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KMID : 0358320110520090626
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Korean Journal of Urology
2011 Volume.52 No. 9 p.626 ~ p.631
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Fungal Urinary Tract Infection in Burn Patients with Long-Term Foley Catheterization
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Kim Jin-Sub
Kim Dae-Sung
Lee Yong-Seong
Choi Nak-Gyeu
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Abstract
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Purpose: It is well known that fungi become predominant microorganisms in the urine of patients with long-term Foley catheters. This study was conducted to evaluate the lengths of time for fungi to cause urinary tract infection (UTI) and to identify predictors of fungal UTI in burn patients with long-term Foley catheters.
Materials and Methods : A total of 93 patients who did not have infection at the time of admission but later had fugal UTI were evaluated. Urinalysis, urine culture, and Foley catheter indwelling were done at admission. All patients were administered prophylactic antibiotics from admission. Urine cultures were run every week, and catheters were changed every 2 weeks for each patient.
Results: Three of the 93 patients (3.2%) displayed fungal UTI at the 1st week of catheter indwelling. However, most patients (78.5%) displayed fungal UTI from 2nd to 5th week after catheter indwelling. The most prevalent fungus identified was Candida tropicalis (60.2%). By univariate logistic regression analysis, only the total body surface area burned (TBSAB) was predictive of fungal UTI in burn patients (p=0.010). By multivariate logistic regression analysis, underlying disease (p=0.032) and TBSAB (p=0.036) were predictors of fungal UTI. Patients with higher TBSAB were more likely to display shorter intervals from Foley catheterization to fungal UTI.
Conclusions: Fungal UTI was initially found at the 1st week of urinary catheter indwelling, but the majority of cases occurred after the 1st week and appeared earlier in patients with underlying disease or higher TBSAB. Underlying disease and TBSAB were predictors of early fungal UTI.
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KEYWORD
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Burns, Fungi, Urinary catheterization, Urinary tract infections
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