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BigData:Implica.onsforNursingInforma.cs
BonnieL.Westra,PhD,,RN,FAAN,FACMIAssociateProfessorandDirector,CenterforNursingInforma?cs
April29,2016
Objec?ves
• Definebigdataasitrelatestonursing• Iden?fychallengesinuseofnursingdataforbigdatascience
• Exploreexamplesofbigdatanursingresearch
• Iden?fystrategiesfornurseinforma?cianstoshareknowledgeacrossseQngstocreatenursingbigdata
BigDataSources-Nursing• Volume• Velocity• Variety• Veracity• Value
https://infocus.emc.com/william_schmarzo/thoughts-on-the-strata-rx-healthcare-conference/
Geocodes
DataSources• CTSA–hXps://ctsacentral.org/
• NCATS-hXps://ncats.nih.gov/• PCORnet-hXp://www.pcornet.org/
• 13clinicaldataresearchnetworks(CDRNs)• 22pa?entpoweredresearchnetworks(PPRNs)
• OptumLabs–140millionlivesfromclaimsdata+40millionfromEHRs([email protected])
• hXp://www.data.gov/-Searchover192,872datasets
BigData&BigDataScience
• Applica?onofmathtolargedatasetstoinferprobabili?esforassocia?ons/predic?on
• Purposeistoacceleratediscovery,improvecri?caldecision-makingprocesses,enableadata-driveneconomy1
• Three-leggedstool• Data• Technology• Algorithms
http://www.sciencemag.org/site/special/data/ScienceData-hi.pdf
• inareasofeSciencesuchas• [datacapture],• Databases,• Workflowmanagement,• Visualiza?on• Compu?ngtechnologies.
Harnessing the EHR for Research
Nursing Research Journal!
© Westra, 2014 Nursing Informatics & Translational Science
BigDataAnaly?csforNursing
RequirementsforUsefulData
• Commondatamodels• Standardizedcodingofdata• Standardizequeries
http://www.pcornet.org/resource-center/pcornet-common-data-model/
DataStandardiza?on
• Demographics–OMB• Medica?ons-RxNorm• Laboratorydata-LOINC• Procedures–CPT,HCPCS,ICD,SNOMEDCT
• Diagnoses-ICD-9/10-CM,SNOMEDCT• Vitalstatus–CDC• Vitalsigns-LOINC
11
Vision–InclusionofNursingData
Clinical Data NMDS
Management Data
NMMDS
Other Data Sets
Con?nuumofCare
Challenges
Challenges-Standards
ANA Position Statement – Inclusion of Recognized Terminologies Supporting Nursing Practice within Electronic Health Records and Other Health Information Technology Solutions
hXp://z.umn.edu/bigdata
Challenges-Architecture
Challenges-Reinven?ng
UMNClinicalDataRepositoryCohortdiscovery/recruitmentObserva?onalstudiesPredic?veAnaly?cs
Data available to UMN researchers via the Academic Health Center Information Exchange (AHC-IE) 2+ million patients
MHealth/FairviewHealthServices
ExampleFlowsheet
DataSourceClinicalDataModels-Flowsheets
T562
Groups2,696
FlowsheetMeasures14,550
DataPoints153,049,704
• 10/20/2010 - 12/27/2013 • 66,660 patients • 199,665 encounters
UMNCTSI-ExtendCDMTeam:Nursing(DNP/PhD),ComputerScience,HealthInforma?cs
Iden?fyClinicalDataModelTopic
Iden?fyConcepts
MapFlowsheets
toConcepts
Present Validate
MakingDataUseful200KPa?entEncounterPainInforma.onModel309observa?ons80Uniqueconcepts–assessments,goals,interven?ons(notincludingvaluesets–choicelists)
CardiovascularSystem Pain
Falls/Safety PeripheralNeurovascular(VTE)
Gastrointes?nalSystem
PressureUlcers
GenitourinarySystem/CAUTI Respiratorysystem
NeuromusculoskeletalSystem VitalSigns,Height&Weight
FlowsheetInforma?onModels
Informa.onModelName NumberFlowsheetIDs
MappedtoObservables
NumberInforma.onModelClasses/
Observables
Classes Concepts
CardiovascularSystem 241 8 84
Falls 59* 4 57
Gastrointes.nalSystem 60 3 28
GI/CAUTI 79 3 38
MusculoskeletalSystem 276 9 72
Pain 309 12 80
PressureUlcers 104 6 56
RespiratorySystem 272 12 61
VTE 67 8 16
VitalSigns/Anthopometrics 85 10 48
NursingBigDataResearch
NursingResearch• SevereSepsisComplianceguidelinesandimpactonpa?entcomplica?onsandmortality
• Unan?cipatedICUadmissionsforelec?vesurgerypa?ents
• Pa?entandnursestaffingfactorsassociatewithCAUTI• FactorsassociatedwithurinaryandbowelIncon?nenceimprovement
• Predic?nghospitaliza?onforfrailelders• DemonstratevalueofWound,Ostomy,Con?nenceNursingforimprovingwoundsandincon?nence
• Improvementinmanagingoralmedica?ons
HomeCareEHRDe-Iden?fiedData8,9
ReasonforRemovingRecords n
Incompleteepisoderecords 464,485
Assessmentoutsidestudydates 125,886
Incorrecttypeofassessment 51,779
Maskedormissingdata 16,302
Duplicaterecords 2,748
Age<18orprimarydxrelatedtopregnancy/complica?ons
822
Ini.alDataSet808agencies,1,560,508OASISrecords,888,243pa?entsListofpa?entswithandwithoutWOCNurse
Final Data Set 785 agencies, 447,309 patients,
449,243 episodes of care, 0.6% re-admissions
Cer?fiedWOCNursesInfluenceonIncon?nence&Wounds
OutcomeVariables Descrip.on
PressureUlcers Totalnumberofpressureulcers(M0450a-e)
StasisUlcers Totalnumberstasisulcers(M0470/M0474)
SurgicalWounds Totalnumberofsurgicalwound(M0484/M0486)
UrinaryIncon?nence Presence/managementofurinaryincon?nenceorneedforacatheter(M0520)
UrinaryTractInfec?on TreatedforUTIinpast14days(M0510)
BowelIncon?nence Frequencyofbowelincon?nence(M0540)
Improved/NotWorse(Stabilize)Outcomes
Score BowelIncon.nenceFrequency ImprovedNotWorse(Stabilize)
0Veryrarely/neverhasBIorhasostomyforbowelelimina?on
1 Lessthanonceweekly
2 Onetothree?mesweekly
3 Fourtosix?mesweekly
4 Onadailybasis
5 Moreopenthanoncedaily
Aim1:Prevalence
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
50%
PU SU SW UI BI UTI
Prevalence of Condition by Agency
No WOC (n = 13,261) WOC (n = 281,552)
PressureUlcer(PU),StasisUlcer(SU),SurgicalWound(SW),UrinaryIncon?nence(UI),BowelIncon?nence(BI),UrinaryTractInfec?on(UTI)
Aim2:Incidence
0%
1%
2%
3%
4%
5%
6%
7%
8%
9%
10%
PU SU SW UI BI UTI
Incidence of Conditions by Agency
No WOC (n = 13,261) WOC (n = 281,552)
EffectofWOCNursesonAgencyOutcomes
IndividualPa?entOutcomes
IndividualPa?entOutcomes
LessonsLearned
• Obtainingdata• TrackingWOCnursepa?entvisits• Dataquality
• Matchingpa?entsstartanddischarge• Duplicatepa?entrecords• Encrypteddata• Missingdata
• Selec?ngvariables-theoryanddomainexper?se• Typeofanalysis-Researchques?on,structureofthedata
MobilityOutcomes
• Discoverpa?entsandsupportsystemcharacteris?csassociatedwiththemobilityoutcomes
• Findnewfactorsassociatedwithmobilitybesidescurrentambula?onstatusduringadmission(OR=5.96)
• Ineachsubgroupofpa?entsdefinedbycurrentambula?onstatusduringadmission(1-5)
• Tocomparethepredictorsacrosseachpa?entsubgrouptofindtheconsistentbiomarkersinallsubgroupsandspecificfactorsineachsubgroup
MobilityOutcome
ComparisonofOutcomesbyGroup
OverallSteps
39 Fayyad, U., Piatetsky-Shapiro, G., & Smyth, P. (1996). From data mining to knowledge discovery in databases. AI Magazine, pp. 37 – 54. http://www.kdnuggets.com/gpspubs/aimag-kdd-overview-1996-Fayyad.pdf. P. 41
OASISdataextractedfromEHRsfrom270,634pa?entsservedby581Medicare-cer?fiedhomehealthcare
agencies
Standardizingdata,de-iden?fyingpa?ent,impu?ngmissingvalue,binarizingdatainto98variables
DataMiningTechniques
• Identify risk variables significantly associated with mobility outcomes - varied among the groups
• Group the single predictors based on whether they cover same or different patient group – Clustering
• Based on similarity of patients • Not discriminative • High frequency variables got merged
– Pattern mining based approach • Discriminative • Coherence (similarity of patients)
SubgroupVariability
ClusteringGroupsVa
riables
Variables
ImprovementGroup2
Olderadultswithnoproblemsindaily
ac?vi?es
Healthierphysiologicalandpsychosocialelderly
HouseholdManagement
NoImprovementGroup2
44
Incapabletotoiletandtransfer
HelpwithfinancialandlegalmaXers
Cogni?vedeficitsandbehavioralproblems
PaidHelp
Frailpa?entswithfunc?onaldeficiency
• Transform data into binary variables • Selection of variables – remove if
• Too little variation or high inter-correlations of predictors
• Medical diagnoses used to describe patients, not predict • Analysis by subgroup • Interpretation of results is critical – requires domain
experts • Different clusters point to the need to tailor interventions
for subgroups • Lack of standardized interventions precluded
understand how care provided effects outcomes
LessonsLearned
SharingExperiences
47
z.umn.edu/bigdata
Vision• BeXerhealthoutcomesfromthestandardiza?onand
integra?onoftheinforma?onnursesgatherinelectronichealthrecords• EHRincreasinglythesourceofinsightsandevidence• Usedtoprevent,diagnose,treatandevaluatehealthcondi?ons.
• OtherIS-Richcontextualdataaboutpa?ents(includingenvironmental,geographical,behavioral,imagingdata,andmore)
• Leadtobreakthroughsforthehealthofindividuals,families,communi?esandpopula?ons.
CreateaNa?onalAc?onPlan• Implementnursinginforma?oninEHRsandotherinforma?onsystemsusingstandardizedlanguage• Streamlined,essen?al,evidence-based,ac?onable,anddemonstratesvalueofnursing’scontribu?ontohealth
• Standardizenursinginforma?cseduca?ontobuildanunderstandingandcompetences
• Influencepolicyandstandardsfordocumen?ngandcodingnursinginforma?oninhealthcareknowledgesystems
• Usestandardizednursingdatawithotherdatasourcesforbusinessanaly?csandresearch
Conferences*• Workingconferenceswithvirtualworkgroupstakingac?onbetweenannualmee?ngs
• Allfocusedonthesamevision• Strategicinclusionofstakeholders
• Prac?ce-leaders• Industry,par?cularlysopwarevendors• Professionalorganiza?ons
• Na?onal–nursing,interprofessional,informa?cs
• Academia
*Proceedings:hXp://z.umn.edu/nbd2k
2014–2015Accomplishments• Educa.on
• Surveyedaccredita?on,cer?fica?onandcreden?alingprogramsinfluencinginforma?cs
• Facultyresourcesforteachinginforma?csavailable:hXp://www.nursing.umn.edu/con?nuing-professional-development/nnideepdive/
• ScienceofNBD2K• CompletedNMMDSupdates/LOINCcodingforpublicdistribu?on
• hXp://z.umn.edu/nmmds
• StartedNINRNursingInforma?csSIG• Created“BigDataChecklistforChiefNurseExecu?ves”
• QualityMeasures• ForwardedeMeasureforPressureUlcers
• HealthITPolicy• GuidingPrinciplesforBigDatainNursing:UsingBigDatatoImprovetheQualityofCareandOutcomes.hXp://www.himss.org/big10
• ANAPosi?onStatement:InclusionofRecognizedTerminologiesSuppor?ngNursingPrac?cewithinElectronicHealthRecordsandOtherHealthInforma?onTechnologySolu?ons.
• ANA/ANI/AANInforma?csexpertpanelcollaboratedonappointmentsandcommentsonpolicies
• Harmoniza.on/Standardiza.onofNursingData/Models• Focusoncarecoordina?on&standardiza?on• IntegratePNDSintodataandmodelstandards
2014–2015Accomplishments
2014–2015Accomplishments• ValueofNursing
• Createddatamodeltodemonstratevalueofnursingatindividualnurselevel
• LOINC/SNOMEDCTMinimumAssessment• DevelopedminimumphysiologicalassessmentencodedwithLOINC/SNOMEDCT
• WorkforceData• Developdissemina?onplanforImplementa?onGuideforNMMDS
• TransformNursingDocumenta.on• Developasetofrecommenda?onsforleveragingEHRsandclinicalintelligencetoolstopromoteevidencebased,personalizedcareacrossthecon?nuum
NewWorkgroups• Social/BehavioralDeterminantsofHealth
• Developatoolkittosupportinclusionofthisdataintoelectronichealthrecords,includingexpectedCMSMeaningfulUseprogramrequirements
• Nursing&CareCoordina?on• Iden?fynursingimplica?onsrelatedto“bigdata”associatedwith“carecoordina?on.”
• ConnectNursingInforma?csLeaders• Provideaplavormforemergingandexpertinforma?csnursestodiscussopportuni?estoenhancenursingknowledge
• mHealthData• Exploretheuseofmobilehealthdatabynurses,includingnursing-andpa?ent-generateddata,andincorpora?ngmHealthdatauseintoworkflows
YouAreInvitedtoGetInvolved• Workinggroups–
• [email protected]• NursingKnowledge:2016BigDataScienceConference• June1-3,2016 • Minneapolis,Minnesota• Registra?onopen!EarlybirddiscountthroughApril1,2016
• hXp://z.umn.edu/bigdata
Summary
• Bigdataisincreasing• Exis?ngandnewermethodsfordataanalysis• Bigdatascienceusefultoaddressprac?ceques?ons
• Lessonslearned• Dataquality–originatesinprac?ce• Standardizeddataandcommondata/informa?onmodelsneededforusabledata
• “Takesavillage”–combinedexper?seimportant
Acknowledgments
• Mul?plefundingforstudies:• GrantNumber1UL1RR033183fromtheNa?onalCenterforResearchResources(NCRR)oftheNa?onalIns?tutesofHealth(NIH)totheUniversityofMinnesotaClinicalandTransla?onalScienceIns?tute(CTSI).
• TwoNSFgrants:NSFIIS-1344135andNSFIIS-0916439aswellasaUniversityofMinnesotaDoctoralDisserta?onFellowship.
• Wound,Ostomy,Con?nenceNursingAssocia?on
Ques.ons?BonnieL.Westra,PhD,RN,FAAN,FACMI
References• WestraBL,Chris?eB,JohnsonSG,etal.ExpandinginterprofessionalEHRdatainI2B2.AMIAJointSummitsonTransla2onalScienceproceedingsAMIASummitonTransla2onalScience.2016.
• DeyS,CoonerJ,DelaneyCW,FakhouryJ,KumarV,SimonG,SteinbachM,WeedJ,WestraBL.MiningPaXernsAssociatedWithMobilityOutcomesinHomeHealthcare.NursRes.2015Jul-Aug;64(4):235-45.PubMedPMID:26126059.
• WestraBL,La?merGE,MatneySA,ParkJI,SensmeierJ,SimpsonRL,SwansonMJ,WarrenJJ,DelaneyCW.Ana?onalac?onplanforsharableandcomparablenursingdatatosupportprac?ceandtransla?onalresearchfortransforminghealthcare.JAmMedInformAssoc.2015May;22(3):600-7.PubMedPMID:25670754.
• WestraBL,DeyS,FangG,SteinbachM,KumarV,SavikK,OanceaC,DierichM.InterpretablePredic?veModelsforKnowledgeDiscoveryfromHomecareElectronicHealthRecords.JournalofHealthcareEngineering.2011;2(1):55-74.