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Displaying results 537 - 544 of 618
  • 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
    … graphic data from outpatient and emergency department visits at all VA facilities.1 For this review, visits with an ICD-9-CM code(s) for a reportable … salmonellosis) had PPVs greater than 50%. Reasons that visits did not meet CDC case definitions included: (1) …
  • Relationship between Emergency Room (ER) Syndromic Surveillance Data and Influenza-Like Illness (ILI) Surveillance in Houston, Texas

    Content Type: Abstract

    Disease surveillance provides essential information for control and response planning1. Emergency Room (ER) syndromic surveillance data can help to identify changes in disease incidence and affected group thereby providing valuable additional time… read more
    … data showed no significant correlations (P>0.05). The ER visits in Houston significantly (P<0.01) predicted the … of relationship noted in this study demonstrates that ER visits can be used for early prediction of influenza …
  • The validity of emergency department influenza-like-illness (ILI) for laboratory-confirmed influenza in children

    Content Type: Abstract

    Syndromic surveillance systems use electronic health-related data to support near-real time disease surveillance. Over the last 10 years, the use of ILI syndromes defined from emergency department (ED) data has become an increasingly accepted… read more
    … time of study. Results We studied approximately 14,000 visits during the discrete year and 32,000 visits during concomitant years. Viral results were unavailable for approximately 75% of respiratory visits and multiple imputation was used to impute values. …
  • Automated Data Acquisition: Data Collection and Integration for the Alberta Real-Time Syndromic Surveillance Net (ARTSSN)

    Content Type: Abstract

    The ability to provide real time syndromic surveillance throughout the Capital Health Region is currently undeveloped. There are limited mechanisms for routine real time surveillance of disease or conditions of public health… read more
    … concerns– 130 selected protocols • Emergency Departments visits chief com- plaints, discharge diagnosis and relevant … results with 130 proto- cols: • 1,800,000 emergency room visits • Absenteeism records of K-6 students, track- ing on …
  • Missouri's Syndromic Surveillance Experience

    Content Type: Abstract

    This abstract describes Missouriís experience with syndromic surveillance. Missouri has expanded from acquiring pre-tabulated data from volunteers to receiving patient-level data via electronic feeds from 85 hospitals across the state processed… read more
    … of Health and Senior Services (DHSS) numbers of visits within predefined syndrome groups and the total number of visits. Many sites that initially volunteered to report HASS …
  • Characterizing Repeated Outbreak Patterns in Influenza Time Series

    Content Type: Abstract

    In some influenza seasons, morbidity and mortality closely follow the expected seasonal variation. In these years, approaches such as Serflingís model and seasonal-based syndromic outbreak detectors, in use in EARS, work well. In other years,… read more
    … data sets, including hospital emer- gency department visits coded for respiratory infec- tion and ambulatory care visits coded for several syndromes. In those cases, Poisson …
  • Utilization of the Syndromic Surveillance Framework for Detection of Heat-Related illnesses

    Content Type: Abstract

    The use of syndromic surveillance in Tulsa County began as an attempt to identify symptoms associated with Category A agents, namely Anthrax. The underlying premise for adopting the system was the hope that an astute clinician,… read more
    … summer months often result in increased emergency room visits with heat-related complaints such as dehydration, … cramps and loss of consciousness. Outcomes for these visits range from mild therapies to hospitalization for more …
  • Detecting Coherent Structures in Syndromic Time Series Using Wavelets

    Content Type: Abstract

    Temporally localized outbreaks occur in the presence of a complex background, greatly complicating both retrospective and real-time detection. Numerous techniques have been proposed for adjusting thresholds to account for this variable background.… read more
    … data sets, including hospital emergency department visits coded for respiratory infection and ambulatory care visits coded for several syndromes. Here we illustrate the …