Skip to main content

Displaying results 1 - 8 of 9
  • 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 … Epidemics (ESSENCE) utilizes VHA ICD9 coded outpatient visit data for the detec- tion of abnormal patterns of … Epidemics (ESSENCE) utilizes VHA ICD9 coded outpatient visit data for the detection of abnormal patterns of disease …
  • Evaluating Pandemic Influenza Surveillance and Response Systems in Developing Countries: Framework and Pilot Application

    Content Type: Abstract

    A pandemic caused by influenza A/H5N1 or another novel strain could kill millions of people and devastate economies worldwide. Recent computer simulations suggest that an emerging influenza pandemic might be contained in Southeast Asia through rapid… read more
    … poor communication and transportation infrastructure; and lack of resources to investigate outbreaks could cause … poor communication and transportation infrastructure; and lack of resources to investigate outbreaks could cause … poor communication and transportation infrastructure; and lack of resources to investigate outbreaks could cause …
  • Use of Severity Indicators in a Public Health Surveillance System

    Content Type: Abstract

    Data streams related to case severity have been added to the Electronic Surveillance System for the Early Notification of Community-based Epidemics (ESSENCE), a disease-monitoring application used by the Department of Defense (DoD), as an additional… read more
    … and death, but fatalities are rare and many DoD clinics lack admitting capability, so we sought to derive additional … and death, but fatalities are rare and many DoD clinics lack admitting capability, so we sought to derive additional …
  • A Simple Method of Using Linked Health Data in Syndromic Surveillance

    Content Type: Abstract

    This paper describes a simple technique for utilizing linked health information in syndromic surveillance. Using knowledge of which patient encounters resulted in laboratory test requests and prescriptions may improve sensitivity and specificity of… read more
    … streams (emergency department chief complaints, clinic visit International Classification of Disease Ninth Revi- … who were assigned certain ICD9 codes during an office visit also received specific laboratory requests and … of linked lab requests and prescriptions filled for each visit. This tally ranged from zero to greater than 9 and was …
  • The Development of Virtual Data for Syndromic Surveillance Exercises

    Content Type: Abstract

    On 27 April 2005, a simulated bioterrorist event—the aerosolized release of Francisella tularensis in the men’s room of luxury box seats at a sports stadium—was used to exercise the disease surveillance capability of the National Capital Region (NCR… read more
    … scenario realism. RESULTS A total of 2,623,226 background visit records were generated for the exercise. The … between 4/5- 5/3/05. Those infected generated 3050 ED visit re- cords, 106 military office visit records, and 2627 sales of OTC medication at 23 …
  • The Tradeoffs Driving Policy and Research Decisions in Biosurveillance

    Content Type: Abstract

    Every public health monitoring operation faces important decisions in its design phase. These include information sources to be used, the aggregation of data in space and time, the filtering of data records for required… read more
    … alerting methods, we used 3 years of outpatient clinic visit data in which records were classified by syndrome and …
  • Classification of Emergency Department Syndromic Data for Seasonal Influenza Surveillance

    Content Type: Abstract

    We evaluated several classifications of emergency department (ED) syndromic data to ascertain best syndrome classifications for ILI.
    … with ED data. We used 6 classifications of ILI ED visit data for this analysis: (1) A chief complaint with …
  • Synthesizing the American Health Information Community’s Minimum Data Set

    Content Type: Abstract

    One of the challenges facing developers and users of automated disease surveillance systems is being able to accurately evaluate the performance of their systems for the wide variety of public health threats that are possible. A… read more
    … represent- ing various types of outbreaks on top of that back- ground [3],[4]. With the introduction of the AHIC …