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Displaying results 1 - 8 of 8
  • 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 …
  • Improving the Value Proposition of Surveillance Tools: Innovative Uses for VA ESSENCE

    Content Type: Abstract

    VA began using ESSENCE as a public health surveillance tool in 2005. The system offered alerting capability for pre-defined syndromes and querying capability for outpatient ICD-9 diagnosis codes. Herein, we highlight examples of how we have invested… read more
    … VA began using ESSENCE as a public health surveillance tool in 2005. The … capabilities and expanded data sources available to ESSENCE in order to augment the overall utility of this …
  • 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 …
  • Enhanced Influenza Surveillance using Telephone Triage Data in the VA ESSENCE Biosurveillance System

    Content Type: Abstract

    Telephone triage is a relatively new data source available to biosurveillance systems.1-2Because early detection and warning is a high priority, many biosurveillance systems have begun to collect and analyze data from non-traditional sources [… read more
    … Surveillance using Telephone Triage Data in the VA ESSENCE Biosurveillance System …
  • 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 …
  • Enhancing Biosurveillance Specificity Using PraedicoTM, A Next Generation Application

    Content Type: Abstract

    Many methods to detect outbreaks currently exist, although most are ineffective in the face of real data, resulting in high false positivity. More complicated methods have better precision, but can be difficult to interpret and justify. Praedico™ is… read more
    … syndromic surveillance alerting in VA using Praedico™ and ESSENCE. Submitted by teresa.hamby@d… on Tue, 08/29/2017 - … syndromic surveillance alerting in VA using Praedico™ and ESSENCE. … Enhancing Biosurveillance Specificity Using …
  • Evaluation of Praedico™, A Next Generation Big Data Biosurveillance Application

    Content Type: Abstract

    The National Strategy for Biosurveillance promotes a national effort to improve early detection and enable ongoing situational awareness of all-hazards threats. Implicit in the Strategy’s implementation plan is the need to upgrade capabilities and… read more
    … for the Early Notification of Community-Based Epidemics (ESSENCE).   Submitted by Magou on Wed, 11/01/2017 - 20:39 … … for the Early Notification of Community-Based Epidemics (ESSENCE).   … Evaluation of Praedico™, A Next Generation Big …