[FOSS_health] Re: interoperability

[David Forslund]

It was this full integration that was the goal of the original GCPR 
project some 7+ years ago.  It was well along in a phased development 
cycle, when the DoD pulled out. The VA continued in a limited way which 
I think was the basis of this demonstration referred to here.  Wrapping 
them on the screen isn't sufficient. EsiObjects could do much more than 
this, in my opinion.  The biggest issue the GCPR faced was the 
terminology mapping between the systems (even between DoD systems 
running the same software). 

Dave
Tom Jones wrote:
> It's the "looked like" that is the problem. There was not, to my knowledge,
> true integration of information such that an allergy to a medication
> registered in the CHCS DoD system triggered an alert if the medication was
> ordered on the same patient in the VistA VA version. And one can go on from
> there. The read only visual display was not matched by data re-use across
> systems
>
> Tom
>
> -----Original Message-----
> From: foss_health-bounces at oshca.org [mailto:foss_health-bounces at oshca.org]
> On Behalf Of K.S. Bhaskar
> Sent: Tuesday, May 29, 2007 3:50 PM
> To: foss_health at oshca.org
> Subject: Re: [FOSS_health] Re: interoperability
>
> David --
>
> There was a successful proof of concept showing data from both CHCS (DoD 
> version) and VistA (VA version) integrated in the same browser screen 
> using Esi Objects to wrap both flavors of the same application so that 
> they looked like an integrated system.  I actually saw a demonstration 
> of this a few years ago.
>
> However, even though the technical feasibility was demonstrated, I 
> understand that the rollout was not funded because it was not the 
> officially blessed way to integrate information.
>
> Others may have better insight into it, but perhaps too much management 
> can ruin any worthwhile project, as the saying goes...  [Yes, I confess 
> to being a manager!]
>
> Regards
> -- Bhaskar
>
> David Forslund wrote, On 05/29/2007 06:19 PM:
>   
>> I agree. The original GCPR project between the VA, DOD and IHS actually
>> involved the identical software at all the sites, but configured
>> differently at each site and were totally non-interoperable as a result,
>> even though much of it was open source (VistA).  The HDTF solution
>> chosen dealt specifically to deal with this problem and it helped in the
>> solution.  HL7 had been used but HL7, itself, doesn't mean systems are
>> interoperable.    Low level database replication is likely to be a poor
>> interoperability platform in my experience.  If one has total control of
>> all the sites, one might get away with it.  Otherwise, forget it. 
>> Mapping XML structures between sites should work well in this situation,
>> once one knows how to do the appropriate transforms.
>>     
>
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