• I L Vegting, P W B Nanayakkara, A E van Dongen, E Vandewalle, J van Galen, M H H Kramer, J Bonjer, G M Koole, and M C Visser.
• Department of Emergency Medicine, VU University Medical Centre, Amsterdam, The Netherlands.
• Neth J Med. 2011 Sep 1;69(9):392-8.

AbstractCongestion with prolonged stay in the emergency department (ED) is associated with poor health outcomes. Many factors contribute to ED congestion. This study investigates the length of time spent in the ED (time to completion) and the factors contributing to prolonged stay in an academic ED. Data of ED patients were prospectively collected during four weeks in February 2010. Presentation time, referrer, discharge destination, and medical specialities involved were registered in 2510 patients. Additional detailed data about relevant time steps were collected from 66 patients in the triage category Emergency Severity Index (ESI) 3. The Pearson's chi-square test and the Mann-Whitney test were used for statistical analysis. Time to completion was longer than four hours in 13% of patients (average in total population 2:23 hours). In ESI 3 patients, 24% stayed longer than four hours in the ED (p<0.001). Internal medicine had most patients exceeding the four-hour target (37%), followed by neurology (29%). Undergoing a CT scan, treatment by multiple specialities, age above 65 years and hospital admission were associated with exceeding the four-hour target (p<0.001). The elapsed time between receiving test results and admission/discharge also influenced the completion time (p<0.001). A significant percentage of vulnerable and ill patients with triage category ESI 3 exceeded the four-hour completion time in our ED. Absence of coordination of care when multiple specialists were involved and delay in the process of decision-making after completion of all diagnostics on the ED were among other factors responsible for this prolonged stay. Improving the coordination of care will, in our opinion, speed up the decision-making process and lead to shortening of completion times in many patients.

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