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Displaying results 241 - 248 of 458
  • Content Type: Abstract

    Most research in syndromic surveillance has emphasized early detection, but clinical diagnosis of the index case will tend to occur before detection by syndromic surveillance for certain types of outbreaks [1]. Syndromic surveillance may, however,… read more
    … at time t, we define a window of w days duration to ‘look back’ for excess cases. For each day d in the window, we … cases. We then sum the residuals over days in the ‘look back’ window to obtain an estimate of the disease burden … we conducted a simulation study using ambulatory visit records for respiratory conditions. We used a model …
  • Content Type: Abstract

    The impetus for the development of many first syndromic surveillance systems was the hope of detecting infectious disease outbreaks earlier than with traditional surveillance. Various data sources have been suggested as potential… read more
    … 14 pediatric questionnaires, with 55% reporting a first visit for the current problem. The most frequent complaint … joint aches and rhinorrhea. Only 4% reported the day of visit as the first day they had symptoms. 53% reported that … illness, with 34% absent before the day of the healthcare visit. A minority of patients accessed advice via phone …
  • Content Type: Abstract

    The CDC's BioSense Program receives near real-time health care utilization data from a number of sources, including Department of Defense (DoD) healthcare facilities from around the globe and non-federal hospital emergency departments (EDs) in the… read more
    … was a 2- to 5-day lag time between the time of patient visit and time when ICD-9-CM-coded final diagnoses were … for the following keywords indicating a KI-related visit: (1) potas*, pottas*; (2) iodine, iodide; (3) KI; (4) … radiation, radeation; (5) nuclea*; (6) Japan. A given ED visit was considered a match if the content of the CC met …
  • Content Type: Abstract

    Detection of biological threat agents (BTAs) is critical to the rapid initiation of treatment, infection control measures, and public health emergency response plans. Due to the rarity of BTAs, standard methodology for developing syndrome… read more
    … neighboring states. These problems were compounded by the lack of an effective HUS treatment, causing health officials … as point source outbreaks. Querying preestablished ED visit, coroner death, and 911 call feeds can provide a … which should inform prescription practices. There is lack of demand and reliance on drug sensitivity tests by the …
  • Content Type: Abstract

    Effective public health response to emerging infectious diseases, natural disasters, and bioterrorism requires access to real-time, accurate information on disease patterns and healthcare utilization. The ESSENCE surveillance… read more
    … consolidated. Test results could not be monitored due to lack of stan- dardized reporting, so only test orders were … Practice patterns and laboratory test/outpatient visit associations vary by region, so monitoring may be most …
  • 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 … relevant facilities. Their responses can involve sending back data to fill in gaps, amending their internal data …
  • Content Type: Abstract

    Determine if poor air quality resulting from wildfires could be measured in the general population by monitoring smoke-related respiratory Emergency Department (EDs) visits.
    … week of November to further quantify the change in ED visit frequency resulting from the poor air quality. RESULTS … include potential syndrome misclassification due to the lack of definitive diagnosis data for most of the EDs, the …
  • Content Type: Abstract

    Microorganisms resistant to antibiotics (ABX) increase the mortality, morbidity and costs of infections. In the absence of a drug development pipeline that can keep pace with the emerging resistancemechanisms, these organisms are expected… read more
    … were then manu- ally abstracted on the day of each index visit for all information required to establish … of acute respiratory tract infections in adults: back- ground, specific aims, and methods. (2001). Ann Intern …