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- Title
Candida Colonization in Urine Samples of ICU Patients: Determination of Etiology, Antifungal Susceptibility Testing and Evaluation of Associated Risk Factors.
- Authors
Singla, Nidhi; Gulati, Neelam; Kaistha, Neelam; Chander, Jagdish
- Abstract
The presence of Candida in urine presents a therapeutic challenge for the physician as it is often asymptomatic, and management guidelines have not been clearly laid down on this issue. The presence of Candida in urine may represent contamination of clinical sample, actual colonization of the lower urinary tract or may be a true indicator of invasive infection of lower and/or upper urinary tract. In a clinical setting like the ICU, multiple risk factors for Candida colonization may be present in the same patient, thereby increasing the chances of candiduria, manifold. In the present study on 80 patients in ICU, high rate of Candida colonization (57.5%) was found in urine samples of ICU patients with C. tropicalis (57.3%) being the predominant species. We also isolated 8 strains of Trichosporon species, all of these presented as a mixed infection along with Candida species. Among the various risk factors studied, urinary catheterization and previous antibiotic therapy were identified as statistically significant ( P value <0.05). The minimum inhibitory concentration of the isolates was determined for amphotericin B, fluconazole and itraconazole by E-test. Most of the isolates were susceptible to amphotericin B. The C. parapsilosis strains did not show any drug resistance; however, resistance to fluconazole was observed 18.6, 27.27, 50 and 25% in C. tropicalis, C. albicans, C. glabrata and Trichosporon species, respectively.
- Subjects
INTENSIVE care patients; DISEASE susceptibility; ETIOLOGY of diseases; ANTIFUNGAL agents; CANDIDA diagnosis; URINARY tract infections; DISEASE risk factors
- Publication
Mycopathologia, 2012, Vol 174, Issue 2, p149
- ISSN
0301-486X
- Publication type
Article
- DOI
10.1007/s11046-011-9514-7