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Multidrug-resistant endemic clonal strain of Candida auris in India

Publication Type : Journal Article

Thematic Areas : Medical Sciences

Publisher : European Journal of Clinical Microbiology and Infectious Diseases

Source : European Journal of Clinical Microbiology & Infectious Diseases, 2013

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Campus : Kochi

School : School of Medicine

Department : Microbiology

Year : 2013, 2014

Abstract : Candida auris is a recently described rare agent of fungemia. It is notable for its antifungal resistance. A total of 15 C. auris isolates, originating from seven cases of fungemia, three cases of diabetic gangrenous foot, and one case of bronchopneumonia from a tertiary care hospital in south India, were investigated. All of the 15 isolates were identified by sequencing and 14 of these along with 12 C. auris isolates previously reported from two hospitals in Delhi, north India, two each from Japan and Korea were genotyped by amplified fragment length polymorphism (AFLP). In vitro antifungal susceptibility testing (AFST) was done by the Clinical and Laboratory Standards Institute (CLSI) broth microdilution method. Candida auris isolates were misidentified as Candida haemulonii by VITEK. All were resistant to fluconazole [geometric mean minimum inhibitory concentration (MIC) 64 μg/ml] and 11 isolates were resistant to voriconazole (MIC ≥1 μg/ml). Forty-seven percent of the C. auris isolates were resistant to flucytosine (MIC ≥64 μg/ml) and 40 % had high MIC (≥1 μg/ml) of caspofungin. Breakthrough fungemia developed in 28.6 % of patients and therapeutic failure in 4 (66.7 %) patients. Interestingly, the 26 Indian C. auris isolates from north and south India were clonal and phenotypically and genotypically distinct from Korean and Japanese isolates. The present study demonstrates that C. auris is a potential emerging pathogen that can cause a wide spectrum of human mycotic infections. The prevalence of a C. auris endemic clonal strain resistant to azoles and other antifungals in Indian hospitals with high rates of therapeutic failure in cases of fungemia is worrisome. © 2013 Springer-Verlag Berlin Heidelberg.

Cite this Research Publication : A. Chowdhary, V. Anil Kumar, C. Sharma, A. Prakash, K. Agarwal, R. Babu, K. R. Dinesh, S. Karim, S. K. Singh, F. Hagen & J. F. Meis "Multidrug-resistant endemic clonal strain of Candida auris in India", European Journal of Clinical Microbiology & Infectious Diseases, 2013

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