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Displaying results 1 - 8 of 8
  • 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
    … Epidemics (ESSENCE) utilizes VHA ICD9 coded outpatient visit data for the detection of abnormal patterns of disease … 0.03 HEMORRHAGIC COND NOS 287.9 48 0.07 DROP HEMATOCRIT PRECIP 790.01 71 0.10 HEMOLYTIC UREMIC SYND 283.11 209 0.29 … tools in order to promote more accurate outpatient coding may improve the performance of the HI detection model. …
  • Super Bowl Surveillance: A Practical Exercise in Inter-Jurisdictional Public Health Information Sharing

    Content Type: Abstract

    When the Chicago Bears met the Indianapolis Colts for Super Bowl XLI in Miami in January, 2007, fans from multiple regions visited South Florida for the game. In the past, public health departments have instituted heightened… read more
    … XLI in Miami in January, 2007, fans from multiple regions visited South Florida for the game. In the past, public … XLI in Miami in January, 2007, fans from multiple regions visited South Florida for the game. In the past, public … XLI in Miami in January, 2007, fans from multiple regions visited South Florida for the game. In the past, public …
  • 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 group of monitors using ESSENCE. Signals of interest may be masked by the nationwide alert burden. Customized … doi:10.1371/journal. pone.0009533. 2. Burkom H, Elbert Y, Cox K, Lombardo J. Upgrading the ESSENCE health … ehtj11115 ehtj11120 ehtj11024 ehtj11060 ehtj11110 26-50 ehtj11034 ehtj11198 ehtj11174 ehtj11048 ehtj11154 …
  • Using SAGES OpenESSENCE for Mass Gathering Events

    Content Type: Abstract

    The SAGES (Suite for Automated Global Electronic bioSurveillance) team at the John Hopkins University Applied Physics Laboratory was approached by the Public Health Division of the Research, Evidence and Information Programme of the Secretariat of… read more
    … to spread efficiently and rapidly. Infected individuals may subsequently return home and disseminate these … to spread efficiently and rapidly. Infected individuals may subsequently return home and disseminate these …
  • Using Electronic Surveillance Systems in Resource-Poor Settings: Why and How

    Content Type: Abstract

    Difficulties in timely acquisition and interpretation of accurate data on communicable diseases can impede outbreak detection and control. These limitations are of global importance: they contribute to avoidable morbidity,… read more
    … challenges. METHODS Information gained during site visits to functioning disease surveillance systems in low …
  • A collaboration to enhance detection of disease outbreaks clustered by time of patient arrival

    Content Type: Abstract

    One objective of public health surveillance is detecting disease outbreaks by looking for changes in the disease occurrence, so that control measures can be implemented and the spread of disease minimized. For this purpose, the… read more
    … Results This method was tested and validated on ED visit count data covering over 6 years and aggregated at …
  • Essential Requirements for Effective Advanced Disease Surveillance

    Content Type: Abstract

    Advanced surveillance systems require expertise from the fields of medicine, epidemiology, biostatistics, and information technology to develop a surveillance application that will automatically acquire, archive, process and present data to the user… read more
    … to more appropriately categorize an individual into mul- tiple groups so as to not limit the data utility. Simi- …
  • Applications of the ESSENCE Desktop Edition for Outbreak Detection in a Resource-Limited Setting

    Content Type: Abstract

    Recent events have focused on the role of emerging and re-emerging diseases not only as a significant public health threat but also as a serious threat to the economy and security of nations. The lead time to detect and contain a novel emerging… read more
    … though when case counts are 5 or less, alert results may not be very reliable. Validity of alerts generated by … ehtj11115 ehtj11120 ehtj11024 ehtj11060 ehtj11110 26-50 ehtj11034 ehtj11198 ehtj11174 ehtj11048 ehtj11154 …