Introduction: The prevalence of </span><i><span style="font-family:Verdana;">Klebsiella pneumoniae</span></i><span style="font-family:Verdana;"> has rapidly incr...Introduction: The prevalence of </span><i><span style="font-family:Verdana;">Klebsiella pneumoniae</span></i><span style="font-family:Verdana;"> has rapidly increased in recent years and the distribution differed greatly by region, We aimed to study the relationship between antibiotic resistance and </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;">, especially carbapenem-resistant </span><i><span style="font-family:Verdana;">Klebsiella pneumoniae</span></i><span style="font-family:Verdana;"> (CRKP) in our tertiary hospitals from 2014 to 2018.</span></span><span style="font-family:""> </span><span style="font-family:""><span style="font-family:Verdana;">Methodology: The antibiotic consumption data of </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> were expressed as the defined daily dose (DDD) per 100 inpatient days</span></span><span style="font-family:""> </span><span style="font-family:""><span style="font-family:Verdana;">(DDDs). </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> which isolated from clinical samples in</span><span style="font-family:Verdana;"> hospital between January 2014 and December 2018 were retrospectively analyzed, and the correlation between antibiotic resistance rate and antibiotic frequency was analyzed.</span></span><span style="font-family:""> </span><span style="font-family:""><span style="font-family:Verdana;">Results: From 2014 to 2018, a total of 2295 strains of </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> were isolated, with the detection rates of 8.2%, 9.2%, 11.9%, 13.4% and 14.0%. There were 423 strains of CRKP, with the detection rates of 7.5%, 5.8%, 17</span></span><span style="font-family:Verdana;">.</span><span style="font-family:""><span style="font-family:Verdana;">8% 24.2% and 25.2% respectively. </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> showed di</span></span><span style="font-family:Verdana;">fferent degrees of resistance to antibiotics and showed an increasing trend year by year to carbapenems. The resistance rate of imipenem was 2.5%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">2.8%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">9.9%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">12.3%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">13.4%, and the resistance rate of meropenem was 2.0%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">3.0%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">8.8%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">12.6%</span><span style="font-family:Verdana;">, </span><span style="font-family:""><span style="font-family:Verdana;">12.7%, respectively. The resistance rate of most other drugs decreased. The DDDs values of cefoperazone/sulbactam, piperacillin-tazobactam and gentamicin showed a strong positive correlation with </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> drug resistance rate</span></span><span style="font-family:""> </span><span style="font-family:Verdana;">(r</span><span style="font-family:""> </span><span style="font-family:Verdana;">></span><span style="font-family:""> </span><span style="font-family:Verdana;">0.8, P</span><span style="font-family:""> </span><span style="font-family:Verdana;"><</span><span style="font-family:""> </span><span style="font-family:Verdana;">0.05)</span><span style="font-family:Verdana;">. </span><span style="font-family:""><span style="font-family:Verdana;">Conclusions: The detection rate of </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> and CRKP increased year by year, which was closely related to the dose of antibiotics. Strengthening the management of antimicrobial drugs and standardising the use of antimicrobial prescriptions were of great significance for delaying the emergence of drug-resistant bacteria.展开更多
文摘Introduction: The prevalence of </span><i><span style="font-family:Verdana;">Klebsiella pneumoniae</span></i><span style="font-family:Verdana;"> has rapidly increased in recent years and the distribution differed greatly by region, We aimed to study the relationship between antibiotic resistance and </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;">, especially carbapenem-resistant </span><i><span style="font-family:Verdana;">Klebsiella pneumoniae</span></i><span style="font-family:Verdana;"> (CRKP) in our tertiary hospitals from 2014 to 2018.</span></span><span style="font-family:""> </span><span style="font-family:""><span style="font-family:Verdana;">Methodology: The antibiotic consumption data of </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> were expressed as the defined daily dose (DDD) per 100 inpatient days</span></span><span style="font-family:""> </span><span style="font-family:""><span style="font-family:Verdana;">(DDDs). </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> which isolated from clinical samples in</span><span style="font-family:Verdana;"> hospital between January 2014 and December 2018 were retrospectively analyzed, and the correlation between antibiotic resistance rate and antibiotic frequency was analyzed.</span></span><span style="font-family:""> </span><span style="font-family:""><span style="font-family:Verdana;">Results: From 2014 to 2018, a total of 2295 strains of </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> were isolated, with the detection rates of 8.2%, 9.2%, 11.9%, 13.4% and 14.0%. There were 423 strains of CRKP, with the detection rates of 7.5%, 5.8%, 17</span></span><span style="font-family:Verdana;">.</span><span style="font-family:""><span style="font-family:Verdana;">8% 24.2% and 25.2% respectively. </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> showed di</span></span><span style="font-family:Verdana;">fferent degrees of resistance to antibiotics and showed an increasing trend year by year to carbapenems. The resistance rate of imipenem was 2.5%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">2.8%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">9.9%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">12.3%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">13.4%, and the resistance rate of meropenem was 2.0%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">3.0%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">8.8%</span><span style="font-family:Verdana;">, </span><span style="font-family:Verdana;">12.6%</span><span style="font-family:Verdana;">, </span><span style="font-family:""><span style="font-family:Verdana;">12.7%, respectively. The resistance rate of most other drugs decreased. The DDDs values of cefoperazone/sulbactam, piperacillin-tazobactam and gentamicin showed a strong positive correlation with </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> drug resistance rate</span></span><span style="font-family:""> </span><span style="font-family:Verdana;">(r</span><span style="font-family:""> </span><span style="font-family:Verdana;">></span><span style="font-family:""> </span><span style="font-family:Verdana;">0.8, P</span><span style="font-family:""> </span><span style="font-family:Verdana;"><</span><span style="font-family:""> </span><span style="font-family:Verdana;">0.05)</span><span style="font-family:Verdana;">. </span><span style="font-family:""><span style="font-family:Verdana;">Conclusions: The detection rate of </span><i><span style="font-family:Verdana;">K. pneumoniae</span></i><span style="font-family:Verdana;"> and CRKP increased year by year, which was closely related to the dose of antibiotics. Strengthening the management of antimicrobial drugs and standardising the use of antimicrobial prescriptions were of great significance for delaying the emergence of drug-resistant bacteria.