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Correlation between antimicrobial consumption and incidence of health-care-associated infections due to methicillin-resistant Staphylococcus aureus and vancomycin-resistant enterococci at a university hospital in Taiwan from 2000 to 2010. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2013; 48:431-6. [PMID: 24388582 PMCID: PMC7105077 DOI: 10.1016/j.jmii.2013.10.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Revised: 10/20/2013] [Accepted: 10/23/2013] [Indexed: 11/21/2022]
Abstract
Objectives This study was conducted to investigate the correlation between antibiotic consumption and the incidence of health-care-associated infections (HCAIs) caused by methicillin-resistant Staphylococcus aureus (MRSA) (HCAI-MRSA) and vancomycin-resistant enterococci (VREs) (HCAI-VREs) at a university hospital in Taiwan during the period from 2000 to 2010. Methods Data on annual patient-days and annual consumption (defined daily dose/1000 patient-days) of glycopeptides (vancomycin and teicoplanin), linezolid, fusidic acid, tigecycline, and daptomycin were analyzed. Yearly aggregated data on the number of nonduplicate clinical MRSA and VRE isolates causing HCAI were collected. Results Overall, the consumption of teicoplanin and linezolid significantly increased during the study period. A significant decrease in the incidence of HCAI-MRSA and a significant increase in the incidence of HCAI-VRE were found during the study period. A significant correlation was found between the increased use of teicoplanin and linezolid and the decreased incidence of HCAI-MRSA. By contrast, positive correlations were found between the consumption of teicoplanin and tigecycline and the incidence of HCAI-VRE. Conclusion This study identified various correlations between the consumption of antibiotics and the incidence of HCAI-MRSA and HCAI-VRE. Strict implementation of infection-control guidelines and reinforcement of administering appropriate antibiotic agents would be helpful in decreasing the incidence of MRSA and VRE in hospitals.
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Liu JW, Ko WC, Huang CH, Liao CH, Lu CT, Chuang YC, Tsao SM, Chen YS, Liu YC, Chen WY, Jang TN, Lin HC, Chen CM, Shi ZY, Pan SC, Yang JL, Kung HC, Liu CE, Cheng YJ, Chen YH, Lu PL, Sun W, Wang LS, Yu KW, Chiang PC, Lee MH, Lee CM, Hsu GJ, Hsueh PR. Agreement assessment of tigecycline susceptibilities determined by the disk diffusion and broth microdilution methods among commonly encountered resistant bacterial isolates: results from the Tigecycline In Vitro Surveillance in Taiwan (TIST) study, 2008 to 2010. Antimicrob Agents Chemother 2012; 56:1414-7. [PMID: 22155819 PMCID: PMC3294924 DOI: 10.1128/aac.05879-11] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2011] [Accepted: 11/20/2011] [Indexed: 11/20/2022] Open
Abstract
The Tigecycline In Vitro Surveillance in Taiwan (TIST) study, initiated in 2006, is a nationwide surveillance program designed to longitudinally monitor the in vitro activity of tigecycline against commonly encountered drug-resistant bacteria. This study compared the in vitro activity of tigecycline against 3,014 isolates of clinically important drug-resistant bacteria using the standard broth microdilution and disk diffusion methods. Species studied included methicillin-resistant Staphylococcus aureus (MRSA; n = 759), vancomycin-resistant Enterococcus faecium (VRE; n = 191), extended-spectrum β-lactamase (ESBL)-producing Escherichia coli (n = 602), ESBL-producing Klebsiella pneumoniae (n = 736), and Acinetobacter baumannii (n = 726) that had been collected from patients treated between 2008 and 2010 at 20 hospitals in Taiwan. MICs and inhibition zone diameters were interpreted according to the currently recommended U.S. Food and Drug Administration (FDA) criteria and the European Committee on Antimicrobial Susceptibility Testing (EUCAST) criteria. The MIC(90) values of tigecycline against MRSA, VRE, ESBL-producing E. coli, ESBL-producing K. pneumoniae, and A. baumannii were 0.5, 0.125, 0.5, 2, and 8 μg/ml, respectively. The total error rates between the two methods using the FDA criteria were high: 38.4% for ESBL-producing K. pneumoniae and 33.8% for A. baumannii. Using the EUCAST criteria, the total error rate was also high (54.6%) for A. baumannii isolates. The total error rates between these two methods were <5% for MRSA, VRE, and ESBL-producing E. coli. For routine susceptibility testing of ESBL-producing K. pneumoniae and A. baumannii against tigecycline, the broth microdilution method should be used because of the poor correlation of results between these two methods.
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Affiliation(s)
- Jien-Wei Liu
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University Medical College, Kaohsiung, Taiwan
| | - Wen-Chien Ko
- Division of Infectious Diseases, Department of Internal Medicine, National Cheng Kung University Medical College and Hospital, Tainan, Taiwan
| | - Cheng-Hua Huang
- Division of Infectious Diseases, Department of Internal Medicine, Cathay General Hospital, Taipei, Taiwan
| | - Chun-Hsing Liao
- Section of Infectious Diseases, Department of Internal Medicine, Far Eastern Memorial Hospital, Taipei, Taiwan
| | - Chin-Te Lu
- Section of Infectious Diseases, Department of Internal Medicine, Lotung Poh-Ai Hospital, Lotung, Taiwan
| | - Yin-Ching Chuang
- Department of Internal Medicine, Chi-Mei Medical Center, Tainan, Taiwan
| | - Shih-Ming Tsao
- Infectious Section, Internal Medicine Department, Institute of Microbiology and Immunology, Chung Shan Medical University and University Hospital, Taichung, Taiwan
| | - Yao-Shen Chen
- Section of Infectious Diseases, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Yung-Ching Liu
- Section of Infectious Diseases, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Section of Infectious Diseases, Shuang Ho Hospital, Taipei Medical University, and School of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Wei-Yu Chen
- Section of Infectious Diseases, Department of Internal Medicine, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Tsrang-Neng Jang
- Section of Infectious Diseases, Department of Internal Medicine, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Hsiu-Chen Lin
- Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chih-Ming Chen
- Section of Infectious Diseases, Department of Internal Medicine, Tungs' Taichung MetroHarbor Hospital, Taichung, Taiwan
| | - Zhi-Yuan Shi
- Section of Infectious Diseases, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Sung-Ching Pan
- Section of Infectious Diseases, Department of Internal Medicine, National Taiwan University Hospital Yun-Lin Branch, Taiwan
| | - Jia-Ling Yang
- Section of Infectious Diseases, Department of Internal Medicine, National Taiwan University Hospital Yun-Lin Branch, Taiwan
| | - Hsiang-Chi Kung
- Section of Infectious Diseases, Department of Internal Medicine, National Taiwan University Hospital Yun-Lin Branch, Taiwan
| | - Chun-Eng Liu
- Section of Infectious Diseases, Department of Internal Medicine, Changhua Christian Hospital, Changhua, Taiwan
| | - Yu-Jen Cheng
- Section of Infectious Diseases, Department of Internal Medicine, Changhua Christian Hospital, Changhua, Taiwan
| | - Yen-Hsu Chen
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Medical University Hospital and Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Po-Liang Lu
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Medical University Hospital and Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wu Sun
- Department of Infection Control, Pao-Chien Hospital, Taitung, Taiwan
| | - Lih-Shinn Wang
- Section of Infectious Diseases, Department of Internal Medicine, Buddhist Tzu Chi General Hospital, Hualein, Taiwan
| | - Kwok-Woon Yu
- Division of Infectious Diseases, Department of Internal Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ping-Cherng Chiang
- Division of Infectious Diseases, Department of Internal Medicine, Chang Gung Medical Foundation Linkou Branch, Linkou, Taiwan
| | - Ming-Hsun Lee
- Division of Infectious Diseases, Department of Internal Medicine, Chang Gung Medical Foundation Linkou Branch, Linkou, Taiwan
| | - Chun-Ming Lee
- Section of Infectious Diseases, Department of Internal Medicine, Mackay Memorial Hospital, Taipei, Taiwan
| | - Gwo-Jong Hsu
- Section of Infectious Diseases, Department of Internal Medicine, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi, Taiwan
| | - Po-Ren Hsueh
- Departments of Laboratory Medicine and Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
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Darabi A, Hocquet D, Dowzicky MJ. Antimicrobial activity against Streptococcus pneumoniae and Haemophilus influenzae collected globally between 2004 and 2008 as part of the Tigecycline Evaluation and Surveillance Trial. Diagn Microbiol Infect Dis 2010; 67:78-86. [PMID: 20385351 DOI: 10.1016/j.diagmicrobio.2009.12.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2009] [Revised: 11/24/2009] [Accepted: 12/06/2009] [Indexed: 11/16/2022]
Abstract
We report here on the in vitro activity of tigecycline and comparators against a global collection of Streptococcus pneumoniae and Haemophilus influenzae collected between 2004 and 2008 as part of the Tigecycline Evaluation and Surveillance Trial. A total of 6785 S. pneumoniae and 6642 H. influenzae isolates were collected, most from North America. The percentages of penicillin-intermediate resistance and penicillin resistance among S. pneumoniae in North America were 27.8% and 14.3%, respectively. Penicillin resistance ranged from 9.3% in Europe to 25.1% in the Asia-Pacific Rim. The rate of beta-lactamase-producing H. influenzae was 25.8% in North America, and among the other regions, it ranged from 8.7% in South Africa to 26.8% in the Asia-Pacific Rim. Tigecycline MIC(90)'s were 0.03 to 0.12 mg/L and 0.5 to 2 mg/L, depending on the region considered, against S. pneumoniae and H. influenzae, respectively. Tigecycline had low MIC(90)'s against S. pneumoniae and H. influenzae, irrespective of resistance to beta-lactams.
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Affiliation(s)
- Ali Darabi
- WPAHS, Core Lab., Pittsburgh, PA 15212, USA
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