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Errors associated with the preparation of aseptic products in UK hospital pharmacies: lessons from the national aseptic error reporting scheme
  1. Richard Bateman1,
  2. Parastou Donyai2
  1. 1East and South East England Specialist Pharmacy Services, Guy's Hospital, London, UK
  2. 2Reading School of Pharmacy, Whiteknights, Reading, UK
  1. Correspondence to Dr Parastou Donyai, Reading School of Pharmacy, University of Reading, PO Box 226, Whiteknights, Reading RG6 6AP, UK; p.donyai{at}reading.ac.uk

Abstract

Background Pharmacy aseptic units prepare and supply injectables to minimise risks. The UK National Aseptic Error Reporting Scheme has been collecting data on pharmacy compounding errors, including near-misses, since 2003.

Objectives The cumulative reports from January 2004 to December 2007, inclusive, were analysed.

Methods The different variables of product types, error types, staff making and detecting errors, stage errors detected, perceived contributory factors, and potential or actual outcomes were presented by cross-tabulation of data.

Results A total of 4691 reports were submitted against an estimated 958 532 items made, returning 0.49% as the overall error rate. Most of the errors were detected before reaching patients, with only 24 detected during or after administration. The highest number of reports related to adult cytotoxic preparations (40%) and the most frequently recorded error was a labelling error (34.2%). Errors were mostly detected at first check in assembly area (46.6%). Individual staff error contributed most (78.1%) to overall errors, while errors with paediatric parenteral nutrition appeared to be blamed on low staff levels more than other products were. The majority of errors (68.6%) had no potential patient outcomes attached, while it appeared that paediatric cytotoxic products and paediatric parenteral nutrition were associated with greater levels of perceived patient harm.

Conclusions The majority of reports were related to near-misses, and this study highlights scope for examining current arrangements for checking and releasing products, certainly for paediatric cytotoxic and paediatric parenteral nutrition preparations within aseptic units, but in the context of resource and capacity constraints.

  • Pharmacy Service, hospital
  • medication errors
  • drug compounding
  • risk management
  • pharmaceutical solutions
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Footnotes

  • Competing interests The corresponding author is the Chairman of the NHS Pharmaceutical Quality Assurance Committee (NHSPQAC). The authors' work was independent of NHSPQAC.

  • Ethics approval Ethics approval was provided by the Kingston University, Faculty of Science Research Ethics Committee.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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