Pharmacy Automation in Navy Medicine: A Study of Naval Medical Center San Diego
NAVAL POSTGRADUATE SCHOOL MONTEREY CA
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In August 2012, Naval Medical Center San Diego implemented a state-of-the-art pharmacy automation system in an effort to reduce cost and improve efficiency. The objective of this study is to quantify the increase in efficiency after installation through a focus on observed post-automation prescription fill times during calendar year 2014 CY2014 and a simulated pre-automation process. With a response of average daily prescription fill time, automatic prescription fills in CY2014 are quicker than manual prescription fills in CY2014 by 6.97- 0.97 standard error minutes, and post-automation prescription fills are quicker than pre-automation prescription fills by 4.4 - 0.34 minutes. The difference between pre-automation and post-automation prescription fills is used as the response in a linear regression to determine which factors most contribute to the decrease in prescription fill time. The proportion of prescriptions automated is influential if this proportion is held constant at 0.37, the workload for each pharmacy technician can be reduced by an estimated 2.34 - 0.03 standard deviation hours per day. A cost analysis of the pharmacy automation system is conducted, and it is estimated that a lower bound on the annual cost savings after implementation is over 300,000.
- Medicine and Medical Research