It's not in VistA.  But I've posted a couple of PowerPoint presentations at
ftp.va.gov/vista/vistadocs/GCPR-FHIE-CHDR-etc/ 

Some of the early Health Data Repository stuff will be available, hopefully
a few months.

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jim Self
Sent: Wednesday, March 23, 2005 3:28 PM
To: [email protected]
Subject: RE: [Hardhats-members] RE: A parallel strategy for evolving VistA

Cameron Schlehuber wrote:
>I too am a fan of the architecture that Rich describes.  There are certain
>elements of it that were used (through a very different set of
>circumstances) in the FHIE project (and now with several projects that have
>derived from that framework.)  The simplicity of the structure coupled with
>the complexity permitted in the associations using a powerful reference
>terminology make it one of the most appealing architectures.

Can you point me to some specific examples, preferably in the OpenVistA
distributions if
possible? Perhaps the RMRS or something like it could be revived in
OpenVistA.

>Until about a dozen years ago, every major package in VistA was
>"re-engineered" every 6 to 18 months when major package "versions" were
>released.  It was a sad day when major versions were no longer to be
>permitted except in the rarest of circumstances.

Sad indeed. :( One would hope that this policy could be reversed with the
infusion of a
little enlightened practicality in VA management.

What is HDR, mentioned below? Is their standardization work available or
going to be?

>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED] On Behalf Of
>[EMAIL PROTECTED]


>For many years, here at Indianapolis, we used a system called RMRS. It was
a
>clinical repository,
>written in M, that was loosely based on the Regenstrief Medical Record
>system, which was originally
>created at the Regenstrief Institute.
>
>At the heart of this system is a single M-based file, that stores 27
>different types of clinical data
>in a standardized way.
>
>It is fed its data by HL7 messages, from Vista, or, any commercial package
>that sends the data in the
>proper HL7 format.
>
>The file is easily queryable on a patient by patient basis, or across the
>entire file, to
>identify cohorts of patients, as described above.
>
>The system could even be programmed to page physicians, when laboratory
>results on their patients
>were outside reference values.
>
>The system was abandoned, mainly because the lead developer left the VA,
and
>because Vista did not
>contain the necessary mapping tools to map non-standard terms to standard
>ones in an efficient
>manner. Mapping them manually, was not impossible, but it was resource
>intensive.
>
>These same issues have resurfaced 10 years later with the HDR, but this
time
>a properly resourced team of Data Standardization people has been assembled
>to revisit the issue. And so we are "back to the future" in a sense.
>
>My point is, that Vista could be much simplified, with an architecture like
>this, if it were redesigned
>with "lessons learned" taken into consideration. It could be done in M,
>because after all, it has
>already been done once in M.
>
>Finally, I will tell you that I am not the person best qualified to
>proselytize on this system. Nor am
>I sure the original developer has any further interst in the system. I am
>simply saying that I am a fan 
>of the architecture.

---------------------------------------
Jim Self
Systems Architect, Lead Developer
VMTH Computer Services, UC Davis
(http://www.vmth.ucdavis.edu/us/jaself)


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