著者

丹羽 隆 篠田 康孝 鈴木 昭夫 大森 智史 太田 浩敏 深尾 亜由美 安田 満 北市 清幸 松浦 克彦 杉山 正 村上 啓雄 伊藤 善規

出版者

一般社団法人日本医療薬学会

雑誌

医療薬学 (ISSN:1346342X)

巻号頁・発行日

vol.38, no.5, pp.273-281, 2012-05-10 (Released:2013-05-10)

参考文献数

38

被引用文献数

1 15

---

Antimicrobial resistance in hospitals is increasingly becoming a major problem worldwide, thus appropriate use of antimicrobial agents should be promoted. Since August 2009, our hospital has established a review system for checking prescriptions in all patients receiving antimicrobial injections according to the intervention and feedback of antimicrobial stewardship (AMS) guideline. The antimicrobial use density (AUD), duration of administration, length of hospital stay, and antimicrobial resistance in a year were compared before and after starting the intervention into AMS. Suggestions made by members of the infection control team (ICT) to the prescribers were for the major part the choice and dose elevation of antimicrobials. Most of the proposals (91%) were accepted by the prescribers. Although AUD was not changed after AMS intervention, the proportion of prolonged antimicrobial use (over 2 weeks) was significantly reduced from 5.2% to 4.1% (p=0.007), which led to the saving of costs for antibiotics (4.48 million yen/ year). The incidence of MRSA tended to decrease after AMS intervention (p=0.074). The median length of hospital stay was ultimately shortened by 1.0 day (p=0.0005), which led to an estimated saving of medical costs by 520 million yen/year. We consider that our intervention profoundly affects this cost saving. These findings suggest that the extensive intervention into AMS is effective in reducing the frequency of inappropriate use of antimicrobials, suppressing the occurrence of antimicrobial resistance, and saving medical expenses.