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etiology of invasive candidosis a.e.ts in Russia： a multicenter epidemiological survey

Frontiers of Medicine 2018年第1期12卷 84-91页

作者： N.V. Vasilyeva.e.R. Raush M.V. Rudneva T.S. Bogomolova a.e. taraskina Yong Fang Fengmin Zhang N.N. Klimko Department of Medical Microbiology North-Western State Medical University named after L I. Mechnikov St. Petersburg 194291 Russia Kashkin Research Institute of Medical Mycology North-Western State Medical University named after 1.1. Mechnikov St. Petersburg 194291 Russia Sino-Russia Institute of Infection and Immunity Department of Microbiology Harbin Medical University Harbin 150086 China Department of Clinical Mycology Allergy and Immunology North-Western State Medical University named after I.I. Mechnikov St. Petersburg 194291 Russia

A multicenter prospective epidemiological survey on the etiologic a.e.ts of invasive candidosis was conducted in Russia in the period of 2012-2014. Samples were collected from 284 patients with invasive candidosis and Candida species isola.e. by culture. The species were identified by DNA sequencing and MALDI-TOF mass- spectrometry. A total of 322 isola.e. were recovered, in which 96% of Candida species belonged to six major species, na.e.y, C. albicans （43.2%）, C. parapsilosis （20.2%）, C. glabrata （11.5%）, C. tropicalis （9.6%）, C. krusei （6.2%）, and C. guilliermondii （5.3%）. Most Candida species were isola.e. from blood samples （83.23%）. Notably, the preva.e.ce ra.e.of C. albicans reduced from 52.38% to 32.79% （2012 vs. 2014）（P = 0.01） whereas that of non-C. albicans increa.e. from 47.62% （2012） to 67.21% （2014）（P〈 0.01）. Species distribution differed among geographical regions; specifically, the preva.e.ce ra.e.of C. albicans as an etiologic a.e.t of invasive candidosis in Siberian Federal region was significantly higher than that in other Federal regions. Results indica.e. a shift from C. albicans to non-C, albicans. Therefore, a detailed investigation on the contributing factors and appropria.e.treatment of invasive candidosis is needed.

关键词： preva.e.ce Candida species invasive candidosis nosocomial etiology MALDI-TOF mass-spectrometry candidemia

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