Effect of Automated Drug Distribution Systems on Medication Error Rates in a Short-stay Geriatric Unit

Overview

Journal J Eval Clin Pract

Specialties General Medicine
Health Services

Date 2014 Jun 12

PMID 24917185

Citations 19

Authors

Etienne Cousein

Julie Mareville

Alexandre Lerooy

Antoine Caillau

Julien Labreuche

Delphine Dambre

Pascal Odou

Jean-Paul Bonte

Francois Puisieux

Bertrand Decaudin

Patrick Coupe

Affiliations

Soon will be listed here.

Abstract

Rationale, Aims And Objectives: To assess the impact of an automated drug distribution system on medication errors (MEs).

Methods: Before-after observational study in a 40-bed short stay geriatric unit within a 1800 bed general hospital in Valenciennes, France. Researchers attended nurse medication administration rounds and compared administered to prescribed drugs, before and after the drug distribution system changed from a ward stock system (WSS) to a unit dose dispensing system (UDDS), integrating a unit dose dispensing robot and automated medication dispensing cabinet (AMDC).

Results: A total of 615 opportunities of errors (OEs) were observed among 148 patients treated during the WSS period, and 783 OEs were observed among 166 patients treated during the UDDS period. ME [medication administration error (MAE)] rates were calculated and compared between the two periods. Secondary measures included type of errors, seriousness of errors and risk reduction for the patients. The implementation of an automated drug dispensing system resulted in a 53% reduction in MAEs. All error types were reduced in the UDDS period compared with the WSS period (P<0.001). Wrong dose and wrong drug errors were reduced by 79.1% (2.4% versus 0.5%, P=0.005) and 93.7% (1.9% versus 0.01%, P=0.009), respectively.

Conclusion: An automated UDDS combining a unit dose dispensing robot and AMDCs could reduce discrepancies between ordered and administered drugs, thus improving medication safety among the elderly.

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