Trend of clinical vancomycin-resistant enterococci isolated in a regional Italian hospital from 2001 to 2018

被引:10
|
作者
Fioriti, Simona [1 ]
Simoni, Serena [2 ]
Caucci, Sara [1 ]
Morroni, Gianluca [1 ]
Ponzio, Elisa [3 ]
Coccitto, Sonia Nina [1 ]
Brescini, Lucia [4 ]
Cirioni, Oscar [4 ]
Menzo, Stefano [1 ]
Biavasco, Francesca [2 ]
Giovanetti, Eleonora [2 ]
Brenciani, Andrea [1 ]
Vignaroli, Carla [2 ]
机构
[1] Polytech Univ Marche, Dept Biomed Sci & Publ Hlth, Unit Microbiol, Via Tronto 10-A, I-60126 Ancona, Italy
[2] Polytech Univ Marche, Dept Life & Environm Sci, Ancona, Italy
[3] Polytech Univ Marche, Dept Biomed Sci & Publ Hlth, Sect Hyg, Ancona, Italy
[4] Polytech Univ Marche, Dept Biomed Sci & Publ Hlth, Infect Dis Clin, Ancona, Italy
关键词
Enterococcus faecium; Enterococcus faecalis; Vancomycin resistance; vanAgene; vanBgene; MLST; ANTIMICROBIAL SUSCEPTIBILITY; ANTIBIOTIC-RESISTANCE; FAECIUM; SPREAD;
D O I
10.1007/s42770-020-00360-8
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
A retrospective study of the epidemiology of vancomycin-resistant enterococci (VRE) in a regional hospital of central Italy in 2001-2018 demonstrated an increased VRE prevalence since 2016. A total of 113 VRE isolates, 89E. faecium(VREfm) and 24E. faecalis(VREfs), were collected in the study period. All strains showed high-level resistance to vancomycin; 107 also showed teicoplanin resistance. Altogether, 84 VREfm and 20 VREfs carriedvanA, whereas 5 VREfm and 1 VREfs carriedvanB. MLST analysis documented that 89 VREfm isolates mainly belonged to ST78, ST80, and ST117. Most strains were isolated from 2001 to 2007, ST78 being the predominant clone. VREfm re-emerged in 2016 with a prevalence of the ST80 lineage. Most VREfs were isolated from 2001 to 2006; although they belonged to 7 different STs, there was a prevalence of ST88 and ST6. Notably, ST88 was sporadically recovered throughout the study period. The increasing rate of VREfm isolation from 2016 to 2018 may be related to the influx of new successful clones and to the renewed and widespread use of vancomycin. Improved infection control measures in hospital wards should be adopted to limit the spread of new epidemic VRE strains.
引用
收藏
页码:1607 / 1613
页数:7
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