Hi Melanie,

I can get in first since Hugh will be /should be asleep!!

The answer is yes. EQL is now referred to as AQL. I saw a demo recently and
it is starting to look really impressive.

More here:

http://www.openehr.org/wiki/display/spec/openEHR+Query+Specifications

although things have moved on from there quite a bit within the Ocean
implementation.

Ian

Dr Ian McNicoll
office / fax  +44(0)141 560 4657
mobile +44 (0)775 209 7859
skype ianmcnicoll
ian.mcnicoll at oceaninformatics.com
ian at mcmi.co.uk

Clinical Analyst  Ocean Informatics openEHR Archetype Editorial Group
Member BCS Primary Health Care SG Group www.phcsg.org / BCS Health Scotland



2009/11/13 Melanie Spath <melanie.spath at gmail.com>

> Hi Hugh,
>
> Just a quick question, is AQL related to EQL (referring to: MEDINFO 2007,
> EHR Query Language (EQL) ? A Query Language for Archetype-Based
> Health Records, by Chunlan Ma, Heath Frankel, Thomas Beale, Sam Heard)?
>
> Thanks for the answer.
>
> Melanie.
>
>
> On Thu, Nov 12, 2009 at 3:18 AM, Hugh Leslie <
> hugh.leslie at oceaninformatics.com> wrote:
>
>>  Hi Melanie
>>
>> We have also just completed a project for an Australian cancer
>> epidemiology center where we converted all their 20 years of data to openEHR
>> - about 1.5 million compositions and 25GB of data.  To do this we had to do
>> a lot of modeling (although in the end, they did most of that themselves)
>> and that experience and some of the archetypes that came out of it might be
>> of interest to you.  They are now doing poplulation queries across the whole
>> dataset using AQL.  Very exciting!
>>
>> regards Hugh
>>
>>
>> On 11/11/2009 9:51 PM, Melanie Spath wrote:
>>
>> Hi all,
>>
>> Thanks for the great advice, it is very helpful.
>>
>> I am actually aiming at developing "research" or "omic" archetypes (e.g.
>> test results from experiments on patient specimen, e.g. from
>> genomic/proteomic/metabolomic experiments etc.), since my background is in
>> genetics. The reason for this is to be able to integrate clinical patient
>> and scientific research data to support biomedical knowledge discovery. In
>> this, I am collaborating with a prostate cancer bio-resource which collects
>> specimen from prostate cancer patients. A biobank contains clinical patient
>> information and the "omic" information. I am planning to use this biobank as
>> a test-bed for an "archetyped" biobank information system.
>>
>> As a start I was trying to see how much of the clinical content in the
>> biobank could be modelled with existing archetypes (to avoid duplicate
>> effort) and to discover "holes". Some of the information could be modelled
>> with existing archetypes (e.g. results of histopathological analysis with
>> the openEHR-EHR-CLUSTER.microscopy_prostate_carcinoma.v1 archetype), but for
>> others I could not find suitable archetypes (this in itself was not an easy
>> task, I think there needs to be another discussion on a different
>> thread/list about the difficulties of matching database fields to existing
>> archetypes/fields in existing archetypes). I wasn't sure if the
>> non-existence of archetypes for radio/hormone/chemotherapy was because they
>> hadn't been developed yet or because it was envisaged that other existing
>> archetypes could be used to model these (e.g. the INSTRUCTION.medication and
>> INSTRUCTION.non_drug_therapy ones).
>>
>> Until then, in the presence of these "holes", my approach will be to use
>> "placeholder" archetypes that hold the minimum needed information for this
>> specific case e.g. for radio/hormone/chemotherapy as discussed above, until
>> experts have agreed on their general suitable structure. I am welcoming any
>> developments in this area.
>>
>> Thank you for your help.
>>
>> Best regards,
>> Melanie.
>>
>>
>>
>>
>> On Wed, Nov 11, 2009 at 1:16 AM, Heather Leslie <
>> heather.leslie at oceaninformatics.com> wrote:
>>
>>>  Hi Melanie,
>>>
>>> I see some great comments from Ian and Kevin so far - thanks.
>>>
>>> You aren't starting with anything simple ;-) - this is a very complicated
>>> domain and hopefully you will have access to some oncological advice and
>>> resources as well.
>>>
>>> The Medication archetype is a great starting point.  Please be aware that
>>> we are doing some work at the moment to try to bring the Medication family -
>>> Instruction, Action and the common description up for collaborative review
>>> in CKM soon.  We are trying to harmonise the current archetype with many
>>> requirements and standards so that we can try to streamline the review
>>> process, but I expect that we will find it to be one of our harder
>>> archetypes to get agreement on. Keep an eye out, and adopt the archetypes if
>>> you would like to participate in the review when initiated.
>>>
>>> Intravenous orders and administration of drugs adds a further degree of
>>> complexity, and most of your chemo will likely be needing this extra
>>> functionality.  Plus some of these chemo instructions will be complex
>>> orders, potentially with a number of activities within the one order. Some
>>> routes may be atypical eg intrathecal etc.
>>>
>>> Hormone therapy - hmm trying to remember back... Certainly many will be
>>> simple oral medication instructions/actions; some will be IV (as above).  We
>>> need some expert advice here to determine if there are additional
>>> requirements for some hormone therapy that exceed these identified use
>>> cases.
>>>
>>> Radiotherapy is a completely separate area, and as Kevin/Ian suggest, you
>>> need to determine the scope here - potentially it is a whole domain of
>>> medicine!  I would suggest you mindmap your requirements for recording as a
>>> starting point, and from there you should be able to identify the potential
>>> archetypes that need development - it may be more than one
>>> instruction/action eg related measurements etc requiring recording in an
>>> Observation archetype.
>>>
>>> regards
>>>
>>> Heather
>>>
>>>
>>> On 11/11/2009 2:44 AM, Melanie Spath wrote:
>>>
>>> Hi,
>>>
>>> I'm trying to archetype patient records in a prostate cancer
>>> environment. I see that there are currently no specific archetypes for
>>> common cancer treatments such as radiotherapy, hormone therapy and
>>> chemotherapy. Could hormone therapy and chemotherapy be described as
>>> specializations of the openEHR-EHR-INSTRUCTION.medication.v1
>>> archetype? And could radiotherapy be described with a specialization
>>> of openEHR-EHR-INSTRUCTION.non_
>>> drug_therapy.v1? Or should these be
>>> described in completely new archetypes (e.g. INSTRUCTION.radiotherapy/
>>> hormone_therapy/chemotherapy)?
>>>
>>> Thanks for your help,
>>> Melanie Spath.
>>>
>>> PhD Candidate
>>>
>>> Centre for Health Informatics
>>> School of Computer Science & Statistics
>>> Trinity College Dublin
>>> Dublin 2, Ireland
>>> _______________________________________________
>>> openEHR-clinical mailing list
>>> openEHR-clinical at 
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>>>
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>>>
>>>
>>>
>>>
>>> --
>>>
>>>  *Dr Heather Leslie*
>>> MBBS FRACGP FACHI
>>> Director of Clinical Modelling
>>> *Ocean Informatics <http://www.oceaninformatics.com/>*
>>> Phone (Aust) +61 (0)418 966 670
>>> Skype - heatherleslie
>>> Twitter - @omowizard
>>>
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>>>
>>
>>
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>>
>> --
>>
>> ________________________________________________
>> Dr Hugh Leslie MBBS, Dip. Obs. RACOG, FRACGP, FACHI
>> Clinical Director
>> Ocean Informatics Pty Ltd
>> M: +61 404 033 767   E: hugh.leslie at oceaninformatics.com  W:
>> www.oceaninformatics.com
>>
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