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      • Extended-spectrum β Lactamase (ESBL) 음성과 양성인 Klebsiella pneumoniae 혈류 감염증 환자의 임상적 특성 및 예후 비교

        곽희원 중앙대학교 의과대학 의과학연구소 2009 中央醫大誌 Vol.34 No.1/2

        ESBL-producing Klebsiella pneumoniae are resistant to many antibiotics, and bloodstream infections by ESBL-producing Klebsiella pneumoniae are known to increase the treatment failure and the mortality rate, but further Korean studies are required. We conducted this study to test the hypothesis that the clinical outcomes and prognosis amomg patients with bloodstream infection by ESBL-non-producing Klebsiella pneumoniae and by ESBL-producing Klebsiella pneumoniae are different. One hundred forty two patients with a bloodstream infection by Klebsiella pneumoniae were enrolled in this study from January, 2003 to May, 2007 at Chung-Ang University Hospital. Demographic characteristics, the mortality rate, hospitalization, site of infection, underlying disease and source of infection were assessed and compared between patients with bloodstream infection by ESBL-non-producing Klebsiella pneumoniae and by ESBL-producing Klebsiella pneumoniae by a retrospective analysis. Age, sex, site of infection, underlying disease showed no significant difference between patients with bloodstream infection by ESBL-non-producing Klebsiella pneumoniae and by ESBL-producing Klebsiella pneumoniae. But the infections by ESBL-producing organism more developed among patients with longer hospitalization and longer recovery period than the infections by ESBL-non-producing organism, but the motality rate showed no significant difference. The infections by ESBL-nonroducing organism were mostly community acquired, whereas the infections by ESBL-producing organismswere mostly hospital acquired. In intensive care units, the infections by ESBL-producing organism needed significantly longer Intensive Care Unit hospitalization, but the motality rate showed no significant difference.

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