Evaluation of ambulance offload delay at a university hospital emergency department

Derek R. Cooney, Susan Wojcik, Naveen Seth, Corey Vasisko, Kevin Stimson

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Background: Ambulance offload delay (AOD) has been recognized by the National Association of EMS Physicians (NAEMSP) as an important quality marker. AOD is the time between arrival of a patient by EMS and the time that the EMS crew has given report and moved the patient off of the EMS stretcher, allowing the EMS crew to begin the process of returning to service. The AOD represents a potential delay in patient care and a delay in the availability of an EMS crew and their ambulance for response to emergencies. This pilot study was designed to assess the AOD at a university hospital utilizing direct observation by trained research assistants. Findings: A convenience sample of 483 patients was observed during a 12-month period. Data were analyzed to determine the AOD overall and for four groups of National Emergency Department Overcrowding Scale (NEDOCS) score ranges. The AOD ranged from 0 min to 157 min with a median of 11 min. When data were grouped by NEDOCS score, there was a statistically significant difference in median AOD between the groups (p < 0.001), indicating the relationship between ED crowding and AOD. Conclusion: The median AOD was considered significant and raised concerns related to patient care and EMS system resource availability. The NEDOCS score had a positive correlation with AOD and should be further investigated as a potential marker for determining diversion status or for destination decision-making by EMS personnel.

Original languageEnglish
Article number15
JournalInternational Journal of Emergency Medicine
Volume6
Issue number1
DOIs
StatePublished - Dec 2013
Externally publishedYes

Keywords

  • Ambulance
  • Diversion
  • Dropoff delay
  • EMS
  • EMTALA
  • NEDOCS
  • Offload delay
  • Parking
  • Prehospital
  • Return to service
  • Turn around time
  • Wait time

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