Displaying results 1 - 6 of 6
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Hierarchical Filtering of ESSENCE for Routine, Distributed Disease Monitoring by the Veterans Health Administration
Content Type: Abstract
The VA has employed ESSENCE for health monitoring since 2006 [1]. Epidemiologists at the Office of Public Health (OPH) monitor the VA population at the national level. The system is also intended for facility-level monitoring to cover 152 medical… read more… The VA has employed ESSENCE for health monitoring since 2006 [1]. … alerts is impractical for the group of monitors using ESSENCE. Signals of interest may be masked by the nationwide … burden. Customized querying features have been added to ESSENCE, but standardization and IP training are required to … -
Surveillance for nationally notifiable infectious conditions using ICD-9-CM diagnosis codes in the VA ESSENCE biosurveillance system
Content Type: Abstract
The Electronic Surveillance System for the Early Notification of Community-based Epidemics (ESSENCE) obtains electronic data from 153 Veterans Affairs (VA) Medical Centers plus outpatient clinics in all 50 states, American Samoa, Guam,… read more… for the Early Notification of Community-based Epidemics (ESSENCE) obtains electronic data from 153 Veterans Affairs … predictive value of ICD-9-CM diagnosis codes in VA ESSENCE to determine the utility of this system … -
Inpatient Data: A New Frontier in VA Biosurveillance and Public Health Monitoring from the Electronic Health Record
Content Type: Abstract
The Veterans Affairs (VA) ESSENCE obtains electronic health record data from 152 medical centers plus clinics in all 50 states, U.S. territories, and the Philippines. ESSENCE analyzes ICD-9 diagnosis codes and demographic data from outpatient and… read more… The Veterans Affairs (VA) ESSENCE obtains electronic health record data from 152 … In 2010, a new instance was stood up (VA Inpatient ESSENCE) which receives weekly feeds of inpatient data from … -
Adapting a syndromic biosurveillance system to monitor veterans’ health impact associated with the gulf coast oil spill
Content Type: Abstract
On 20 April 2010, an explosion on an offshore drilling rig in the Gulf of Mexico led to a prolonged uncontrolled release of crude oil. Both clean-up workers and coastal residents were potentially at high risk for respiratory and other… read more… for Early Notification of Community Based Epidemics (ESSENCE). ESSENCE captures specific patient care visit … -
Diagnosis Coding Anomalies Resulting in Hemorrhagic Illness Alerts in Veterans Health Administration Outpatient Clinics
Content Type: Abstract
The Veterans Health Administration (VHA) operates over 880 outpatient clinics across the nation. The Johns Hopkins Applied Physics Laboratory’s Electronic Surveillance System for the Early Notification of Community-Based Epidemics (ESSENCE) utilizes… read more… for the Early Notification of Community-Based Epidemics (ESSENCE) utilizes VHA ICD9 coded outpatient visit data for … The hemorrhagic illness (HI) syndrome category in ESSENCE is comprised of 25 different ICD9 codes, including … -
Another Type of Cluster Monitoring: Detection of Groups of Anomalous Patient Residence Locations
Content Type: Abstract
The Veterans Health Administration (VHA) uses the Electronic Surveillance System for the Early Notification of Community-based Epidemics to detect disease outbreaks and other health-related events earlier than other forms of surveillance. Although… read more… for the Early Notification of Community- based Epidemics (ESSENCE) to detect disease outbreaks and other … Health Care System*Baltimore Medical Center. Using ESSENCE, daily counts of ICD-9 codes related to influenza …