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Assessment of azole resistance in clinical settings by passive sampling

dc.contributor.authorAranha Caetano, Liliana
dc.contributor.authorAlmeida, Beatriz
dc.contributor.authorViegas, Carla
dc.date.accessioned2019-07-17T14:08:58Z
dc.date.available2019-07-17T14:08:58Z
dc.date.issued2019-06
dc.descriptionProject EXPOsE, nº 23222 (02/SAICT/2016)pt_PT
dc.description.abstractThe exposure to the fungal burden is an increased risk factor for the development of respiratory symptoms and fungal diseases. The emergence worldwide of azole resistance in fungal species is a major concern for public health. Clinical settings must provide a clean and safe environment to protect patients and staff from fungal diseases. The aim of this study was to assess the fungal burden and prevalence of azole resistance in clinical settings in Portugal using passive sampling methods. Ten Primary Health Care Centers were evaluated through passive sampling, including electrostatic dust cloths, heating ventilation, and air conditioning filters, and settled dust. All samples were plated onto Sabouraud dextrose agar media and screened for azole resistance using agar media supplemented with itraconazole, voriconazole and posaconazole through incubation at 27 °C, for 5 days. Fungal species were identified based on macro and micromorphology. Fungal load ranged from 348 to 424628 CFU·m−2 in EDC, 0 to 56500 CFU·m−2 in HVAC filter, and 2 to 514 CFU·g−1 in settled dust. EDC samples presented the highest fungal loads and wider diversity. Azole resistance was observed in all Primary Health Care Centers. Multi-azole resistance (fungal growth in two or more azoles) was observed in 90% units for Penicillium sp., C. sitophila, and Cladosporium sp. None of the samples containing Aspergillus sp. colonies presented resistance to the tested azoles. The knowledge of the fungal burden and prevalence of resistance to azole-based antifungal drugs in clinical environments will allow a better risk characterization regarding fungal burden.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCaetano LA, Almeida B, Viegas C. Assessment of azole resistance in clinical settings by passive sampling. In: Cotrim T, Serranheira F, Sousa P, Hignett S, Albolino S, Tartaglia R, editors. Health and social care systems of the future: demographic changes, digital age and human factors – HEPS 2019: advances in intelligent systems and computing (Vol. 1012). Cham: Springer; 2019. p. 248-56.pt_PT
dc.identifier.doi10.1007/978-3-030-24067-7_29pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.21/10310
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationProject EXPOsE, nº 23222 (02/SAICT/2016)pt_PT
dc.relation.publisherversionhttps://link.springer.com/chapter/10.1007/978-3-030-24067-7_29pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectAzole resistancept_PT
dc.subjectClinical environmentpt_PT
dc.subjectPassive samplingpt_PT
dc.subjectProject nº 23222 (02/SAICT/2016)pt_PT
dc.subjectProject EXPOsEpt_PT
dc.titleAssessment of azole resistance in clinical settings by passive samplingpt_PT
dc.typebook part
dspace.entity.typePublication
oaire.citation.endPage256pt_PT
oaire.citation.startPage248pt_PT
oaire.citation.volume1012pt_PT
person.familyNameAranha Caetano
person.familyNameViegas
person.givenNameLiliana
person.givenNameCarla
person.identifier.ciencia-id9716-9DAC-532A
person.identifier.ciencia-idEE1E-C639-D70F
person.identifier.orcid0000-0003-1496-2609
person.identifier.orcid0000-0002-1545-6479
person.identifier.ridB-7217-2013
person.identifier.scopus-author-id55443609700
rcaap.rightsrestrictedAccesspt_PT
rcaap.typebookPartpt_PT
relation.isAuthorOfPublication6517c656-f913-4f54-8682-77c2856c9e4c
relation.isAuthorOfPublicationb5fa5da4-50c3-4b88-ae20-1bc63cb485f7
relation.isAuthorOfPublication.latestForDiscoveryb5fa5da4-50c3-4b88-ae20-1bc63cb485f7

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