• Emerg Med Australas · Dec 2014

    Clearing emergency departments and clogging wards: National Emergency Access Target and the law of unintended consequences.

    • Marlon L Perera, Alexander W Davies, Neiraja Gnaneswaran, Marian Giles, Danny Liew, Peter Ritchie, and Steven T F Chan.
    • Department of Surgery, Western Health, Melbourne, Victoria, Australia.
    • Emerg Med Australas. 2014 Dec 1; 26 (6): 549-55.

    ObjectiveTo assess ED length of stay (EDLOS), access block, inpatient length of stay (IPLOS) and waiting times before and after the implementation of the National Emergency Access Target (NEAT).MethodsThis was designed as a retrospective cohort study and data was collected from electronic patient management systems. The control group represented all emergency presentations between June 2011 and September 2011, 1 year prior to the introduction of NEAT. The study groups were assessed and included all ED presentations between June and September 2012 and 2013 respectively. Main outcome measures were waiting times, EDLOS, proportion of patients cleared from the ED within NEAT goals, hospital length of stay and hospital mortality rates.ResultsA cumulative total of 76 935 patients were included in the study. During the course of the study, clearance from the ED within NEAT targets rose from 49.0% to 53.2% [relative risk (RR) 1.09; 95% CI, 1.07-1.11; P < 0.001]. ED waiting times decreased from 1.05 h [interquartile range (IQR), 0.43-2.27] to 0.45 h (IQR, 0.17-1.22) (P < 0.001) and time from bed-request to ward access increased. Utilisation of emergency short stay units (SSU) increased significantly across the study period from 6.5% to 13.4% (P < 0.001). Rates of inpatient transfers increased eightfold (RR, 7.93; 95% CI, 5.98-10.51; P < 0.001) and IPLOS increased by 21% from 2.05 (IQR, 0.75-4.96) to 2.50 days (IQR, 1.12-4.99) (P < 0.001). Hospital mortality remained unchanged from 3.0% to 3.3% (RR, 1.10; 95% CI, 0.91-1.34; P = 0.311).ConclusionsAt the current institution NEAT success has been guarded, likely secondary to availability of inpatient beds. The implementation of NEAT appears to have reduced emergency waiting times. These early results suggest concurrent a detrimental effect on IPLOS; however, some of this effect may be a result of a large increase in short stay admissions.© 2014 Australasian College for Emergency Medicine and Australasian Society for Emergency Medicine.

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