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COLONIZED PATIENTS BY CANDIDA AURIS: THIRD AND LARGEST OUTBREAK IN BRAZIL AND IMPACT OF BIOFILM FORMATION
Autor
Afiliación
Departamento de Saúde do Estado de Pernambuco. Hospital da Restauração. Recife, PE, Brasil / Universidade Federal de Pernambuco. Centro de Ciências Médicas. Programa de Pós-Graduação em Medicina Tropical. Recife, PE, Brasil.
Universidade de Pernambuco. Programa de Pós-Graduação em Biologia Fúngica. Recife, PE, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ, Brasil.
Universidade Federal de Pernambuco. Centro de Ciências Médicas. Programa de Pós-Graduação em Medicina Tropical. Recife, PE, Brasil / Universidade de Pernambuco. Programa de Pós-Graduação em Biologia Fúngica. Recife, PE, Brasil.
Universidade de Pernambuco. Programa de Pós-Graduação em Biologia Fúngica. Recife, PE, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ, Brasil.
Universidade Federal de Pernambuco. Centro de Ciências Médicas. Programa de Pós-Graduação em Medicina Tropical. Recife, PE, Brasil / Universidade de Pernambuco. Programa de Pós-Graduação em Biologia Fúngica. Recife, PE, Brasil.
Resumen en ingles
Objective: To describe the clinical–epidemiological features of patients colonized
by Candida auris in the largest outbreak in Brazil and to show the biofilm formation
capacity of yeast strains.
Methods: Clinical yeasts suspected of C. auris isolated from urine and surveillance
samples were seeded on chromogenic media at 30°C and Sabouraud agar at 42°C.
matrix-assisted laser desorption/ionization–time of flight mass spectometry was
used for reliable identification. After proteomic confirmation, the genomic
approach and culture on Chromagar Candida Plus media were carried out.
Biofilm formation was investigated based on metabolic activity, and the clinical–
epidemiological profile of patients was described.
Results: A total of 11 C. auris clinical yeasts from nine patients were identified
between the end of December 2021 and March 2022. Two clinical yeasts were
isolates from urine and nine clinical yeasts were isolates from axillary and inguinal
surveillance swabs. No case is related to previous Severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) infection. However, all the yeasts
showed a high ability of biofilm formation.
Conclusion: C. auris requires great vigilance as its high capacity to colonize and
form biofilms contributes to its dissemination. The rapid and precise identification
of this species is essential for the management, control, and prevention of
infections.
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