Displaying results 449 - 456 of 570
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Seasonal Patterns of Respiratory Diseases: a Proxy for Influenza?
Content Type: Abstract
One of the most important goals of disease surveillance is to identify the "what" and "when" of an epidemic. Influenza surveillance is made difficult by inconsistent laboratory testing, deficiencies in testing techniques, and coding… read more… 2001 to Oct 2005. Data were diagnoses for all hospital visits (ED, inpatient, observation). GI visits (N= 1,167,711) were selected by ICD-9 codes using … was significant. RESULTS In Figure 1, numbers of visits with a GI Dx are displayed as overlapping one-year … -
Evaluating University syndromic surveillance systems during the 2009 H1N1 influenza pandemic
Content Type: Abstract
Syndromic surveillance has been widely adopted as a real-time monitoring tool in early response to disease outbreaks. In order to provide real-time information on the impact of 2009 H1N1 during the Fall 2009 semester, Georgetown … read more… illness (ILI) cases reported to medical staff: ED visits (GU and GWU Hospital emergency room visits records for patients aged 17–24 years with ILI), SHC (total of visits to the GU and GWU student health centers), off-hour … -
Effect of expanded recommendations for pediatric seasonal influenza vaccination: an international comparison
Content Type: Abstract
Seasonal influenza epidemics are responsible for over 200,000 hospitalizations in the United States per year, and 39,000 of them are in children. In the United States, the Advisory Committee on Immunization Practices guides… read more… to make an international comparison of rates of ED visits for influenza-like illness (ILI) following the United … the post-policy change response of ILI-related ED visits to Children’s Hospital Boston, using Montreal … We observed a 34% decline in the rate of ILI-related ED visits among two- to four-year-olds for Children’s Hospital … -
Evaluation of the Connecticut Hospital Emergency Department Syndromic Surveillance System for Monitoring of Community Gastrointestinal Illness
Content Type: Abstract
The HEDSS system was implemented in 2004 to monitor disease activity [1]. Twenty of 32 emergency departments (ED) and 1 urgent care clinic provide data. Chief complaints are routinely categorized into 8 syndromes. Although previous studies have… read more… reportable events. Weekly percentage of HEDSS GI syndrome visits (combined GI, vomiting, diarrhea and bloody diarrhea) … diseases using correlation coefficients. GI syndrome ED visits were also examined by geographical region and age. … vomiting has a greater magnitude than diarrhea. ED GI visits were correlated with GI hospital admissions (r�0.73, … -
National Syndromic Surveillance Program (NSSP) BioSense Syndrome Definitions Workgroup - Report
Content Type: Report
This report summarizes a series of seven meetings of the Syndrome Definition Workgroup held in 2014 and 2015. Objective To review, validate, and modify syndromes and provide community input on a process to update or… read more… requested flexibility in how to categorize and display visits as syndromes. NSSS users stated that they would like … diagnosis, triage notes) that are referenced when visits are “binned” into a syndrome. There was a desire for the flexibility to view visits where a syndrome definition included terms from the … -
Applying classification and anomaly detection techniques to real-world data
Content Type: Abstract
Real-world public health data often provide numerous challenges. There may be a limited amount of background data, data dropouts, noise, and human error. The data from an emergency department (ED) in Urbana, IL includes a … read more… week- ends, and also adjust for the total number of ED visits on a particular day. For comparison, we grouped the … weekends and weekdays, and adjusted for total number of visits. Results For the Flu-Like Illness Syndrome, the … from weekday data and adjusted for the total number of ED visits was the most sensitive, generating alerts on 19 days … -
The Impact of Hurricane Katrina Evacuees from Louisiana and Mississippi on Georgia Emergency Departments: Syndromic Surveillane and Disasters
Content Type: Abstract
On August 29, 2005, Hurricane Katrina made landfall just east of New Orleans, LA at 6:10AM CST and again at the LA/MS border at 10:00AM CST as a Category 3 hurricane, causing mass destruction along their coastlines. The devastation in LA and MS… read more… RESULTS There was a 7-fold increase in the rate of ED visits by LA and MS residents from the pre- to the post- … correlations were noted between the number of ED visits by individual zip codes and their racial, poverty, or … seen; however, a >2.5-fold increase in medication refill visits was observed (Table). Several spatial- and … -
An Adaptive Anomaly Detection Algorithm
Content Type: Abstract
Ideal anomaly detection algorithms shoulddetect both sudden and gradual changes, while keeping the background false positive alert rate at a tolerable level. The algorithms should also be easy to use. Our objective was to develop an anomaly… read more… C2 or C3 alert. The test data were time series of daily visits from two emergency departments (ED) for two … with the usual 2.0 cut-off for two EDs. ORIGINAL GI DAILY VISITS, ~19 MONTHS, ED1 GI 4-DAY OUTBREAKS ROC COMPARISON …