Application of the OHDSI CDM on Korean Healthcare

SystemOctober, 20 2015

Department of Biomedical InformaticsAjou University School of Medicine

Rae Woong Park, MD, PhD

Experiences from the OHDSI international data network

Construction of a de-identified and integrated clinical data warehouse and analysis system

Just finished 3-year project, De-cember 2011 – October 2014

Development of an open-innovative clinical data vi-sualization and analysis service based on OHDSI

Just launched, 3-year project, December 2014 – October 2017

Ajou Univ. Hospital2.6 M patients

Gachun Gil Hospital2.3 M patients

Integrative Platform for DRN

Outcome database construction

1. Paper reports

Parsing

OCR from free-text medical recording*OCR: Optical Character Recognition

2. Recordings in free-text format

3. Digitalized data(lab, med. etc.)

Outcome database

ETL

National Infrastructure for Clinical Data Sharing and Secondary Use

EMRCDM(local)

CDW(integrated)

Central Repository

CDW(Analytics)

Real-timeEMR data

ETL

batch

Hospital

EMR CDM

HospitalEMR CDM

Hospital

Real-time feedbackCDSS - allergy, DDI - Lab results - medications - …

Visualizing/Analytics

Real-time Batch Process

1

1

1

2

2

2

3

3

3

4

5

6

Central Repository

Review DB

Center for Clinical Data Ex-change

National Health In-formation Ex-

change

CDSS

Hospital A

EMR

Secondary Uses

Clinical data in

CDM format

1

2

Hospital B

EMR

Clinical data from other hos-

pitals

4

Request for clin-ical data from

other hospitals

3

Citizens Government AcademiaClinitians Industry

PHR Public Health CDSS • Research• Development

National Infrastructure for Clinical Data Sharing and Secondary Use