• Elizabeth van Veen-Berkx, Sylvia G Elkhuizen, Bart Kuijper, Geert Kazemier, and Dutch Operating Room Benchmarking Collaborative.
• Department of Operating Rooms, Erasmus University Medical Center Rotterdam, s-Gravendijkwal 230, 3015 CE Rotterdam, The Netherlands. Electronic address: e.berkx@erasmusmc.nl.
• Am. J. Surg. 2016 Jan 1; 211 (1): 122-8.

BackgroundTwo approaches prevail for reserving operating room (OR) capacity for emergency surgery: (1) dedicated emergency ORs and (2) evenly allocating capacity to all elective ORs, thereby creating a virtual emergency team. Previous studies contradict which approach leads to the best performance in OR utilization.MethodsQuasi-experimental controlled time-series design with empirical data from 3 university medical centers. Four different time periods were compared with analysis of variance with contrasts.ResultsPerformance was measured based on 467,522 surgical cases. After closing the dedicated emergency OR, utilization slightly increased; overtime also increased. This was in contrast to earlier simulated results. The 2 control centers, maintaining a dedicated emergency OR, showed a higher increase in utilization and a decrease in overtime, along with a smaller ratio of case cancellations because of emergency surgery.ConclusionThis study shows that in daily practice a dedicated emergency OR is the preferred approach in performance terms regarding utilization, overtime, and case cancellations.Copyright © 2016 Elsevier Inc. All rights reserved.

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