A mixed methods analysis of lithium-related patient safety incidents in primary care

Richard Simon Young, Paul Deslandes, Jennifer Cooper, Huw Williams, Joyce Kenkre, Andrew Carson-Stevens

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Abstract

Background: Lithium is a drug with a narrow therapeutic range and has been associated with a number of serious adverse effects. This study aimed to characterise primary care lithium-related patient safety incidents submitted to the National Reporting and Learning System (NRLS) database with respect to incident origin, type, contributory factors and outcome. The intention was to identify ways to minimise risk to future patients by examining incidents with a range of harm outcomes. Methods: A mixed methods analysis of patient safety incident reports related to lithium was conducted. Data from healthcare organisations in England and Wales were extracted from the NRLS database. An exploratory descriptive analysis was undertaken to characterise the most frequent incident types, the associated chain of events and other contributory factors. Results: A total of 174 reports containing the term ‘lithium’ were identified. Of these, 41 were excluded and, from the remaining 133 reports, 138 incidents were identified and coded. Community pharmacies reported 100 incidents (96 dispensing related, two administration, two other), general practitioner (GP) practices filed 22 reports and 16 reports originated from other sources. A total of 99 dispensing-related incidents were recorded, 39 resulted from the wrong medication dispensed, 31 the wrong strength, 8 the wrong quantity and 21 other. A total of 128 contributory factors were identified overall; for dispensing incidents, the most common related to medication storage/packaging (n = 41), and ‘mistakes’ (n = 22), whereas no information regarding contributory factors was provided in 41 reports. Conclusion: Despite the established link between medication packaging and the risk of dispensing errors, our study highlighted storage and packaging as the most commonly described contributory factors to dispensing errors. The absence of certain relevant data limited the ability to fully characterise a number of reports. This highlighted the need to include clear and complete information when submitting reports. This, in turn, may help to better inform the further development of interventions designed to reduce the risk of incidents and improve patient safety.

Original languageEnglish
JournalTherapeutic Advances in Drug Safety
Volume11
DOIs
Publication statusPublished - 1 Jun 2020

Keywords

  • incident reporting
  • lithium
  • medication safety
  • patient safety
  • primary care

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