• J Nurs Adm · Nov 2015

    Using Computer Simulation to Study Nurse-to-Patient Ratios in an Emergency Department.

    • Philip L Henneman, Seung Yeob Shin, Yuriy Brun, Hari Balasubramanian, Fidela Blank, and Leon J Osterweil.
    • Author Affiliations: Professor and Attending Physician (Dr Henneman) and Assistant Professor and Nurse Research Coordinator (Ms Blank), Department of Emergency Medicine at Tufts University School of Medicine, Baystate Medical Center, Springfield, Massachusetts; PhD Candidate (Mr Shin) and Assistant Professor (Dr Brun), School of Computer Science, and Associate Professor (Dr Balasubramanian), College of Engineering, University of Massachusetts, Amherst; and Professor (Dr Osterweil), School of Computer Science, University of Massachusetts, Amherst.
    • J Nurs Adm. 2015 Nov 1; 45 (11): 551-6.

    ObjectiveTo study the impact of nurse-to-patient ratios on patient length of stay (LOS) in computer simulations of emergency department (ED) care.MethodsMultiple 24-hour computer simulations of emergency care were used to evaluate the impact of different minimum nurse-to-patient ratios related to ED LOS, which is composed of wait (arrival to bed placement) and bedtime (bed placement to leave bed).ResultsIncreasing the number of patients per nurse resulted in increased ED LOS. Mean bedtimes in minutes were impacted by nurse-to-patient ratios.ConclusionsIn computer simulation of ED care, increasing the number of patients per nurse resulted in increasing delays in care (ie, increasing bedtime).

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