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      Fungal co-infection in COVID-19 patients: should we be concerned?

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          Abstract

          Critically ill COVID-19 patients have higher pro-inflammatory (IL-1, IL-2, IL-6, tumor necrosis alpha) and anti-inflammatory (IL-4, IL-10) cytokine levels, less CD 4 interferon-gamma expression, and fewer CD 4 and CD 8 cells. This severe clinical situation increases the risk of serious fungal infections, such as invasive pulmonary aspergillosis, invasive candidiasis or Pneumocystis jirovecii pneumonia. However, few studies have investigated fungal coinfections in this population. We describe an update on published reports on fungal coinfections and our personal experience in three Spanish hospitals. We can conclude that despite the serious disease caused by SARS-CoV-2 in many patients, the scarcity of invasive mycoses is probably due to the few bronchoscopies and necropsies performed in these patients because of the high risk in aerosol generation. However, the presence of fungal markers in clinically relevant specimens, with the exception of bronchopulmonary colonization by Candida, should make it advisable to early implement antifungal therapy.

          Translated abstract

          Los pacientes gravemente enfermos con COVID-19 presentan concentraciones más elevadas de citoquinas pro-inflamatorias (IL-1, IL-2, IL-6, factor de necrosis tumoral alfa) y anti-inflamatorias (IL-4, IL-10), menor expresión de interferón-gama y un número más bajo de células CD 4 y CD 8. Esta grave situación clínica aumenta el riesgo de padecer coinfecciones fúngicas, como la aspergilosis pulmonar invasora, la candidiasis invasora o la neumonía por Pneumocystis jirovecii. Sin embargo, pocos estudios han investigado las coinfecciones fúngicas en esta población. En esta revisión, describimos una actualización de las publicaciones sobre coinfecciones fúngicas en esta población de pacientes y nuestra experiencia personal en tres hospitales españoles. Podemos concluir que a pesar de la grave enfermedad causada por el SARS-CoV-2 en muchos pacientes, la baja frecuencia de micosis invasoras se debe probablemente a las pocas broncoscopias y necropsias realizadas en estos pacientes debido al alto riesgo de producción de aerosoles. Sin embargo, la presencia de marcadores fúngicos en muestras clínicas relevantes, con la excepción de la colonización broncopulmonar por Candida, debería aconsejar la instauración precoz de una terapia antifúngica.

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          Author and article information

          Journal
          Rev Iberoam Micol
          Rev Iberoam Micol
          Revista Iberoamericana De Micologia
          Asociación Española de Micología. Published by Elsevier España, S.L.U.
          1130-1406
          2173-9188
          14 September 2020
          14 September 2020
          Affiliations
          [a ]Servicio de Microbiología, Hospital Universitario y Politécnico La Fe, Valencia
          [b ]Instituto de Investigación Sanitaria La Fe, Valencia
          [c ]Servicio de Enfermedades Infecciosas, Hospital Clinic, Barcelona
          [d ]Unidad de Enfermedades Infecciosas, Hospital Universitario y Politécnico La Fe, Valencia
          [e ]Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia
          [f ]Servicio de Medicina Interna, Consorci Hospital General Universitari, Valencia
          [g ]Laboratorio de Referencia e Investigación en Micología, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Majadahonda, Madrid
          [h ]Departamento de Inmunología, Microbiología y Parasitología, Facultad de medicina y Enfermería, Universidad del País Vasco / Euskal Herriko Unibertsitatea (UPV/EHU)
          Author notes
          [* ]Corresponding author.
          Article
          S1130-1406(20)30031-0
          10.1016/j.riam.2020.07.001
          7489924
          33041191
          33952654-c17e-42cc-b2a2-8a0b643246c8
          © 2020 Asociación Española de Micología. Published by Elsevier España, S.L.U. All rights reserved.

          Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

          History
          : 17 July 2020
          : 27 July 2020
          Categories
          Mycologic Forum

          covid-19,sars-cov-2,fungal coinfection,aspergillosis,candidiasis,pneumocystosis,invasive mycoses,coinfección fúngica,aspergilosis,neumocistosis,micosis invasiva

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