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Transcript of Managing Vocabulary for a Centralized Clinical System James J. Cimino, MD; Stephen B. Johnson, PhD;...
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Managing Vocabulary for a Centralized Clinical System
James J. Cimino, MD; Stephen B. Johnson, PhD; George Hripcsak, MD; Claire L Hill, MA;
Paul D. Clayton, PhD
Department of Medical Informatics - Columbia UniversityNew York, New York, USA
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Gérer Vocabulaire pour un Système Médical Centralisé
James J. Cimino, MD; Stephen B. Johnson, PhD; George Hripcsak, MD; Claire L Hill, MA;
Paul D. Clayton, PhD
Départment d’Informatique Médical - Columbia UniversityNew York, New York, USA
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Gérer Vocabulaire por un Système Médical Centralisé:
Technique Automatique de Knowledge-Base
Posser la Théorie en Usage
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Système Distributif
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Dêpot Clinique Central(Fantaisie)
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Dêpot Clinique Central(Realité)
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Contrôle Central du Vocabulaire
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Construction du Vocabulaire
• Compréhension
• Modelage
• Création
• Maintenance
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La Théorie:
“L’approche knowledge-based à la
representation améliorerais la
maintenance et la utilisation.”
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Medical Entities Dictionary (MED)
• La réseaux semantique
• La multiple hiérarquie
• La representation Frame-based concept
• 46,000 concepts
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MED: La StructureMedicalEntity
Substance LaboratorySpecimen
Event
LaboratoryTest
LaboratoryProcedure
CHEM-7PlasmaGlucose
PlasmaSpecimen
AnatomicSubstance
BioactiveSubstance
Glucose
Plasma
Chemical
Carbo-hydrate
Substance
Sampled
Part of
Has S
pecimen
Substance Measured
DiagnosticProcedure
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K+1 = 4.2
K+1 = 3.3
K+2 = 3.2
K+1 = 3.0
K+3 = 2.6
Récupération de Résultat Individuel
K+1
K+2 K+
3
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K+1 = 4.2
K+1 = 3.3
K+2 = 3.2
K+1 = 3.0
K+3 = 2.6
Récupération de Résultat par Classe
K+1
K+2 K+
3
K
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Tâche de Maintenance
• Le nouveau vocabulaire (Laboratoire)
• Le changement du vocabulaire (Pharmacie)
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Le Nouveau Vocabulaire
• Primitif lab: 2533 termes
• Nouveau lab: 5291 termes
• Distribuition: Juin 15, 1994
• Activation: Juillet 24, 1994
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Changement du Vocabulaire
• Commence avec 2091 drogues• En deux années, l’addition de
2327 drogues• Classification:
– Ingrédient– AHFS Classe– Allergie– DEA– Forme
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L’addition des Termes Nouveaux
• Identification de termes superflus
• Addition de termes nouveaux dans les classes existant
• Addition de nouvelles classes
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L’addition des Termes dans une Classe
• Théorie: On peux utilisé les attributs du nouveau terme pour la identification des classes
• Usage: “Pousser” en Termes
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“Pousser” en TermeMedicalEntity
LaboratoryTest
PlasmaGlucose
Test
BioactiveSubstance
Glucose
Carbo-hydrate
ChemistryTest
Chem-7Glucose
TestStat
GlucoseTest
Chem-20Glucose
Test
StatGlucose
Test
StatGlucose
Test
Chemical
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La Création des Classes
• Théorie: On peux découvrir le modéle de l’attribute que on identifié les classes potentiel
• Usage: Partition recursive des classes qui existent
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La Découvert de Classes Nouveaux
MedicalEntity
LaboratoryTest
Hepatitis BCore Antigen
Chemical
ChemistryTest
CoreAntigen
Hepatitis BCore Antigen
Test
HBC
Antigen
MedicalEntity
LaboratoryTest
Hepatitis BCore Antigen
Chemical
ChemistryTest
CoreAntigenHBC
Antigen
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screen shot: MED Editor
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screen shot: MED Editor proposing a new class
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Maintenance Semi-automatique
• Traverser la liste des drogues
• Identifier de nouvelles drogues
• Faire la connection de drogues aux ingrédiants
• Suggérer la classe “preparation”
• Ajouter une drogue nouvelle sur la supervision de l’homme
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Classification Interatif
Adding "LASIX 20MG TAB"Generic Ingredient "FUROSEMIDE"AHFS Class "DIURETICS"Add to "FUROSEMIDE PREPARATION"? y
Adding "ZAROXOLYN 5MG CAP"Generic Ingredient "METOLAZONE"AHFS Class "DIURETICS"Add to "DIURETICS"? nCreate METOLAZONE PREPARATION" Class? y
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Classification AutomatiqueMedicalEntity
Drug
PharmacologicSubstance
Sulfameth-oxizole
Chemical
Antibiotic
Bactrim"S1", "65"
Trimethoprim/Sulfamethoxizole
PreparationsTrimeth-
oprim
Septra"S1"
Sulfa Allergy"S1"
AllergyClass
TrimethoprimAllergy
"65"
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Statistique de Correction
• Entre les 2091 drogues originaux:– 334 avec classes – 289 avec classes multiples– 173 sans allergies
• Entre les 2327 drogues additionelles:– 28 avec classes– 141 avec classes multiples– 57 sans allergies
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La Direction Future:Web-Browser
• Independence de plateforme
• Disponible partout
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screen shot: Web
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La Direction Futur:X-Based Browser/Editor
• L’utilisation du vocabulary server
• Plusieurs éditeurs au même temps
• Prêt à usage
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screen shot: Accessmed
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La Direction Future:K-Rep
• Un produit IBM
• Comprendre l’approche Knowledge-base
• Subsumption des termes automatique
• La application de la recherche en direction
à la realité du monde
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screen shot: K-Rep
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L’impact de la “Théorie en Usage”:Mieux Administration
• Plus facile de fusionner le nouveaux
vocabulaire
• Administration automatique
• Améliorer la qualité du vocabulaire
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L’impact de la Mieux Administration:Le Vocabulaire Plus Util
• MED est courant par les systèmes departmentaux
• C’est facile de trouver une MED terme
• Supporte les multiple niveaux des concepts
• Mielleur précision dans les database questions
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Voir pour vous même
http://www.cpmc.columbia.edu/homepages/ciminoj