population health management: using geospatial analytics ... · 2015 esri health and human services...
TRANSCRIPT
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Population Health Management: Using Geospatial Analytics to Enable
Data-Driven Decisions
Brian Jacobs, MDVP, CMIO & CIO
Children’s National Health SystemWashington, DC
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Volume vs Value Based Care Delivery
• Affordable Care Act of 2010• IHI Triple Aim of 2012
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Hospital Admissions & ED Visits
One or More ED Visits
5,686 hospitals in US
Hospital admissions/1000 population
95
100
105
110
115
120
125
Year
40%
30%
20%
10%
0%
Year
ACAACA
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IHI Triple Aim
Promote HealthPrimary Care Medical Home
Keep patients out of the hospitalAvoid ED Visits
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Healthcare Cycle
Health System: Small Influence on Patient
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Healthcare Cycle• Healthcare encounters impact a small fraction of health factors, others include:
– Diet– Exercise– Med compliance– Pollution– Climate– Genetics– Socioeconomics
– Race– Gender– Stress– Relationships– Substance Abuse– Etc…
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Why Geospatial Analytics?
• Healthcare conditions have geographic & environmental variation
• Many co-variables effect the expression of health and disease
• Understanding geographic & co-variable distribution can impact targeting of epidemiology, prevention, treatment & research efforts
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Geospatial Analytics & EHR(Crime Reports)
8
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Geospatial Analytics & EHR(Military Applications since 2009)
9
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Geospatial Analytics & EHR(Geology/Geography)
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Geospatial Analytics & EHR(Healthcare)
EHR represents rich source of essential health data to power similar work
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EHR-Rich Granular DataBlood PressureWeightHemoglobinChest x-rayAgeGenderCostTriage to Doc TimeBlood CultureBMIHeart RateMedicationsAllergiesImmunizationsProceduresAddressInsuranceRace
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Restaurants
• Dining • Take out• Fast Food
Groceries
• Delis• Convenience
Stores• Supermarkets
Education
• Elementary Schools
• Middle Schools• High Schools
Health Services
• Clinics• Hospitals
Demographics
• Population Data
• Economic Data
Students
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Identify EHR Data Fields
Write Data Query
Run Data Query
Filter/Clean Data
De-identify & Geocode
Data
Upload Data to GIS
Map Data Against Covariables in GIS
GIS Methodology Applied to EHR
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Representative Conditions
Burns in InfantsChildhood ObesitySickle Cell Disease
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Epidemiology: Burn Injuries in InfantsLorch M, et al. Pediatric Emerg Care 2011;27:1022-6
• Studied factors determining ED disposition of infants sustaining burn injuries
• 344 patients treated in the ED – Analyzed EHR data, environmental & socioeconomic variables
• Scalds (53.2%) & contact burns (39.8%) were most common
• Race played significant role in mechanism & severity of burn
• Focal geographic distribution
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Burn Data – DC Neighborhoods
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Childhood Obesity
• Patients presenting to Children’s National Inpatient, Inner City Clinics & Suburban Clinics
• Weight, Height, Gender, Race, Age & Address extracted from 3-regional EHRs
• Primary extract cleaned, de-identified & analyzed• CDC BMI percentile equations applied
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3.2 million Children in VA, MD, DC
400,000 Immediate Population (12.5%)
49,713 unique patients (12.4%)EHR Data Extraction
Percent of Regional Population
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Results - Total PopulationChildren Ages 2-20
CP&A, Goldberg, and Inpatients October 1, 2009 - October 1, 2010
3077361%2788
6%
614512%
776916%
22385%
HealthyMorbidly ObeseObeseOverweightUnderweight
49,713 Unique Patients
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Obese by Zipcode
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Obesity RatesObesity Cases
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Fast Food Overlay
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Sickle Cell Disease Readmission
• Retrospective analysis using EHR-derived data on children with SCD-related pain crises
• Readmissions described, geospatial analysis conducted
• Models constructed to obtain readmission risk factors • 373 subjects, 125 with at least one 30-day
readmission compared to no readmission group.• Readmission risk factors: Older, decreased LOS,
increased pain scores, >3 hospitalizations in 1-year
McMillan, JE, et al. Hosp Pediatr 2015;5:423-31
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Readmitted Patients with Sickle Cell Disease
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Conclusions
• Improved health & achieving the Triple Aim cannot rely solely on encounters with healthcare organizations.
• Care model redesign must harness other factors beyond the healthcare system in addition to EHR data.
• Geospatial analytics is an important tool to bring qualitative & quantitative information forward to augment traditional approaches to healthcare analytics.