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P095: The 2nd/3rd generation of cephalosprines use in antimicrobial stewardship program and contemporary carriage of E. coli and K. pneumoniae with esbls from identified or suspected infection hospitalized patients
Antimicrobial Resistance and Infection Control volume 2, Article number: P95 (2013)
Objectives
To implement antimicrobial reasonable use and evaluate its impact on E. coli and K. pneumoniae with ESBLs isolated from hospitalized patients.
Methods
The 2nd/3rd generation cephalosprines (GCPs) use from 2006.1 to 2012.12 was converted to DDDs per 1,000 patient-days in a tertiary teaching infectious disease hospital in Tianjin, China. Multi-strategy, including contextually appropriate antibiotic use guidelines, active audit, as well as performance feedback/education in-field, were conducted by antimicrobial stewardship in the hospital since 2006. E. coli and K. pneumoniae isolated from all identified and suspected infections were selected at the same time. For ESBLs status, agar diffusion test with clavulanic acid plus or minus cefotaxime and ceftazidime was used. Linear correlation was carried out to analyze the relationship between 2nd/3rd GCPs use and major Enterobacteriaceae producing ESBLs.
Results
The 2nd GCPs consumption was 12.488, 12.563, 12.637, 20.221, 48.598, 6.647, and 8.129 DDDs per 1,000 patient-days during 2006 to 2012 respectively. The 3rd GCPs consumption was 35.248, 32.135, 31.720, 23.661, 31.696, 20.284 and 15.722 DDDs per 1,000 patient-days respectively at the same time. ESBL-producing strains rates of E. coli and K. pneumoniae were 27.42% (17/62), 26.79% (15/56), 29.09% (16/55), 23.53% (24/102), 39.29% (66/168), 25.58% (33/129) and 11.46% (18/157) from 2006 to 2012 respectively. Lower 2nd/3rd GCPs annually use was associated with a lower rate of E. coli and K. pneumoniae with ESBLs isolated from contemporary hospitalized patients. (r2 = 0.843; P < 0.005).
Conclusion
Multi-strategy intervention by antimicrobial stewardship was effective on commonly used 2nd/3rd GCPs in the hospital of Tianjin, China. The decrease of 2nd/3rd GCPs represented a significant driver in the reduction in rate of E. coli and K. pneumoniae with ESBLs from identified and suspected infections.
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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Gao, B., Zhao, LH., Wu, HZ. et al. P095: The 2nd/3rd generation of cephalosprines use in antimicrobial stewardship program and contemporary carriage of E. coli and K. pneumoniae with esbls from identified or suspected infection hospitalized patients. Antimicrob Resist Infect Control 2 (Suppl 1), P95 (2013). https://doi.org/10.1186/2047-2994-2-S1-P95
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DOI: https://doi.org/10.1186/2047-2994-2-S1-P95