2021年全国细菌耐药监测网门诊患者分离细菌耐药监测报告

Antimicrobial resistance surveillance reports from patients of outpatient departments from China Antimicrobial Resistance Surveillance System in 2021

  • 摘要: 目的 了解门诊患者分离病原菌分布及耐药情况。方法 按照全国细菌耐药监测网(CARSS)方案,应用WHONET 5.6软件对2021年所有CARSS成员单位上报的门诊患者分离细菌及药敏结果数据进行分析。结果 2021年门诊患者共分离细菌95 599株,革兰阴性菌以大肠埃希菌和肺炎克雷伯菌多见,革兰阳性菌以金黄色葡萄球菌和无乳链球菌多见。耐甲氧西林金黄色葡萄球菌和耐甲氧西林凝固酶阴性葡萄球菌的检出率分别为24.0%和68.0%,未发现对万古霉素、替考拉宁及利奈唑胺耐药菌株。粪肠球菌对多数抗菌药物的耐药率均低于屎肠球菌,两者均有少数耐万古霉素菌株。非脑脊液分离肺炎链球菌对青霉素的耐药率为0.6%。铜绿假单胞菌和鲍氏不动杆菌对碳青霉烯类抗菌药物的耐药率分别为10.9%和39.6%。大肠埃希菌和肺炎克雷伯菌对头孢曲松/头孢噻肟平均耐药率为44.8%和28.4%。肠杆菌目细菌对3种碳青霉烯类耐药率均较低(0.4%~7.2%),其中碳青霉烯类耐药大肠埃希菌和碳青霉烯类耐药肺炎克雷伯菌的检出率分别为0.9%和6.8%。流感嗜血杆菌对氨苄西林的耐药率为60.7%。结论 2021年门诊患者分离细菌耐药形势仍较为严峻,应持续加强门诊患者分离细菌的耐药监测,助力抗菌药物合理使用。

     

    Abstract: OBJECTIVE To understand the distribution and drug resistance of the pathogens isolated from the patients of outpatient department. METHODS According to the programs of China Antimicrobial Resistance Surveillance System (CARSS), the data of isolated pathogens and results of drug susceptibility testing that were reported by members of CARSS in 2021 were analyzed by using WHONET 5.6 software. RESULTS A total of 95 599 strains of pathogens were isolated from the patients of outpatient department in 2021. Escherichia coli and Klebsiella pneumoniae were dominant among gram-negative bacteria; Staphylococcus aureus and Streptococcus agalactiae were the predominant species of gram-positive bacteria. The isolation rates of methicillin-resistant Staphylococcus aureus and methicillin-resistant coagulase-negative Staphylococcus were 24.0% and 68.0%, respectively; no strains that were resistant to vancomycin, teicoplanin or linezolid were found. The drug resistance rates of Enterococcus faecalis strains were lower than those of Enterococcus faecium to most of the antibiotics, and both of the species were resistant to vancomycin. The drug resistance rate of the Streptococcus pneumoniae strains isolated from non-cerebrospinal fluid specimens to penicillin was 0.6%. The drug resistance rates of Pseudomonas aeruginosa and Acinetobacter baumannii strains to carbapenems were 10.9% and 39.6%, respectively. The average drug resistance rates of Escherichia coli and Klebsiella pneumoniae strains to ceftriaxone/cefotaxime were 44.8% and 28.4%, respectively. The drug resistance rates of Enterobacteriaceae strains to 3 types of carbapenems ranged between 0.4% and 7.2%; the isolation rates of carbapenem-resistant E.coli and carbapenem-resistant K.pneumoniae were 0.9% and 6.8%, respectively. The drug resistance rate of the Haemophilus influenzae strains to ampicillin was 60.7%. CONCLUSION The pathogens isolated from the outpatient department patients are highly drug-resistant in 2021. It is necessary to continuously strengthen the surveillance of antimicrobial resistance so as to facilitate the reasonable use of antibiotics.

     

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