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Improvement of drug prescribing in acute kidney injury with a nephrotoxic drug alert system
  1. Paloma Arias Pou1,
  2. Irene Aquerreta Gonzalez2,
  3. Antonio Idoate García2,
  4. Nuria Garcia-Fernandez2
  1. 1Hospital Pharmacy, Clínica Universidad de Navarra, Madrid, Spain
  2. 2Hospital Pharmacy, Clínica Universidad de Navarra, Pamplona, Spain
  1. Correspondence to Dr Paloma Arias Pou, Hospital Pharmacy, Clínica Universidad de Navarra, Madrid, 28036, Spain; parias{at}unav.es

Abstract

Objective Electronic alert systems have shown their capacity for improving the detection of acute kidney injury (AKI). The aim of this study was to design and implement a clinical decision support system (CDSS) for improving drug selection and reducing nephrotoxic drug use in patients with AKI.

Methods The study was designed as an intervention study comparing a pre and post cohort of patients admitted during April 2014 and April 2015, respectively (phase I and phase II). The intervention was a CDSS which provided kidney function and nephrotoxic drug information. Furthermore, an interruptive alert was designed to detect patients suffering an AKI event while taking a nephrotoxic drug and to see if the dose was then reduced or the drug was discontinued by the physicians.

Results One-third of the inpatients were included in the analysis because they met the inclusion criteria (1004 and 1002 patients in phases I and II, respectively). 735 and 761 of them received at least one nephrotoxic alert (73% vs 76%; p=0.763). 65 and 88 patients suffered AKI during admission (6.5% vs 8.8%; p=0.051). In phase I, patients received 384 nephrotoxic alerts (55%) with 78 (20%) of them provoking a change or discontinuation of the nephrotoxic drug. In phase II this value increased to 154 out of 526 (29%) after implementation of the CDSS (p<0.01).

Conclusions A CDSS with interruptive alerts that inform of the development of AKI in real time in patients with nephrotoxic drug prescription has a positive impact on the judicious use of these drugs.

  • clinical decision support
  • alerting
  • acute kidney injury
  • drug prescription
  • nephrotoxic drugs

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