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find Author "ZENG Xiuyu" 1 results
  • Clinical characteristics and drug resistance of Klebsiella pneumoniae in patients with nosocomial and community infections in Quanzhou, China

    ObjectiveTo compare the clinical characteristics of patients with nosocomial and community infections with extended-spectrum beta-lactamase-containing Klebsiella pneumoniae (ESBL-KP) and non-ESBL-KP so as to improve clinical diagnosis and treatment outcomes.MethodsThis retrospective study determined the clinical features of patients with nosocomial and community infections with KP who were admitted to our hospital from January 1st, 2017 to June 30th, 2018. The chi-square test or Fisher's exact probability method were used to compare different groups.ResultsWe identified 334 strains of KP, and 83 (24.9%) of them strains were EBSL-KP. The percentages of ESBL-KP infections among those with nosocomial and community infections were similar (31.25% vs. 22.27%, χ2=2.955, P=0.086). Significantly more females than males had ESBL-KP infections (32.32 vs. 21.70%, χ2=4.208, P=0.040). The percentages of ESBL-KP infections were similar among <18 years-old group, 18 to 45 years-old group, 45 to 60 years-old group, and ≥60 years-old group. The three major locations of KP infections were the lower respiratory tract, urinary tract, and bloodstream (bacteremia). Among nosocomial KP infections, there were no significant differences in the percentages of ESBL-KP infections at different sites, nor in the hospital departments where patients were treated; among community KP infections, there were significant differences in the percentages of ESBLs-KP infections at different sites, and in the hospital departments where patients were treated. For community KP infections, the two most common infection sites were the urinary tract (37.74%) and the skin and soft tissue (30.77%), and most patients were treated in the urology department (40.00%) and respiratory medicine department (38.10%). ESBL-KP isolates had greater resistance than non-EBSL-KP isolates to 16 tested antibiotics (P<0.05). There were no statistically significant differences in the percentages of nosocomial infections and community infections among those with ESBL-KP and among those with non-ESBL-KP (P>0.05).ConclusionsOur population have high rates of nosocomial and community KP infections and of infections with ESBL-KP. It is necessary to strengthen the management and clinical use of antibiotics and to provide real-time surveillance of KP infections, especially for patients with ESBL-KP infections. Increased vigilance is required for KP infections of females and community KP infections to improve control of nosocomial infections and reduce the prevalence of cross-infections.

    Release date:2019-09-10 02:02 Export PDF Favorites Scan
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