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Whilst studies have shown that antimicrobial stewardship programmes (ASPs) can effectively reduce antibiotic utilisation, cost of care and even antimicrobial resistance rates, ASPs should avoid the perception that the goal is primarily to reduce antibiotic purchases and costs, instead of focusing on improving the quality of care. In addition, to address the concern of primary physicians who deemed that ASPs' choices of antibiotics were often inadequate, the impact of ASPs on patient safety should be monitored and evaluated. The aim of this study was to analyse the impact of ASP interventions on patient safety in Singapore General Hospital (SGH), a 1559-bed, large, acute, tertiary-care hospital in Singapore. A retrospective database review of data on ASP interventions issued between October 2008 and September 2010 was performed. The database maintained by the ASP team detailed patients' demographic data as well as outcomes of issued interventions. The ASP recommended 1256 interventions in a total of 1249 admissions in six departments. Shorter average length of stay (mean ± standard deviation 19.4 ± 19.9 days vs. 24.2 ± 24.2 days) was observed among patients of physicians who accepted ASP suggestions compared with patients of physicians who rejected ASP interventions (P<0.01). ASP interventions did not alter all-cause mortality (P=0.191). In addition, the number of infection-related re-admissions (P<0.001) and the 14-day re-infection rate (P=0.009) were higher among patients whose physicians rejected ASP interventions. In conclusion, interventions recommended by the ASP in SGH were safe and were associated with a reduction in the duration of hospital stay, 14-day re-infection rate and infection-related re-admissions. Copyright © 2012 Elsevier B.V. and the International Society of Chemotherapy. All rights reserved.


Yi Xin Liew, Winnie Lee, Joan Chain Zhu Loh, Yiying Cai, Sarah Si Lin Tang, Cheryl Li Ling Lim, Jocelyn Teo, Rachel Wen Qin Ong, Andrea Lay-Hoon Kwa, Maciej Piotr Chlebicki. Impact of an antimicrobial stewardship programme on patient safety in Singapore General Hospital. International journal of antimicrobial agents. 2012 Jul;40(1):55-60

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PMID: 22591837

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