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| Content Provider | frontiers |
|---|---|
| Author | Zhang, Hongna Zhou, Yufa Guo, Shuyuan Chang, Weishan |
| Abstract | The study was carried out to understand the prevalence of CTX-M type extended-spectrum beta-lactamase (ESBL)-haboring Enterobacteriaceae and to analyze risk factors related with fecal carriage in healthy rural residents in Taian, China. A total of 620 stool samples were collected from rural residents. The ESBL-positive Enterobacteriaceae was screened using ChromID ESBL agar, and then further confirmed by double-disc diffusion. The CTX-M genes were determined using polymerase chain reaction (PCR). The risk factors associated with fecal carriage of CTX-M-positive isolates were analyzed using the standard statistic methods. 458 isolates carrying CTX-M gene (458/620, 73.9%) were obtained from different individuals, and the most dominant genotype was CTX-M-9 group (303/458, 66.2%). The dominant species were Escherichia coli (E. coli) (403/458, 88.0%) and Klebsiella pneumoniae (K. pneumoniae) (26/458, 5.7%) among the isolates carrying CTX-M genes. All the CTX-M producers were resistant to ampicillin, cefazolin, cefuroxime, and ceftriaxone, but were all susceptible to biapenem, imipenem, and meropenem. The results of multivariate logistic regression model identified the enrolment in formal education (OR 2.321; 95% CI 1.302–3.768; P=0.039), the hospitalization history within the last 6 months (OR 1.753; 95% CI 1.127–2.584; P=0.031) and the antibiotics use within the last 6 months (OR 1.892; 95% CI 1.242–2.903; P=0.034). The three variables were significantly associated with carriage of CTX-M ESBL producers (x2=21.21; df=3; P<0.001). The prevalence of fecal carriage of CTX-M ESBL-producing Enterobacteriaceae among healthy rural humans in Taian was high, and the recent antibiotic use and hospitalization history may be the important contributors. |
| ISSN | 1664302X |
| DOI | 10.3389/fmicb.2015.00239 |
| Volume Number | 6 |
| Journal | Frontiers in Microbiology |
| Language | English |
| Publisher Date | 2015-03-27 |
| Access Restriction | Open |
| Subject Keyword | CTX-M type extended-spectrum beta-lactamase (ESBL) Enterobacteriaceae Taian Healthy rural residents Risk factors |
| Content Type | Text |
| Resource Type | Article |
| Subject | Microbiology Microbiology (medical) |
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