Antimicrobial resistance of Staphylococcus spp.: surveillance report from Hunan Province Antimicrobial Resistance Surveillance System, 2012-2021
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1.Department of Laboratory Medicine, The First Hospital of Changsha, Changsha 410005, China;2.Department of Laboratory Medicine, The Third Xiangya Hospital of Central South University, Changsha 410013, China;3.Center for Healthcare-associated Infection Control, Xiangya Hospital, Central South University, Changsha 410008, China;4.Hunan Province Antimicrobial Resistance Surveillance System Office, Changsha 410008, China;5.National Clinical Research Center for Geriatric Disorders [Xiangya Hospital], Changsha 410008, China;6.Department of Laboratory Medicine, Liuyang Traditional Chinese Medicine Hospital, Liuyang 410300, China;7.Department of Laboratory Medicine, Xiangya Hospital, Central South University, Changsha 410008, China;8.Department of Laboratory Medicine, Xiangtan Central Hospital, Xiangtan 411100, China;9.Medical Laboratory and Pathology Center, The First Hospital of Hunan University of Chinese Medicine, Changsha 410011, China;10.Department of Laboratory Medicine, Changsha Central Hospital, Changsha 410004, China;11.Department of Laboratory Medicine, Zhangjiajie People's Hospital, Zhangjiajie 427000, China;12.Center for Laboratory Medicine, The First People's Hospital of Chenzhou, Chenzhou 423000, China;13.Hunan Provincial Healthcare-associated Infection Management Quality Control Center, Changsha 410008, China

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    Abstract:

    Objective To understand the distribution and antimicrobial resistance of Staphylococcus spp. isolated from clinical specimens in Hunan Province from 2012 to 2021, provide scientific basis for rational clinical antimicrobial use as well as the formulation and evaluation of management policies for clinical antimicrobial use. Methods According to China Antimicrobial Resistance Surveillance System (CARSS) technical scheme, antimicrobial resistance of Staphylococcus spp. reported by Hunan Province Antimicrobial Resistance Surveillance System in 2012-2021 was analyzed with WHONET 5.6 software. Results From 2012 to 2021, the top 4 isolated Staphylococcus were Staphylococcus aureus, Staphylococcus epidermidis, Staphylococcus haemolyticus and Staphylococcus hominis. Staphylococcus spp. were mainly isolated from specimens of sputum, blood, secretion, wound pus, and urine. Sputum and blood specimens accounting for 25.4%-31.8% and 21.9%-27.8%, respectively. Among all clinically isolated bacteria, Staphylococcus spp. accounted for 15.5%-22.4%, showing a slowly downward trend. In the past 10 years, detection rates of methicillin-resistant Staphylococcus aureus (MRSA) decreased from 35.1% to 24.8%, while detection rates of methicillin-resistant coagulase negative Staphylococcus (MRCNS) increased, but were lower than 70%. Susceptibility rates of Staphylococcus spp. to vancomycin, teicolanin and linezolid were 100%. Conclusion Among clinically isolated Staphylococcus spp. in Hunan Province, the detection rate of MRSA has decreased. Vancomycin-, teicoplanin- and linezolid-resistant Staphylococcus spp. were not found. Management of rational use of antimicrobial agents as well as prevention and control of healthcare-associated infection should be strengthened continuously, and antimicrobial resistance surveillance should be conducted well.

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邬靖敏,沈晖,伍勇,等.湖南省细菌耐药监测网2012—2021年葡萄球菌属细菌耐药性监测报告[J].中国感染控制杂志英文版,2024,23(4):442-447. DOI:10.12138/j. issn.1671-9638.20245411.
Jing-min WU, Hui SHEN, Yong WU, et al. Antimicrobial resistance of Staphylococcus spp.: surveillance report from Hunan Province Antimicrobial Resistance Surveillance System, 2012-2021[J]. Chin J Infect Control, 2024,23(4):442-447. DOI:10.12138/j. issn.1671-9638.20245411.

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  • Received:December 09,2023
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  • Online: June 24,2024
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