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Revista Iberoamericana de Micología

Jesus Fortún, Francesca Gioia, Patricia Muñoz, Javier Graus, Elia Gómez-García de la Pedrosa, Pilar Martín-Dávila, Ana Saiz, Antonio Vena, Santiago Moreno
BACKGROUND: T2 magnetic resonance imaging (T2MR) is a new method for the diagnosis of invasive candidiasis, although most studies have analyzed its role in patients with candidemia or not infection. CASE REPORT: We present the case of a patient with arteritis and thrombosis of the hepatic graft resulted from an undocumented fungal infection in the explanted liver.T2MR in serum was a suitable diagnostic tool for the diagnosis of the deep-seated invasive candidiasis in the absence of candidemia or the isolation of the yeast in culture...
July 2018: Revista Iberoamericana de Micología
Carlos Ruiz de Alegría Puig, Jesús Agüero-Balbín, Carlos Fernández-Mazarrasa, Luis Martínez-Martínez
BACKGROUND: Matrix-assisted laser desorption-time of flight mass spectrometry (MALDI-TOF-MS) represents a revolution in the identification of microorganisms of clinical interest. Many studies have confirmed the accuracy and fastness of this tool with routine strains. AIMS: To identify clinical isolates of Candida from patients diagnosed with candidemia. METHODS: Vitek-MS™ system was used with a collection of 298 blood isolates of the genus Candida represented by 9 different species...
July 2018: Revista Iberoamericana de Micología
Marc Xipell, Ricardo Arturo Losno, Carolina Garcia-Vidal, Montserrat Rovira, Izaskun Alejo-Cancho, Jorge Puig de la Bellacasa, Miriam López, Celia Cardozo, Marta Bodro, Josep Mensa, Alex Soriano
BACKGROUND: The most common presentation of mucormycosis in the past was the nasosinusal involvement in patients with diabetic ketoacidosis. However, in the last few years, new groups of patients with risk of mucormycosis have emerged. AIMS AND METHODS: Retrospective analysis of the characteristics, treatment and evolution of patients with mucormycosis in a tertiary hospital in the years 2012-2016. RESULTS: Of the 12 patients included in the study, 7 had a haematological disease as a predisposing factor, most of them (6 patients) related to transplantation of haematopoietic progenitors...
July 2018: Revista Iberoamericana de Micología
Ana Miqueleiz Zapatero, Cristina Hernando, Josefa Barba, Buenaventura Buendía
BACKGROUND: Dematiaceous fungal genus Curvularia is a causal agent of keratitis, onychomycosis, and skin infections. In 2014, using DNA sequencing techniques, five new species, including Curvularia hominis, were described. In this article, a report is presented on the first clinical case of C.hominis infection in Spain. It concerns a corneal ulcer caused by this recently described species. CASE REPORT: A 46 year-old male patient with a corneal ulcer in his left eye went to the Emergency Department...
July 2018: Revista Iberoamericana de Micología
M José González-Abad, Mercedes Alonso Sanz
No abstract text is available yet for this article.
July 2018: Revista Iberoamericana de Micología
Cristian Anacona, Fabiola E González C, Luis Reinel Vásquez-A, Patricia Escandón
BACKGROUND: Cryptococcosis is a systemic opportunistic mycosis, caused by Cryptococcus neoformans and Cryptococcus gattii, which affects mainly the central nervous system of immunocompromised patients; no reports have been made on the isolation of the fungus from the environment of Popayán, Colombia. AIMS: The main objective of this investigation was to determinate the incidence of C. neoformans in the urban perimeter in the City of Popayán, Colombia. METHODS: A total of 303 samples from droppings of Columba livia and Bubulcus ibis were collected between September 2012 and June 2013...
July 2018: Revista Iberoamericana de Micología
Marianna Małek, Bożena Bogusz, Paulina Mrowiec, Mariusz Szuta, Maciej Opach, Iwona Skiba-Kurek, Paweł Nowak, Karolina Klesiewicz, Alicja Budak, Elżbieta Karczewska
BACKGROUND: Fungal rhinosinusitis has become an increasingly recognized disease, being Aspergillus species responsible for most of the cases. Its diagnosis is quite difficult because of the non-specific symptoms and low sensitivity of the current diagnostic methods. AIMS: An Aspergillus-specific nested polymerase chain reaction (PCR) assay using biopsy specimens taken from the maxillary sinuses was performed in order to assess its usefulness. Conventional diagnostic methods (histology and culture) were also carried out...
July 2018: Revista Iberoamericana de Micología
Janire De-La-Torre, Guillermo Quindós, Cristina Marcos-Arias, Xabier Marichalar-Mendia, María Luisa Gainza, Elena Eraso, Amelia Acha-Sagredo, José Manuel Aguirre-Urizar
BACKGROUND: Candida can be implicated in the pathology of chronic periodontitis. AIMS: To analyze the oral Candida carriage in patients suffering from chronic periodontitis (CP) and its correlation with the severity of this condition. METHODS: Microbiological samples were taken from 155 patients using the oral rinse (OR) technique and by using paper points in the periodontal pockets (GPP). These patients were divided into 3 groups: 89 patients without CP (control), 47 with moderate CP, and 19 with severe CP...
July 2018: Revista Iberoamericana de Micología
Ivana Maldonado, Silvana Cataldi, Claudia Garbasz, Silvia Relloso, Pablo Striebeck, Liliana Guelfand, Laura López Moral
BACKGROUND: Invasive fungal infections are increasing, and Candida yeasts are the main cause. Species other than Candida albicans are becoming more frequent, and some of them may have variable patterns of susceptibility to antifungal agents, making it important to identify them correctly. Conventional identification methods used by most laboratories may present with drawbacks. Mass spectrometry (MALDI-TOF MS) has emerged as an alternative method. AIMS: The aim of this study was to evaluate the concordance of the identification, at species level, by conventional methods (API) and MALDI-TOF MS...
July 2018: Revista Iberoamericana de Micología
Rosa Belén Mohedano Del Pozo, Margarita Rubio Alonso, Mª Soledad Cuétara García
BACKGROUND: The role of culture-independent techniques (galactomannan, (1-3)-β-d-glucan) in the early diagnosis of invasive fungal diseases (IFD) is well assessed in hematological patients, but there are no clear conclusions in patients with chronic obstructive pulmonary disease (COPD). AIMS: To study the usefulness of nonculture-based techniques in the diagnosis of IFD in COPD-patients at risk for IFD. METHODS: A prospective observational study based on monitoring COPD patients at risk for IFD during 2007-2010 was carried out...
July 2018: Revista Iberoamericana de Micología
Susan Maria, Gaurav Barnwal, Anil Kumar, Karthika Mohan, Vivek Vinod, Aswathi Varghese, Raja Biswas
BACKGROUND: Candida parapsilosis is recognized as a species complex: Candida parapsilosis sensu stricto, Candida orthopsilosis and Candida metapsilosis are three distinct but closely related species. AIMS: To determine the species and antifungal susceptibility of members of the C. parapsilosis complex, isolated from clinical samples. METHODS: Isolates identified as C. parapsilosis complex by VITEK® 2 system were included. Antifungal susceptibility test was done using the VITEK® 2 semi-automated system...
July 2018: Revista Iberoamericana de Micología
Berta Pino-Calm, Diego García Martínez de Artola, Helena Gil-Campesino, Julia Alcoba-Flórez
No abstract text is available yet for this article.
July 2018: Revista Iberoamericana de Micología
María Virginia Ozcariz-Fermoselle, Raúl Fraile-Fabero, Tomás Girbés-Juan, Oscar Arce-Cervantes, Juan Andrés Oria de Rueda-Salgueiro, Anabela Marisa Azul
BACKGROUND: The wastes of pecan nut (Carya illinoinensis (Wangenh.) K. Koch) production are increasing worldwide and have high concentrations of tannins and phenols. AIMS: To study the biodegradation of lignocellulosic wastes of pecan used as solid substrate for the cultivation of the white-rot fungus Ganoderma lucidum (Curtis) P. Karst. METHODS: Six formulations of pecan wastes were used as solid substrate: pecan shells (PS100), pecan pericarp (PP100), pecan wood-chips (PB100), and the combinations PS50+PP50, PB50+PS50 and PB50+PP50...
April 2018: Revista Iberoamericana de Micología
José Luis Barrios Andrés, Leyre Mónica López-Soria, Ana Alastruey Izquierdo, Jaime Echevarría Ecenarro, Raquel Feijoó Lera, Jesus Garrido Fierro, Francisco Javier Cabrerizo Nuñez, Andrés Canut Blasco
BACKGROUND: Although fortunately very rare in countries with a temperate climate, certain factors, such as clinical or pharmacological immunosuppression, may cause Fusarium-related fungal infections to become an emerging problem. Moreover, Fusarium is one of the most important etiological agents in exogenous endophthalmitis, which is often favored by the disruption of the epithelial barriers. AIMS: The aim of this series of clinical cases is to identify characteristic clinical findings that may allow an early diagnosis and more efficient management of this ophthalmologic emergency...
April 2018: Revista Iberoamericana de Micología
Laura Theill, Catiana Dudiuk, Soraya Morales-Lopez, Indira Berrio, José Yesid Rodríguez, Adriana Marin, Soledad Gamarra, Guillermo Garcia-Effron
BACKGROUND: Candida auris and Candida haemulonii are emerging and multiresistant pathogens. C. auris has produced hospital outbreaks and is misidentified by phenotypic-based methods. The only reliable identification methods are DNA sequencing and MALDI-TOF. AIMS: To develop a classical-PCR method capable of rapidly and accurately identify C. auris and C. haemulonii. METHODS: A multiplex PCR was carried out in one tube that included an internal control and oligonucleotides that specifically hybridize to the ITS2 region of C...
April 2018: Revista Iberoamericana de Micología
Saeid Amanloo, Masoomeh Shams-Ghahfarokhi, Mohammad Ghahri, Mehdi Razzaghi-Abyaneh
BACKGROUND: Candida glabrata is a yeast that can cause hazardous fungal infections with high mortality and drug resistance. AIMS: The aim of this study was to determine the profile of drug susceptibility in clinical isolates of C. glabrata and review the resistance mechanisms to caspofungin. METHODS: A total of 50 C. glabrata clinical isolates from Iran were tested for in vitro susceptibilities to amphotericin B, caspofungin, fluconazole and voriconazole...
April 2018: Revista Iberoamericana de Micología
Iker Falces-Romero, Inmaculada Quiles-Melero, Julio García-Rodríguez
No abstract text is available yet for this article.
April 2018: Revista Iberoamericana de Micología
Mariana Mazza, Nicolás Refojo, Graciela Davel, Nelson Lima, Nicolina Dias, Cosme Marcelo Furtado Passos da Silva, Cristina Elena Canteros
BACKGROUND: No reliable data are available in the province of Buenos Aires regarding the frequency of dermatophytoses and other fungal diseases. The distribution of the clinical forms and the species involved are also unknown. AIMS: To present the data collected by the laboratories participating in the Mycology Network of the province of Buenos Aires (MNPBA) from a retrospective epidemiological survey on dermatophytoses. METHODS: A descriptive and exploratory analysis was performed on the cases of dermatophytoses gathered between 2002 and 2007 by the Mycology Network of the province of Buenos Aires...
April 2018: Revista Iberoamericana de Micología
Felipe F B Tuon, Khaiany Lino Florencio, Clóvis Arns da Cunha, Jaime Luis Lopes Rocha
BACKGROUND: Posaconazole is used for the prophylaxis of invasive fungal disease (IFD). Previous studies have shown it to be cost-effective compared to fluconazole/itraconazole. However, posaconazole has never been economically evaluated in developing countries. AIMS: The aim of the present study was to perform a cost-effectiveness analysis of posaconazole compared to fluconazole in public (SUS) and private hospitals (PHS) in Brazil. METHODS: A cost-effectiveness simulation was conducted on the basis of a pivotal study on the use of posaconazole in acute myeloid leukemia (AML) patients, adjusting the costs to Brazilian data...
April 2018: Revista Iberoamericana de Micología
Angel Bernal-Treviño, Ana María González-Amaro, Verónica Méndez González, Amaury Pozos-Guillen
BACKGROUND: Microbiological identification in endodontic infections has focused mainly on bacteria without giving much attention to yeasts, which, due to their virulence factors, can affect the outcomes of root canal treatment. AIMS: To determine the frequency of Candida in anaerobic conditions in root canals with primary and persistent endodontic infection, as well as to evaluate a microbiological sampling method using aspiration compared to the traditional absorption method with paper points...
April 2018: Revista Iberoamericana de Micología
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