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A Comparative Study of Community-acquired Klebsiella pneumoniae Bacteremia and Escherichia coli Bacteremia

Other Title
Klebsiella pneumoniae와 Escherichia coli에 의한 지역사회 획득 균혈증의 임상 양상 및 감수성 비교
Authors
최, 영화; 이, 선민; 박, 광주; 황, 성철; 이, 이형; 한, 명호
Citation
Kamyŏm, 32(3):197-202, 2000
Journal Title
Kamyŏm; Korean journal of infectious diseases; 감염
ISSN
0368-6221
Abstract
Background : Klebsiella pneumoniae is the second most common causative pathogen only

nest to Escherichia coli among the facultative Gram-negative rods causing both

community-acquired and nosocomial bacteremia.

Methods : We have reviewed the clinical and laboratory data from all patients with

community-acquired K. pneumoniae bacteremia and compared it with randomly selected

community-acquired. E. coli bacteremia in the patients who were admitted to Ajou University Hospital between the period from 1997 to 1998.

Results : The incidence of K. pneumoniae bacteremia was 1.8/1,000 patient discharge. Of 51 patients with K. pneumoniae bacteremia, 27 were male and 24 were female. The mean age was 58.4 years. The primary foci of K. pneumoniae bacteremia were hepatobiliary tract (35%), urinary tract (22%), respiratory tract (16%) and 20% of patients had no primary focus identified. The atrtributable mortality of K. pneumoniae bacteremia was 20%. Patients with K.

pneumoniae and E. coli bacteremia had common clinical features, but K. pneumoniae

bacteremia had high incidence of diabetes mellitus as an underlying illness and there was a tendency to form abscess and neutropenia more frequently than in E. coli bacteremia. E. coli was found to be more resistant to antibiotics (ampicillin/sulbactam, ciprofloxacin, gentamicin, cephalothin, cotrimoxazole, tetracycline and tobramycin) than K. pneumoniae.

Conclusion : K. pneumoniae bacteremia occurred more frequently in diabetes mellitus and the major primary focus was hepatobiliary tract. K. pneumoniae bacteremia had a higher incidence of abscess formation and neutropenia than E. coli.
Keywords
Klebsiella pneumoniaeCommunity-acquired bacteremiaEscherichia coli
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Pulmonary & Critical Care Medicine
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