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Displaying results 1 - 8 of 10
  • Defining emergency department asthma visits for public health surveillance

    Content Type: Abstract

    Tracking emergency department (ED) asthma visits is an important part of asthma surveillance, as ED visits can be preventable and may represent a failure of asthma control efforts. When using limited clinical ED datasets for secondary purposes such… read more
    … Tracking emergency department (ED) asthma visits is an important part of asthma surveillance, as ED … only the primary ICD-9-CM diagnosis assigned to the ED visit; however, doing so may underestimate the public health … ehtj11115 ehtj11120 ehtj11024 ehtj11060 ehtj11110 26-50 ehtj11034 ehtj11198 ehtj11174 ehtj11048 ehtj11154 …
  • Defining and Applying a Method for Establishing Gold Standard Sets of Emergency Room Visit Data

    Content Type: Abstract

    The goal of this paper is to describe a methodology used to create a gold standard set of emergency department (ED) data that can subsequently be used to evaluate the sensitivity and specificity of syndrome definitions.
    … thod_For_Establishing_Gold_Standard_Sets_Of_Emergency_Room_Visit_Data.pdf Submitted by elamb on Mon, 07/30/2018 - 08:40 … definitions. METHODS There are about 1.1 millions total visits in the North Carolina Disease Event Tracking and … 2005 static database. Once we removed all injury related visits we were left with 956,015 records. Automated and …
  • Triage Note in Emergency Department-Based Syndromic Surveillance

    Content Type: Abstract

    The North Carolina Bioterrorism and Emerging Infection Prevention System (NC BEIPS) receives daily emergency department (ED) data from 33 (29%) of the 114 EDs in North Carolina. These data are available via a Web-based portal and the Early… read more
    … syndrome queries. METHODS We selected a sample of 500 ED visits from the 2004 NC BEIPS data warehouse. Two hundred … categories based on clinical case definition. All visits were electronically processed for SS twice, once … [3] Wagner, MM, Espino J, Tsui FC, et al. Syndrome and outbreak detection using …
  • Making the Best Use of Textual ED Data for Syndromic Surveillance

    Content Type: Webinar

    In this webinar Dr. Travers will review two tools developed at the University of North Carolina at Chapel Hill, which aid in processing textual CC’s and triage notes in support of syndromic surveillance. Textual data from emergency departments… read more
    … can still be problematic. Chief complaints from ED visits are a common data source for syndromic surveillance, … Developed*& Validated# • Sublanguage analysis, 39,038 ED visits • Validated on 203,509 ED visits • Expert panel review of output, 96% accurate • …
  • Emergency Department Data Quality Best Practices

    Content Type: Abstract

    Data quality for syndromic surveillance extends beyond validating and evaluating syndrome results. Data aggregators and data providers can take additional steps to monitor and ensure the accuracy of the data. In North Carolina,… read more
    … of data elements that should not change, i.e. time of visit, discharge disposition, etc. The aggregate trends monitored (for each hospital) include a) number of visits/day, b) percentage distributions for disposition, … acuity and insurance codes and c) percentage of visits that receive a diagnosis code, percentage that …
  • Evaluation of Emergency Medical Text Processor for Pre-Processing Chief Complaint Data for Syndromic Surveillance

    Content Type: Abstract

    The goal of this project is to compare automated syn-dromic surveillance queries using raw chief complaints to those pre-processed with the Emergency Medical Text Processor (EMT-P) system.
    … syn- dromic surveillance queries using raw chief com- plaints to those pre-processed with the Emergency … data warehouse included 813,536 emergency department (ED) visits. The ED records are queried daily with 6 syndrome … METHODS This study analyzed a subset of the 1,000 ED visits which were previously sampled from the 2004 NC BEIPS …
  • In Search of a Controlled Vocabulary for Emergency Department Chief Complaint: A Comparison of Four Published Chief Complaint Lists

    Content Type: Abstract

    The lack of a standardized vocabulary for recording CC complicates the collection, aggregation, and analysis of CC for any purpose, but especially for real-time surveillance of patterns of illness and injury. The need for a controlled CC vocabulary… read more
    … included them all [1-4]. We used the top 20 ‘Reasons for Visits’ (RFV) from the 2005 Emergency Department Sum- mary … the first 20 RFV so a more extensive evaluation of RFV may have different results. We found: 1) all lists … Med 2001; 8(10):980-989. [5]Schneider, D ‘A Reason for Visit Classification for Ambulatory Care’ US DHEW …
  • Improving Negation Processing in Triage Notes

    Content Type: Abstract

    Emergency Department (ED) triage notes are clinical notes that expand upon the chief complaint, and are included in the AHIC minimum dataset for biosurveillance.1  Clinical notes can improve the accuracy of keyword-based syndromes but require… read more
    … a sample of NC DETECT records that included the 4432 ED visits with triage notes for 11/22/2006 and 11/23/2006. … submitted tri- age notes, which comprised 30% of all visits for those dates. We then manually selected a sample … and type of negation. The final sample included 177 visits con- taining negated terms, from 18 of the 19 NC DE- …