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Emerg Med J 29:954-960 doi:10.1136/emermed-2011-200684
  • Original articles

Establishing an emergency department syndromic surveillance system to support the London 2012 Olympic and Paralympic Games

  1. Gillian E Smith1
  1. 1Real-time Syndromic Surveillance Team, Health Protection Agency, Birmingham, UK
  2. 2Emergency Department, Oxford Radcliffe Hospitals NHS Trust, Oxford, UK
  3. 3The College of Emergency Medicine, London, UK
  4. 4Emergency Department, Barnsley Hospital NHS Foundation Trust, Barnsley, UK
  5. 5Emergency Department, Leeds Teaching Hospitals NHS Trust, Leeds, UK
  6. 6Emergency Preparedness, NHS London, London, UK
  7. 7Health Protection Services (Colindale), Health Protection Agency, London, UK
  8. 8Health Protection Agency London, Health Protection Agency, London, UK
  1. Correspondence to Dr Alex J Elliot, HPA Real-time Syndromic Surveillance Team, 6th Floor 5 St Philips' Place, Birmingham B3 2PW, UK; alex.elliot{at}hpa.org.uk
  1. Contributors AJE, TCH, HEH and GES designed the study: they are the guarantors. All authors have contributed to design and steer of the EDSSS. AJE drafted the original manuscript. All authors contributed to drafting and have seen and approved the final version of the manuscript.

  • Accepted 4 December 2011
  • Published Online First 25 February 2012

Abstract

Background The London 2012 Olympic and Paralympic Games is a mass gathering event that will present a major public health challenge. The Health Protection Agency, in collaboration with the College of Emergency Medicine, has established the Emergency Department Sentinel Syndromic Surveillance System (EDSSS) to support the public health surveillance requirements of the Games.

Methods This feasibility study assesses the usefulness of EDSSS in monitoring indicators of disease in the community. Daily counts of anonymised attendance data from six emergency departments across England were analysed by patient demographics (age, gender, partial postcode), triage coding and diagnosis codes. Generic and specific syndromic indicators were developed using aggregations of diagnosis codes recorded during each attendance.

Results Over 339 000 attendances were recorded (26 July 2010 to 25 July 2011). The highest attendances recorded on weekdays between 10:00 and 11:00 and on weekends between 12:00 and 13:00. The mean daily attendance per emergency department was 257 (range 38–435). Syndromic indicators were developed including: respiratory, gastrointestinal, cardiac, acute respiratory infection, gastroenteritis and myocardial ischaemia. Respiratory and acute respiratory infection indicators peaked during December 2010, concomitant with national influenza activity, as monitored through other influenza surveillance systems.

Conclusions The EDSSS has been established to provide an enhanced surveillance system for the London 2012 Olympics. Further validation of the data will be required; however, the results from this initial descriptive study demonstrate the potential for identifying unusual and/or severe outbreaks of infectious disease, or other incidents with public health impact, within the community.

Footnotes

  • Funding This surveillance is undertaken as part of the national surveillance function of the Health Protection Agency.

  • Competing interests None.

  • Ethics approval Information governance approval was obtained at the NHS Trust of each emergency department involved in the EDSSS project.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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