Abstract

Citalopram is a drug with many important safety considerations in prescribing including dosage adjustments, pre-prescription testing and multiple interactions. Because of this, the UK government issued advice regarding the prescription of citalopram and escitalopram in its Drug Safety Update Vol 5 Issue 5, Dec 2011,[1] and the expectation is that all prescribers adhere to this. To establish the adherence to prescribing guidance of citalopram at the practice level, implement change to address the lack of adherence and then evaluate the effectiveness of the change using re-audit techniques. Patients were identified using data searching techniques on EMIS for February-April 2020. Parameters searched for included age, hepatic impairment, cardiac disease, known QT prolongation and concomitant use with other QT-prolonging medication. Following the first cycle teaching on the safer use of citalopram was delivered to all prescribers and an EMIS prompt was also set up. A second audit cycle was then carried out. Data was analysed using Statistical Package for Social Sciences software to assess the significance of the results. Following the presentation of the first cycle findings and the introduction of the EMIS safety prompt, there was a statistically significant reduction in incorrect citalopram dose prescription in the over 65s (8 vs 1), a statistically significant reduction in the incidence of dangerous drug interactions involving citalopram (44 vs 8) and a significant reduction in the incidence of unsafe prescribing of citalopram overall (47 vs 9). The introduction of an EMIS prompt and one-off prescriber teaching resulted in a statistically significant reduction in incorrect prescriptions of citalopram when re-audited a year later. These interventions resulted in improved patient safety and more effective use of resources and could easily be replicated at other practices throughout the country both for citalopram and other drugs with multiple safety considerations.

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