• B G Katona, P R Ayd, J K Walters, M Caspi, and B W Finkelstein.
• Department of Pharmacy, Francis Scott Key Medical Center, Baltimore, MD 21224.
• Am J Hosp Pharm. 1989 Jun 1; 46 (6): 1179-82.

AbstractThe effect of interventions by a pharmacist and a nurse on the cost of drug therapy in a medical intensive-care unit (ICU) was determined. A pharmacist taught cost-avoidance concepts related to medication use to a senior member of the nursing staff. The pharmacist and the nurse documented during a 91-day period all interventions that resulted in a discontinuation or change in drug therapy or involved nonformulary drug requests or serum drug concentration determinations. Costs that were avoided or added as a result of these interventions were determined using drug acquisition costs and (for interventions involving i.v. therapy) the cost of related supplies. Costs were calculated for both the initial 24-hour period after each intervention and the expected duration of therapy. The 345 interventions of the pharmacist and the nurse represented $6,383 in 24-hour cost avoidance and $23,993 in total cost avoidance. The majority of interventions resulted in discontinuation of medications or changes in drug dosage; most of those interventions involved antimicrobial agents. Other frequent interventions involved changes in route of administration and the interchange of therapeutic alternates. A pharmacist and a nurse had a positive impact on the cost of drug therapy in a medical ICU.

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