v mr u pdate – p hase 1 c hanges “ s o many changes, so little time ” 03/12/2013
TRANSCRIPT
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VMR UPDATE – PHASE 1CHANGES“SO MANY CHANGES, SO LITTLE TIME”03/12/2013
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NEW ISO DATATYPE
ED – EncapsulatedData Allows for support of richer documentation than
just free text Used in Documentation type to support various
types of proposal comments (see upcoming slide on proposal changes)
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NEW EXTENDED VMR DATATYPES CodedIdentifier
Associate an II with a relevant concept from a terminology CodedNameValuePair
Any coded name-attribute pair Used to support attribute extension
Documentation Currently used in ‘comment’ attribute to support various
comment types. Dose
Encapsulation of administeredDose and doseType to support multiple cardinality
DietQualifier Generic way to add diet components to post-coordinated
diets such as levels of fat, carbohydrates, fluids, fibers, nutrients, etc…
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PROCEDUREPROPOSAL ENHANCED WITH NEW ATTRIBUTES
Needed to support more kinds of orderables originationMode frequency timing prnReason comment (0-*)
Can support any number of comments Comments are typed – e.g., ‘Consult Note’,
‘Provider Instructions’, ‘PRN Instruction’, other… Supports both free text and structured text
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SUBSTANCEADMINISTRATIONPROPOSAL ENHANCED WITH NEW ATTRIBUTES
Needed to support more kinds of orderables originationMode comment prnReason infuseOver timing Note – no ‘frequency’ as this is already
captured by dosingPeriod and dosingPeriodIntervalIsImportant
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SUBSTANCEADMINISTRATIONBASE GENERALIZED
More than one dose can now be defined E.g., starting dose, maintenance dose
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NEW PROCEDURE PROPOSALS
LaboratoryProposal ImagingProposal RespiratoryCareProposal DietProposal PatientCareProposal? Will probably be
dropped as it is now covered by ProcedureProposal. May be revived in Phase 2.
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NEW SUBSTANCEADMINISTRATIONPROPOSALS
ComplexIVProposal PCAProposal
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NEW ATTRIBUTES TO SUPPORT INFOBUTTON
CdsContext has the following new fields cdsSubTopic cdsEncounterType
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IMPORTANT MODEL ENHANCEMENTS
New extensible mechanism for class attributes Entity, ClinicalStatement, and CdsContext now include
a new ‘attribute’ field of cardinality 0-* Attribute is a CodedNameValuePair consisting of:
name – CD (1-1) value – ANY (1-1)
In schema, each have an ‘extension’ container section RTO type fixed to support ratios of QTY rather
than PQ Needed to support more types of ratios such as ratios
of integers found in titers. Fixed in XSD to support ratios of PQs. Only ‘decimal’
supported in v1. RTO_PQ and RTO_INT added to XSD
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IMPORTANT MODEL ENHANCEMENTS
IVL_PQ now support optional lower and upper bounds in XSD Allows the expression of unbounded upper and
lower ranges Probably an oversight in current version of vMR
AdministrableSubstance.strength No longer a ratio of decimals Now supports ratios of PQs Probably an oversight in current version of vMR
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CHANGES TO CLINICALSTATEMENT
ClinicalStatement.templateId now a CodedIdentifier Allows code to be associated with II
II now supports ‘identifierName’ – string (0-1) Templates can have a name just like we people
do ClinicalStatement.evaluatedPersonId
Bidirectional association between a CS and its owner.
Same change made to Entity class Supports flattening of data
ClinicalStatement.id now optional Need to add documentation to IG to specify that
it is required
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IMPORTANT MODEL ENHANCEMENTS
GoalBase.targetGoalValue, ObservationResult.observationValue are now of type ANY Supports polymorphism
BodySite.bodySiteCode changed to optional Needed to support term precoordination use
case where laterality only is post-coordinated
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CONSIDERED FOR PHASE 1 BUT DEFERRED FOR PHASE 2 ImagingEvent
RadiationDose RadiationDuration
Frequency Need consistency between SubstanceAdministration and
ProcedureProposals Need optional coded field such as ‘TID’, ‘qac’
Immunization enhancements isValid validAdministrationTimeInterval
Class extension mechanism Should ClinicalStatement be concrete rather than abstract?
Other mechanism? Finer grained model? Bidirectional association between source and targets of
relationships “I am the object of which relationship?”
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CONSIDERED FOR PHASE 1 BUT DEFERRED FOR PHASE 2
Chemotherapy Intervention/Patient Education Tube Feeding Other proposal types? Need a round 2
potentially.
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QUESTIONS FOR PHASE 2 Fleshing out ‘Events’ for QDM. What do we need to
support eMeasures How much can we assume about terminologies? CD is
nice but has limits if no value sets exist. Can we enhance the vMR’s inferencing capabilities
Rethinking the hierarchies Bridging by composition
Equivalence relationships To OWL or not to OWL More pilot feedback Did we hit the 80%? Keeping vMR agile and backward compatibility And last but not least …
Templates and profiles
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FOR MORE INFORMATION…
Please see our change log at: https://docs.google.com/spreadsheet/ccc?
key=0AkVg6OcD6S5NdHkxaVZUSDJzVTZuQUZkM3NmdUlkM3c#gid=0
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THANK YOU!