Analyses van de zorgvraag op een SEH ondersteunen het management

Ong ME, Ho KK, Tan TP, Koh SK, Almuthar Z, Overton J, Lim SH. Using demand analysis and system status management for predicting ED attendances and rostering. Am J Emerg Med. 2009 Jan;27(1):16-22.

INTRODUCTION: It has been observed that emergency department (ED) attendances are not random events but rather have definite time patterns and trends that can be observed historically. OBJECTIVES: To describe the time demand patterns at the ED and apply systems status management to tailor ED manpower demand. METHODS: Observational study of all patients presenting to the ED at the Singapore General Hospital during a 3-year period was conducted. We also conducted a time series analysis to determine time norms regarding physician activity for various severities of patients. RESULTS: The yearly ED attendances increased from 113387 (2004) to 120764 (2005) and to 125773 (2006). There was a progressive increase in severity of cases, with priority 1 (most severe) increasing from 6.7% (2004) to 9.1% (2006) and priority 2 from 33.7% (2004) to 35.1% (2006). We noticed a definite time demand pattern, with seasonal peaks in June, weekly peaks on Mondays, and daily peaks at 11 to 12 am. These patterns were consistent during the period of the study. We designed a demand-based rostering tool that matched doctor-unit-hours to patient arrivals and severity. We also noted seasonal peaks corresponding to public holidays. CONCLUSION: We found definite and consistent patterns of patient demand and designed a rostering tool to match ED manpower demand.

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