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Previous issue date: 2012-03-09 / CNPq / A utilização crônica de imunossupressores por transplantados de órgãos sólidos predispõe ao desenvolvimento de micoses com respostas terapêuticas variadas. Os objetivos deste trabalho foram determinar a prevalência de dermatomicoses em transplantados de rim, fígado e coração e avaliar o perfil de sensibilidade antifúngica dos isolados clínicos. A identificação dos agentes etiológicos foi realizada de acordo com as características morfofisiológicas. Testes de sensibilidade antifúngica in vitro foram executados de acordo com os protocolos M27-A3 e M38-A2 do Clinical Laboratory and Standards Institute utilizando cetoconazol, itraconazol, fluconazol e ciclopirox olamina. Do total de 530 transplantados de órgãos sólidos avaliados foram obtidas 176 amostras clínicas de 156 pacientes, das quais 130 apresentaram ao exame direto estruturas fúngicas sendo isolados 93 agentes etiológicos, destacando-se espécies de Candida. As dermatomicoses (130) foram representadas por onicomicose (71), pitiríase versicolor (43), dermatofitose (13) e levedurose interdígito-plantar (3). Os oito isolados de Fusarium solani exibiram resistência a todas as drogas testadas e entre as espécies de Candida, quatro cepas de C. tropicalis apresentaram resistência ao itraconazol. Transplantados de órgãos sólidos são vulneráveis a dermatomicoses e o tratamento eficaz requer orientação do antifungigrama. / The chronic use of immunosuppressors in solid organ transplant recipients predisposes them to the development of mycoses with different therapeutic responses. Our objectives were to determine the prevalence of fungal infections in renal, liver and heart liver transplant recipients and evaluate the antifungal susceptibility profile of clinical isolates. The identification of etiological agents was performed according to morphophysiological characteristics. In vitro susceptibility testing was performed according to the protocols M27-A3 and M38-A2 standardized by the Clinical Laboratory and Standards Institute using ketoconazole, itraconazole, fluconazole and ciclopirox olamine. A total of 530 patients were assessed and 176 clinical samples were obtained from 156 transplant recipients with suspicious lesions. Fungal structures were observed in 122 clinical specimens and 91 etiologic agents were obtained in culture, especially Candida species. The dermatomycosis (122) were represented by onychomycosis (64), pityriasis versicolor (42), dermatophytosis (13) and toe web intertrigo (3). The eight isolates of Fusarium solani exhibited resistance to all drugs tested and among Candida species, four C. tropicalis strains presented resistance to itraconazole. Solid organ transplant recipients are prone to dermatomycosis and effective treatment requires in vitro antifungal susceptibility testing orientation.
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.ufpe.br:123456789/25582 |
| Date | 09 March 2012 |
| Creators | SÁ, Nadyr Pedi de Souza Flor e |
| Contributors | http://lattes.cnpq.br/0360951033804105, NEVES, Rejane Pereira |
| Publisher | Universidade Federal de Pernambuco, Programa de Pos Graduacao em Biologia de Fungos, UFPE, Brasil |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Source | reponame:Repositório Institucional da UFPE, instname:Universidade Federal de Pernambuco, instacron:UFPE |
| Rights | Attribution-NonCommercial-NoDerivs 3.0 Brazil, http://creativecommons.org/licenses/by-nc-nd/3.0/br/, info:eu-repo/semantics/embargoedAccess |
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