Displaying results 353 - 360 of 458
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Evaluating the Effectiveness of Using Syndromic Surveillance to Identify a Neuro-Invasive Disease Outbreak in Los Angeles County
Content Type: Abstract
In November of 2001 a syndromic surveillance system was established in Los Angeles (LA) County to analyze emergency department (ED) chief complaints in select hospitals. Chief complaints were analyzed and categorized into a syndrome (rash,… read more… classification, and dates of interest (onset date, ED visit date) were reviewed for cases that visited a syndromic … -
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.… by two clinical experts who determined whether the visit met the ILI clinical case definition. Any … -
Fast and Flexible Outbreak Detection by Linear-Time Subset Scanning
Content Type: Abstract
The spatial scan statistic [1] detects significant spatial clusters of disease by maximizing a likelihood ratio statistic over a large set of spatial regions. Typical spatial scan approaches either constrain the search regions to… read more… spatial scans, with and without LTSS, on 281 days of ED visit data from 88 Allegheny County zip codes. Various scan … -
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… G, Bamberger A, Friedman C. Fever Detection in Clinic Visit Notes Using a General Purpose Processor. Advances in … -
Maximum Entropy Models in Chief Complaint Classification
Content Type: Abstract
This paper describes a novel approach to the statistical classification of free-text chief complaints for the purpose of syndromic surveillance.… geographic and temporal features of the patient and/or visit could also potentially augment the model. Other … -
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 … -
Improved diagnosis of group A streptococcal pharyngitis using real-time biosurveillance
Content Type: Abstract
Group A Streptococcal (GAS) pharyngitis, the most common bacterial cause of acute pharyngitis, causes more than half a billion cases annually worldwide. Treatment with antibiotics provides symptomatic benefit and reduces complications… read more… across six states. Anonymized extracted data included visit date, location, signs and symptoms included in the … -
Improved diagnosis of group A streptococcal pharyngitis using real-time biosurveillance
Content Type: Abstract
Group A Streptococcal (GAS) pharyngitis, the most common bacterial cause of acute pharyngitis, causes more than half a billion cases annually worldwide. Treatment with antibiotics provides symptomatic benefit and reduces complications, missed work… read more… across six states. Anonymized extracted data included visit date, location, signs and symptoms included in the …