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Risk factors of all-cause in-hospital mortality among Korean elderly bacteremic urinary tract infection (UTI) patients.

Title
Risk factors of all-cause in-hospital mortality among Korean elderly bacteremic urinary tract infection (UTI) patients.
Authors
Bum Sik Chin;Myung Soo Kim;June Myung Kim;Chang Oh Kim;Young Goo Song;Jun Yong Choi;Ji-Hyeon Baek;Sung Joon Jin;Yun Tae Chae;Hee Kyung Choi;So Youn Shin;Sang Hoon Han
Issue Date
2011
Journal Title
Archives of Gerontology and Geriatics
ISSN
0167-4943
Citation
Archives of Gerontology and Geriatics, Vol.52(1) : e50~55, 2011
Abstract
Urinary tract infection (UTI) is the most frequent cause of bacteremia/sepsis in elderly people and increasing antimicrobial resistance in uropathogens has been observed. To describe the characteristics of bacteremic UTI in elderly patients and to identify the independent risk factors of all-cause in-hospital mortality, a retrospective cohort study of bacteremic UTI patients of age over 65 was performed at a single 2000-bed tertiary hospital. Bacteremic UTI was defined as the isolation of the same organism from both urine and blood within 48 h. Eighty-six elderly bacteremic UTI patients were enrolled. Community-acquired infection was the case for most patients (79.1%), and Escherichia coli accounted for 88.6% (70/79) among Gram-negative organisms. Non-E. coli Gram-negative organisms were more frequent in hospital-acquired cases and male patients while chronic urinary catheter insertion was related with Gram-positive urosepsis. The antibiotic susceptibility among Gram-negative organisms was not different depending on the source of bacteremic UTI, while non-E. coli Gram-negative organisms were less frequently susceptible for cefotaxime, cefoperazone/sulbactam, and aztreonam. All-cause in-hospital mortality was 11.6%, and functional dependency (adjusted hazard ratio=HR=10.9, 95% confidence interval=95%CI=2.2-54.6) and low serum albumin (adjusted HR=27.0, 95%CI=2.0-361.2) were independently related with increased all-cause in-hospital mortality.
URI
http://www.sciencedirect.com/science/article/pii/S0167494310001366

http://ir.ymlib.yonsei.ac.kr/handle/22282913/93136
DOI
10.1016/j.archger.2010.05.011
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Internal Medicine
Yonsei Authors
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