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Displaying results 97 - 104 of 312
  • 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 …
  • Emergency Department Visits for Influenza-Like Illness and Over the Counter Sales of Flu Remedies in the National Capitol Region, 2003-2007

    Content Type: Abstract

    The Maryland Department of Health and Mental Hygiene conducts enhanced surveillance using the Electronic Surveillance System for Early Notification of Community-Based Epidemics (ESSENCE). The current version of ESSENCE for the… read more
    … for Early Notification of Community-Based Epidemics (ESSENCE). The current version of ESSENCE for the National … if people self-treat with OTC medications.2 METHODS In ESSENCE, ED data for the chief complaint subsyndrome of …
  • Using clinician mental models to guide annotation of medically unexplained symptoms and syndromes found in VA clinical documents

    Content Type: Abstract

    Medically unexplained syndromes (MUS) are conditions that are diagnosed on the basis of symptom constellations and are characterized by a lack of well-defined pathogenic pathways. The three most common MUS are chronic fatigue … read more
    … will support building a reference standard used for training and evaluation of a Natural Language Processing … will support building a reference standard used for training and evaluation of a Natural Language Processing … of clinician annotators. Annotated data can be used to train NLP tools for related surveillance tasks including …
  • Real-time Adaptive Monitoring of Vital Signs for Clinical Alarm Preemption

    Content Type: Abstract

    Cardiovascular event prediction has long been of interest in the practice of intensive care. It has been approached using signal-processing of vital signs [1-4], including the use of graphical models [3,4]. Our approach is novel in making data… read more
    … and in real time, without requiring patient-specific training data if the patient-specific feedback signal is … and in real time, without requiring patient-specific training data if the patient-specific feedback signal is … subsampling, using data from the patients held out of the training set. The proposed approach brings the AUC metric …
  • The NGram CC Classifier: A Novel Method of Automatically Creating CC Classifiers Based on ICD9 Groupings

    Content Type: Abstract

    Syndromic surveillance of emergency department (ED) visit data is often based on computer algorithms which assign patient chief complaints (CC) to syndromes. ICD9 code data may also be used to develop visit classifiers for syndromic surveillance but… read more
    … (AT&T Labs). The method applies the ICD9 classifier to a training set of ED visits for which both the CC and ICD9 … visits). We used as our ICD9 classifier an existing ESSENCE filter for “lower GI” modified by removing …
  • Framework for the Development of Response Protocols for Public Health Syndromic Surveillance Systems

    Content Type: Abstract

    Although syndromic surveillance cannot serve its intended purpose without the timely public health response launched after aberration detection, the literature is very limited with respect to response to syndromic surveillance… read more
    … protocols was based on experience with a single system, ESSENCE, and concluded that careful development of an … protocols was based on ex- perience with a single system, ESSENCE, and con- cluded that careful development of an …
  • 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 …
  • Survey of Syndromic Surveillance Uses

    Content Type: Abstract

    Syndromic surveillance is the surveillance of healthrelated data that precedes diagnosis to detect a disease outbreak or other health related event that warrants a public health response. Though syndromic surveillance is… read more
    … for the Early Notification of Community-based Epidemics (ESSENCE) which it has deployed in partnership with the … information including data from Biosense and ESSENCE. The University of Pittsburgh has also developed a …