Economic Evaluation of Ready-to-use Injectable Medications by Pharmacy Department Compared with the Traditional System of Individual Preparation by Nurse

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Prapaporn Noparatayaporn
Tanita Thaweethamcharoen
https://orcid.org/0000-0002-6093-779X
Apirom Laocharoenkeat
Panitta Narkchuay
Anchalika Klinniyom
Cherdchai Nopmaneejumruslers
Khemchat Wangtawesap
Siriporn Pitimana-aree
Darin Sakiyalak

Abstract

Objective: To dispense medication in a form of ready to use (RTU) medication was recommended by the standards of
Joint Commission International (JCI) and Standard Guidelines of Hospital Pharmacy for preventing the medication
error. However, the cost and benefit were questionable. The costs may increase while benefits were unclear. Before
making the implementation decision, the cost of investment and benefit between traditional (injectable medication
is prepared by nurse) and RTU systems (injectable medication is prepared by pharmacy department) should be
evaluated.
Methods: This study compared the cost and benefit of injectable medication administration between the traditional
system and the RTU system within a large academic hospital. The decision tree was designed to produce comparable
data on the hospital’s perspective. The time horizon was 10 years thus all costs were discounted at 3% annually.
Sensitivity analysis was performed to test the stability of the results.
Results: The cost of investment at 10-year intervals of the RTU system was lower than the traditional system by
about 18,710,160 baht. The benefit was decreased 19.32 full time equivalents (FTEs) of nurse when compared with
the traditional system. The result showed that the five most sensitive variables were number of doses, mixing time
per dose (prepared by nurse), space for production, salary and fringe benefits of pharmacists, and mixing time per
dose (prepared by pharmacist).
Conclusion: The RTU system saved 1,871,016 baht per year and 19.32 FTEs of nurse. Moreover, the RTU system
enhanced the opportunity of nurses and pharmacists to play more professional role and promoted the efficient
health care system.

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How to Cite
Noparatayaporn, P., Thaweethamcharoen, T., Laocharoenkeat, A., Narkchuay, P., Klinniyom, A., Nopmaneejumruslers, C., Wangtawesap, K., Pitimana-aree, S., & Sakiyalak, D. (2019). Economic Evaluation of Ready-to-use Injectable Medications by Pharmacy Department Compared with the Traditional System of Individual Preparation by Nurse. Siriraj Medical Journal, 71(1), 25–30. https://doi.org/10.33192/Smj.2019.05
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Original Article