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  • Title: Changes in the epidemiological landscape of invasive mould infections and disease.
    Author: Lass-Flörl C, Cuenca-Estrella M.
    Journal: J Antimicrob Chemother; 2017 Mar 01; 72(suppl_1):i5-i11. PubMed ID: 28355462.
    Abstract:
    Although a wide variety of pathogens are associated with invasive mould diseases, Aspergillus spp. have historically been one of the most common causative organisms. Most invasive mould infections are caused by members of the Aspergillus fumigatus species complex and an emerging issue is the occurrence of azole resistance in A. fumigatus, with resistance to amphotericin B documented in other Aspergillus spp. The epidemiology of invasive fungal disease has shifted in recent years as non-A. fumigatus Aspergillus spp. and other moulds have become progressively more important, although there are no consolidated data on the prevalence of less common species of moulds. The incidence of mucormycosis may have been underestimated, which is a potential concern since species belonging to the order Mucorales are more resistant to antifungal agents than Aspergillus spp. All species of Mucorales are unaffected by voriconazole and most show moderate resistance in vitro to echinocandins. Fusarium spp. may be the second most common nosocomial fungal pathogen after Aspergillus in some tertiary hospitals, and show a susceptibility profile marked by a higher level of resistance than that of Aspergillus spp. Recently, Scedosporium aurantiacum has been reported as an emerging opportunistic pathogen, against which voriconazole is the most active antifungal agent. Other mould species can infect humans, although invasive fungal disease occurs less frequently. Since uncommon mould species exhibit individual susceptibility profiles and require tailored clinical management, accurate classification at species level of the aetiological agent in any invasive fungal disease should be regarded as the standard of care.
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