Hi Thomas,

lakewood at copper.net wrote:

>Hi All,
>
>Been off looking at some operational considerations associated with
>supporting, maintaining and updating global EHRs. 
>
What was your study to do with? Our analysis of possible EHR users is 
that most people would use regional EHRs, i.e. EHRs which are embedded 
in the healthcare network in which they normally live. Issues of 
consent, privacy, security, as well as technical and clinical issues can 
be determined in advance on a regional basis, and set up wiith 
appropriate contracts. When such patients have a health problem outside 
this jurisdiction, e.g on holiday overseas, and ad hoc requeest for 
health data needs to be possible - where there will be no advance 
contracts, security clearances etc.

However, some patients are always on the move. Military, aid workers, 
elite athletes, conference speakers, entertainers, airline staff and so 
on. THey can routinely have a problem anywhere in the world. So their 
EHR needs to be set up in a different way - probably served from a 
secure webportal which the network of carers for that kind of person 
will have secure access, also set up in advance. But these people can 
also need medical help outside their routiine care network, and 
communications of part of the EHR will again devolve to ad hoc requests 
and replies, where security and privacy have to be worked out on the spot.

>The following types of
>users were considered:
>1)CREATORS
>-individual, groups or organizations that must, or want to, generate new or
>updated EHRs
>2)REVIEWERS
>-overseers, peers and formal reviewers
>
can you define this role in more detail to do with EHRs? Do you mean 
senior medical staff?

>3)ADMINISTRATORS
>-Data management/processing
>4)CERTIFIERS
>-Handles tasks associated with correctness, e.g., prior to use or archiving
>
also this role

>There has to be user toolkits, possibly with custom components, available
>for the EHRs, and perhaps many different implementations of EHRs. There must
>also be administrative (e.g., configuration management), 
>
you will see that the basic of configuration management are in the 
COmmon RM (http://www.openehr.org/Doc_html/Model/Reference/common_rm.htm)

>QA (e.g., does it
>work), evaluation (e.g., workflow)
>
clinical workflow is a big area, and will most likely have its own 
services, but very closely bound in with the EHR

> and performance (e.g., does it take less
>time to perform a task using pen and paper?) tools to address related
>operations (note that the supporting networks and systems have been left
>out).
>
I think all of what you are saying relates to IT / software engineering 
quality assurance measures?

>What kind of tools?
>SUGGESTION: graphical, possibly remote access and possibly wireless enabled.
>
>WHY? Not everyone loves computers, scripting and software plus is willing to
>dedicate the time and energy to get some script to play right.
>
>OPINION: Would like to see a tool that can access/breakdown different types
>of EHRs, support information transfer and synthesis of additional records,
>even a modified EHR.
>
there are two approaches to this. One is where the source "EHR" systems 
are legacy databases, and don't obey any models. THere are approaches to 
getting data using archetypes to model it, but of course they are not 
completely simple - most legacy databases have different, annoying 
schemas....you have to extract the raw data, match columns and rows to 
target structures, synthesis missing bits etc etc.

The other approach is when we are talking about moving information 
from/to EHR systems which obey openEHR or some other accepted standard 
for which we can write interoperability software much more easily. Then 
interoperability is largely a matter of archetypes.

- thomas


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