| Autor: |
Kazuo Imai, Noriomi Ishibashi, Masahiro Kodana, Norihito Tarumoto, Jun Sakai, Toru Kawamura, Shinichi Takeuchi, Yoshitada Taji, Yasuhiro Ebihara, Kenji Ikebuchi, Takashi Murakami, Takuya Maeda, Kotaro Mitsutake, Shigefumi Maesaki |
| Jazyk: |
angličtina |
| Rok vydání: |
2019 |
| Předmět: |
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| Zdroj: |
BMC Infectious Diseases, Vol 19, Iss 1, Pp 1-10 (2019) |
| Druh dokumentu: |
article |
| ISSN: |
1471-2334 |
| DOI: |
10.1186/s12879-019-4498-x |
| Popis: |
Abstract Background Klebsiella variicola and K. quasipneumoniae are new species distinguishable from K. pneumoniae but they are often misidentified as K. pneumoniae in clinical settings. Several reports have demonstrated the possibility that the virulence factors and clinical features differ among these three phylogroups. In this study, we aimed to clarify whether there were differences in clinical and bacterial features between the three phylogroups isolated from patients with bloodstream infections (BSIs) in Japan. Methods Isolates from all patients with BSIs caused by K. pneumoniae admitted to two hospitals between 2014 and 2017 (n = 119) were included in the study. Bacterial species were identified via sequence analysis, and their virulence factors and serotypes were analyzed via multiplex PCR results. Clinical data were retrieved from medical records. Results Of the 119 isolates, 21 (17.7%) were identified as K. variicola and 11 (9.2%) as K. quasipneumoniae; K1 serotype was found in 16 (13.4%), and K2 serotype in 13 (10.9%). Significant differences in the prevalence of rmpA, iutA, ybtS, entB and kfu (p |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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