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Failure to implement hospital antimicrobial prescribing guidelines: a comparison of two UK academic centres.

Ali MH, Kalima P, Maxwell SR

Clinical Pharmacology Unit, University of Edinburgh, Queen's Medical Research Institute, Royal Infirmary of Edinburgh, Little France, Edinburgh EH16 4TJ, UK.

BACKGROUND: Rational antimicrobial therapy should provide maximum benefit to patients while minimizing the development of resistant microorganisms. OBJECTIVES: The aim of this study was to investigate (i) which antimicrobial drugs were chosen by hospital doctors faced with two common infections [community-acquired pneumonia (CAP) and urinary tract infection (UTI)], (ii) whether these choices were compliant with local guidance and (iii) the factors that influenced antimicrobial choice. METHODS: A questionnaire based on two hypothetical clinical scenarios was distributed to 316 hospital doctors across four UK NHS hospitals in two cities (Newcastle and Edinburgh). RESULTS: Doctors in Newcastle were significantly more aggressive in their management: more patients were admitted (CAP: 78.9% versus 48.4%, P < 0.05) and given antimicrobials intravenously (CAP: 53.4% versus 21.2%, P < 0.05). Adherence to the local hospital guideline for CAP was significantly higher in Newcastle (83.3% versus 38.0%; P < 0.05). Fewer than half of the doctors surveyed used the local hospital guideline when choosing an antimicrobial, and the British National Formulary was the most frequently used resource (>90%). Junior doctors also identified medical school teaching and opinions of senior doctors as important influences. CONCLUSIONS: This study highlights inadequacies in the implementation and promotion of local guidelines, and demonstrates the potential for widely varying antimicrobial practices in two comparable UK cities.

Published 10 April 2006 in J Antimicrob Chemother, 57(5): 959-62.
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