Abstract
Purpose
Published studies have shown that pharmacists on medical rounds reduce the incidence of preventable adverse drug events (ADEs). However, the impact of a dedicated pharmacist who provides consistent patient care in a critical care unit remains to be evaluated.
Objective
To determine the impact of a pharmacist who is permanently assigned to the medical intensive care unit (MICU) on the incidence of preventable ADEs, drug charges, and length of stay (LOS) in the MICU.
Design
A randomized, experimental versus historical control group design was used. Preventable ADEs were identified and validated by 2 pharmacists and a critical care physician. Information about MICU drug charges and LOS were obtained from the hospital administrative database.
Results
The intervention group had fewer occurrences of ADEs (10 ADEs/1,000 patient days) when compared to the control group (28 ADEs/1,000 patient days) at a significance level of .03. No significant differences were found between the 2 groups in MICU drug charges and LOS. The vast majority of the 596 documented recommended interventions (99%) were accepted by the medical team. Nutrition monitoring, medication indicated but not prescribed, and dosage modification were the top 3 problems identified by the pharmacist.
Conclusion
The addition of a dedicated critical care pharmacist to the MICU medical team improves the safe use of medication. The services of a dedicated critical care pharmacist should be expanded to include weekend hours to ensure the benefits of improved medication safety.
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