on basically this is their own custom schemers that we have developed ourselves basic around ontology and the one life the concept I've selected on the screen is Emily Tripp Killeen which is a medicine and active ingredient the wrister concept schemed we've found because throw the custom schemer with credit our own relationships so we can made a relationship between this active ingredient and the conditions and and also we can do it to symptoms it's used in surgical procedures and also using diagnostic procedures as well so we can fill that out by making those relationships we're not really using that at the moment but if you look on the right hand side we have the attributes most of this custom schema and this is where we've mapped it to other data another other data sets and he envied we've got the AMT ID the AMT is Australian medicine terminology which is a naming standard use forum of the pharmaceutical systems in Australia we also got a case number which is a chemical number we have the drug Bank ID as well and you'll also notice there's one there called the beers criteria now that doesn't tell you is that ingredient is used in know your your fosters or your to is knew what it refers to is the it's a list of ingredients that are inappropriate to prescribe to older people and so we just got some boolean logic there and we also have down there the pregnancy category you see we have prints a category C and I think remember that C it means that there is a risk to use this medicine if you are pregnant and I'll show you how we're using those own those attributes later on
now the thesaurus is originally developed by the Department of Health and Ageing in about 2000 and it was based on a mesh which is maintained by the u.s. Library of Medicine they do is to classify their big medical databases and sites such as pubmed in MEDLINE plus and we took over the management of it about four or so years ago and there's a number of different criteria we use to update and maintain the thesaurus we've actually made quite few changes since we've we've taken over that management of it and we use use analytics to help determine whether new terms of need to to add to the thesaurus because they're consumer focus we can analyze what people say to you on the website to see it does it does this term existing with the thoris if not we should added in a press label or or an alternative label we also respond to current news developments for example when the Zika virus outbreak hit Australia a couple of years ago the first time in Australia so therefore we didn't actually have that concept any of the Saurus so we we added it to the thesaurus and we also do become environmental research analysis but for specific purposes and when we launched our managed care website we needed to go and analyze what are the reporting a huge corpus of each care content and use our software to analyze the terms that were used and therefore we can identify concepts that needed to added to the aged care schemes
also number elements of other classification encoding systems here these are mostly the clinical ones I was talking about before you still need reference to them so there's a reference here to ICD 10 which is a international classification of diseases but so will help organization the classification system used to for reporting purposes we've got the dsm-5 which is for mental disorders an example here is that the concept that we know of as as autism when dsm-5 was released a couple years ago the actual term now used by the profession is autism spectrum disorders so that's another sitting then we are added to our fedoras we've got the anatomical therapeutic chemical classification scheme which is about body systems and the medicines that work on those body systems I've got mesh down there as well and the big one is is sno-med which is C it's the global classification system used for health records so we're actually going to a process of mapping to each at the moment and I'll give it more information about that a little bit later so how do we use the Australian
health asaurus we in many disciplines occasion purposes we have two types of main content it's a local content which we developed ourselves we write it ourselves and we have an automatic classification process we apply concepts to it and we also have those 30,000 partner links as well so we harvest the link thing and we metadata from the source code is classified against bit thesaurus what that does then if allow us to use the classifications in the ranking in the search results so if user typed in a search if that term is one of the other surahs terms there will be get sort of number one ranking in the algorithm is that term you've seen in the title gets the second ranking if it's an end in description its what further right down left down the order them so it's not quite important to to help with the relevance in the search results it's also use for the auto suggestion so when our user starts typing into the search field after a couple of letters are typed in it will then pull concepts from the source as suggestions for them to to select we can also display some more contextual items on the websites for example if you were on a page about asthma and that page has been classified with the concept asthma then we can display the symptom checker flow for asthma because it's also classified with asthma as well so that basically map matching we can contextually put pieces onto the website to decide more useful information for the for the user we also have used the asuras to manage our medicines data and this has been a big piece of work and what we have done what
we set is we developed our own terminology service where we use the asuras as the as the main control list form for medicines so we'll add in the active ingredients or medicinal products into the theater Saurus and if I showed you before it has a reference to the B's criteria and also the TGA of the pregnancy database we also pull in other data from other sources such as Therapeutic Goods Administration the Australian medicines terminology and also data from the PBS so if the medicine is actually listed on the PBS and as of a couple of weeks ago we actually launched images of pills which we're pulling in from Guild link which is the commercial arm of the pharmacy Guild Australia so within the terminology service it's all in RDF format and we can just pull that data onto the website based on that user search
on this an example some of the information is on a page that are presented to earth to a user you can see here on the top right hang a top left-hand corner here we've got there the brand name and we trip Deline you can see that there's a little box here that says our active ingredient over 65 years of age if you're over 65 years of age there may be specific risks and recommendations for use of this medicine please discuss with your pharmacist doctor or health professional now that that flag there is only coming from the front that contribute within the within the thesaurus we've got the boolean logic true under the beers criteria you can also say we're pulling other information there from the TGA about the packs the type of pack and how you can store it there's a link there to go to PDF on the right hand side you've got more information about the medicine itself give the appearance of it dosage form with route of administration and of course right in the middle there there's an example of some of the images that were premium but there's a source of being used as the main control use for this that that is the that manages all the rest the other data I mentioned
before about the mapping to sno-med the Australian medicine terminology as of last year is never to a subset of sno-med so we've already done that nothing already what we want to do now is nap together conditions the procedures the techniques within sno-med come that will give us access to a number of other classification coding systems that sno-med is already mapped to such as link which is used for pathology I CPC is a primary care classification system and the body map to the icd-10 which is speak diseases coding system as well so we'll be using linked data techniques to try to to link to other datasets so pulling that data to add more value to our our webpages but there's another even more important one that we're doing first and that's so obvious an example
here with page of the mapping with sno-med that we're using a tool developed by the CSIRO and of course Napa and you can see the first two columns here the first columns are the URI of our concepts and you've got one of it up next columns are prepped label then you've got the sno-med ID the third column and the sno-med label in the fourth column so we're going to a mapping process once we have those mappings we can then add the SLO net ID as an attribute to these thesaurus terms the main use case we're starting off
with though is that we're going to be integrating our app we see my health record and you may have known that the in the last budget the government announced when the every Australian will have a health record and the locators are some amount of money to that as well so we're just developing a prototype at the moment and you can see on the left-hand screen here we've got a access to the view my health record virtual health record comes up you can actually see one of the medications you've been prescribed with or the allergies your doctor hosers said you have what are your recent Medicaid benefits and we're trying to integrate as many of our services into this my health record down the right-hand side into lists there are some red medicines that are prescribed with the idea that what we try to do is if you if you are not sure what that medicine is you can click on that will display around content pages which can provide more context to a user by doing the mapping to sno-med and the other conditions procedures the idea is that if you can if you see a procedural condition on your health record that you are not sure of what it is we want to be able to get the user to click on that Turnham and to expose their and display her own content pages other things that we're
doing is wrestling to using natural language processing under our websites now also this asaurus is going to be used as an integral to that and also with the some chat bots and web chats as well so the source will be powering those other services so I think that's all my time that I've been allocated I think it's my 15 minutes are up so you've got any other questions later that I can answer today please contact me on on the email address on the screen that the limit