Background:Onychomycosis of the fingernails and toenails is generally caused by dermatophytes and yeasts. Toenail mycoses involve mainly dermatophytes but when Candida is also involved, the strain most commonly isolated worldwide is C. albicans.Aims:To determine Candida strains prevailing in onychomycosis.Materials and Methods:A retrospective, observational and descriptive study of fungal cultures retrieved from the registry of the microbiology laboratory of the Pontificia Universidad Católica was performed. Specimens obtained from patients attending the healthcare network between December 2007 and December 2010 was analyzed.Statistical Analysis:A descriptive statistical analysis was performed.Results:Candida was retrieved from 467 of 8443 specimens (52% fingernails and 48% toenails). Cultures were negative in 5320 specimens (63.6%). Among Candida-positive cultures, parapsilosis was the most commonly isolated strain with 202 cases (43.3%). While isolates of Candida guillermondii were 113 (24.2%), those of Candida albicans were 110 (23.6%), those of spp. were 20 (4.3%) and there were 22 cases of other isolates (4.71%). Among the 467 patients with positive cultures for Candida, 136 (29,1%) were men and 331 (70,9%) were women. All patients were older than 18 years old. Clinical files were available for only 169 of the 467 patients with positive cultures for Candida. For those, age, gender, underlying illnesses and use of immunossupresive agents during the trial was reviewed.Conclusions:The present study shows that both C. parapsilosis as well as C. guillermondii appear as emerging pathogens that would be in fact taking the place of C. albicans as the most commonly isolated pathogen in patients with Candida onychomycosis. The relative percentage of C parapsilosis increases every year. Identification of Candida strains as etiological agents of nail candidiasis becomes relevant to the management both nail as well as systemic candidiasis, in view of the resistance to conventional treatments readily reported in the literature.

Introducción y objetivos: Si bien los cardiólogos asisten cotidianamente a pacientes que sufren daño por el tabaquismo, no se conoce el grado de formación que reciben sobre esta problemática durante su residencia. Debido a ello nos propusimos evaluar las preferencias y prácticas de los residentes de cardiología para la cesación tabáquica de los pacientes que asisten. Materiales y métodos: Encuesta cerrada, prefijada, voluntaria y anónima entre médicos que realizaban la especialidad de cardiología en cinco países de Latinoamérica y España. Resultados:

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Introduction and objectives:Although cardiologists frequently assist patients who suffer damage from smoking, the degree of training they receive to manage this problem during their residency is unknown. Because of this, we'd proposed to evaluate the preferences and practices of cardiology residents for smoking cessation of the attending patients. Materials and methods: Closed, prefixed, voluntary and anonymous survey among doctors who carried out the specialty of cardiology in 5 countries of Latin America and Spain.